diff --git a/python/sglang/srt/constrained/__init__.py b/python/sglang/srt/constrained/__init__.py
index b6d5a7358..7e097c6fc 100644
--- a/python/sglang/srt/constrained/__init__.py
+++ b/python/sglang/srt/constrained/__init__.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 import json
 from typing import Dict, Optional, Union
 
diff --git a/python/sglang/srt/constrained/base_cache.py b/python/sglang/srt/constrained/base_cache.py
index 19139d97a..7d6b20469 100644
--- a/python/sglang/srt/constrained/base_cache.py
+++ b/python/sglang/srt/constrained/base_cache.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Base cache class."""
 
 import time
diff --git a/python/sglang/srt/constrained/fsm_cache.py b/python/sglang/srt/constrained/fsm_cache.py
index 8c522c036..db0344275 100644
--- a/python/sglang/srt/constrained/fsm_cache.py
+++ b/python/sglang/srt/constrained/fsm_cache.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Cache for the compressed finite state machine."""
 
 from sglang.srt.constrained import RegexGuide, TransformerTokenizer
diff --git a/python/sglang/srt/constrained/jump_forward.py b/python/sglang/srt/constrained/jump_forward.py
index a2375e172..30c316a84 100644
--- a/python/sglang/srt/constrained/jump_forward.py
+++ b/python/sglang/srt/constrained/jump_forward.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 Faster constrained decoding.
 Reference: https://lmsys.org/blog/2024-02-05-compressed-fsm/
diff --git a/python/sglang/srt/conversation.py b/python/sglang/srt/conversation.py
index c0f95b5d0..e005eee5f 100644
--- a/python/sglang/srt/conversation.py
+++ b/python/sglang/srt/conversation.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Conversation templates."""
 
 # Adapted from
diff --git a/python/sglang/srt/flush_cache.py b/python/sglang/srt/flush_cache.py
index 575ba9600..4ef3ab1d3 100644
--- a/python/sglang/srt/flush_cache.py
+++ b/python/sglang/srt/flush_cache.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 Flush the KV cache.
 
diff --git a/python/sglang/srt/hf_transformers_utils.py b/python/sglang/srt/hf_transformers_utils.py
index 224b1396b..9f681fe88 100644
--- a/python/sglang/srt/hf_transformers_utils.py
+++ b/python/sglang/srt/hf_transformers_utils.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Utilities for Huggingface Transformers."""
 
 import functools
diff --git a/python/sglang/srt/layers/context_flashattention_nopad.py b/python/sglang/srt/layers/context_flashattention_nopad.py
index ee1227dbd..a2dc2ff31 100644
--- a/python/sglang/srt/layers/context_flashattention_nopad.py
+++ b/python/sglang/srt/layers/context_flashattention_nopad.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/ModelTC/lightllm/blob/f2a54f0912293f683bf1d1695fd12c4098a5bf82/lightllm/models/llama/triton_kernel/context_flashattention_nopad.py#L1
 import torch
diff --git a/python/sglang/srt/layers/extend_attention.py b/python/sglang/srt/layers/extend_attention.py
index 833c6b118..ca6f86cea 100644
--- a/python/sglang/srt/layers/extend_attention.py
+++ b/python/sglang/srt/layers/extend_attention.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 import torch
 import triton
 import triton.language as tl
diff --git a/python/sglang/srt/layers/fused_moe.py b/python/sglang/srt/layers/fused_moe.py
index 7dddabb05..c5630fa5d 100644
--- a/python/sglang/srt/layers/fused_moe.py
+++ b/python/sglang/srt/layers/fused_moe.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/layers/fused_moe/fused_moe.py#L1
 """Fused MoE kernel."""
diff --git a/python/sglang/srt/layers/linear.py b/python/sglang/srt/layers/linear.py
index 72677bbd5..fb8891cb2 100644
--- a/python/sglang/srt/layers/linear.py
+++ b/python/sglang/srt/layers/linear.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # temporarily adapted from https://github.com/vllm-project/vllm/blob/e76466dde2bc9525d55165ceaa600d298c7bf773/vllm/model_executor/layers/linear.py
 # FIXME: refactor the linear abstraction
 from abc import abstractmethod
diff --git a/python/sglang/srt/layers/logits_processor.py b/python/sglang/srt/layers/logits_processor.py
index aad52403a..d3aa2469a 100644
--- a/python/sglang/srt/layers/logits_processor.py
+++ b/python/sglang/srt/layers/logits_processor.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Logits processing."""
 
 import dataclasses
diff --git a/python/sglang/srt/layers/quantization/__init__.py b/python/sglang/srt/layers/quantization/__init__.py
index cbfdcc476..564a696b0 100644
--- a/python/sglang/srt/layers/quantization/__init__.py
+++ b/python/sglang/srt/layers/quantization/__init__.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # temporarily adapted from vLLM
 # FIXME: in progress of refactoring the model loader
 
diff --git a/python/sglang/srt/layers/quantization/fp8.py b/python/sglang/srt/layers/quantization/fp8.py
index 79ae531a5..12378d506 100644
--- a/python/sglang/srt/layers/quantization/fp8.py
+++ b/python/sglang/srt/layers/quantization/fp8.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # adapted from https://github.com/vllm-project/vllm/blob/e76466dde2bc9525d55165ceaa600d298c7bf773/vllm/model_executor/layers/quantization/fp8.py
 # FIXME refactor in progress
 from typing import Any, Dict, List, Optional, Union
diff --git a/python/sglang/srt/layers/radix_attention.py b/python/sglang/srt/layers/radix_attention.py
index 7c26657aa..fb95106be 100644
--- a/python/sglang/srt/layers/radix_attention.py
+++ b/python/sglang/srt/layers/radix_attention.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Radix attention."""
 
 import torch
diff --git a/python/sglang/srt/layers/token_attention.py b/python/sglang/srt/layers/token_attention.py
index 3d069775f..565e1359f 100644
--- a/python/sglang/srt/layers/token_attention.py
+++ b/python/sglang/srt/layers/token_attention.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/ModelTC/lightllm/blob/f2a54f0912293f683bf1d1695fd12c4098a5bf82/lightllm/models/llama/triton_kernel/token_attention_nopad_att1.py
 # https://github.com/ModelTC/lightllm/blob/f2a54f0912293f683bf1d1695fd12c4098a5bf82/lightllm/models/llama/triton_kernel/token_attention_softmax_and_reducev.py
diff --git a/python/sglang/srt/managers/controller/cuda_graph_runner.py b/python/sglang/srt/managers/controller/cuda_graph_runner.py
index b795c853e..7d59eeef5 100644
--- a/python/sglang/srt/managers/controller/cuda_graph_runner.py
+++ b/python/sglang/srt/managers/controller/cuda_graph_runner.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Run the model with cuda graph."""
 
 import bisect
diff --git a/python/sglang/srt/managers/controller/infer_batch.py b/python/sglang/srt/managers/controller/infer_batch.py
index 006490a38..9f619ed64 100644
--- a/python/sglang/srt/managers/controller/infer_batch.py
+++ b/python/sglang/srt/managers/controller/infer_batch.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Meta data for requests and batches"""
 
 import warnings
diff --git a/python/sglang/srt/managers/controller/manager_multi.py b/python/sglang/srt/managers/controller/manager_multi.py
index f24cbc116..f22847248 100644
--- a/python/sglang/srt/managers/controller/manager_multi.py
+++ b/python/sglang/srt/managers/controller/manager_multi.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 A controller that manages multiple data parallel workers.
 Each data parallel worker can manage multiple tensor parallel workers.
diff --git a/python/sglang/srt/managers/controller/manager_single.py b/python/sglang/srt/managers/controller/manager_single.py
index e9eff6876..67009dc44 100644
--- a/python/sglang/srt/managers/controller/manager_single.py
+++ b/python/sglang/srt/managers/controller/manager_single.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """A controller that manages a group of tensor parallel workers."""
 
 import logging
diff --git a/python/sglang/srt/managers/controller/model_runner.py b/python/sglang/srt/managers/controller/model_runner.py
index 219f2f692..4ae62dfee 100644
--- a/python/sglang/srt/managers/controller/model_runner.py
+++ b/python/sglang/srt/managers/controller/model_runner.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """ModelRunner runs the forward passes of the models."""
 
 import importlib
diff --git a/python/sglang/srt/managers/controller/radix_cache.py b/python/sglang/srt/managers/controller/radix_cache.py
index c06f52f47..8cff4e114 100644
--- a/python/sglang/srt/managers/controller/radix_cache.py
+++ b/python/sglang/srt/managers/controller/radix_cache.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 The radix tree data structure for managing the KV cache.
 """
diff --git a/python/sglang/srt/managers/controller/schedule_heuristic.py b/python/sglang/srt/managers/controller/schedule_heuristic.py
index ef0c000e6..88620bf99 100644
--- a/python/sglang/srt/managers/controller/schedule_heuristic.py
+++ b/python/sglang/srt/managers/controller/schedule_heuristic.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Request scheduler heuristic."""
 
 import random
diff --git a/python/sglang/srt/managers/controller/tp_worker.py b/python/sglang/srt/managers/controller/tp_worker.py
index 8e0525b07..b84bdc33a 100644
--- a/python/sglang/srt/managers/controller/tp_worker.py
+++ b/python/sglang/srt/managers/controller/tp_worker.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """A tensor parallel worker."""
 
 import logging
diff --git a/python/sglang/srt/managers/detokenizer_manager.py b/python/sglang/srt/managers/detokenizer_manager.py
index ecf493625..b8607482e 100644
--- a/python/sglang/srt/managers/detokenizer_manager.py
+++ b/python/sglang/srt/managers/detokenizer_manager.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """DetokenizerManager is a process that detokenizes the token ids."""
 
 import asyncio
diff --git a/python/sglang/srt/managers/io_struct.py b/python/sglang/srt/managers/io_struct.py
index 95b68d2d6..5698b0264 100644
--- a/python/sglang/srt/managers/io_struct.py
+++ b/python/sglang/srt/managers/io_struct.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 The definition of objects transfered between different
 processes (TokenizerManager, DetokenizerManager, Controller).
diff --git a/python/sglang/srt/managers/tokenizer_manager.py b/python/sglang/srt/managers/tokenizer_manager.py
index 20853a645..6e29aee0b 100644
--- a/python/sglang/srt/managers/tokenizer_manager.py
+++ b/python/sglang/srt/managers/tokenizer_manager.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """TokenizerManager is a process that tokenizes the text."""
 
 import asyncio
diff --git a/python/sglang/srt/memory_pool.py b/python/sglang/srt/memory_pool.py
index f7cc7bec4..d4948b525 100644
--- a/python/sglang/srt/memory_pool.py
+++ b/python/sglang/srt/memory_pool.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Memory pool."""
 
 import logging
diff --git a/python/sglang/srt/mm_utils.py b/python/sglang/srt/mm_utils.py
index d444ff0b7..e09c8215c 100644
--- a/python/sglang/srt/mm_utils.py
+++ b/python/sglang/srt/mm_utils.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Source: https://github.com/haotian-liu/LLaVA/blob/main/llava/mm_utils.py
 import ast
 import base64
diff --git a/python/sglang/srt/model_config.py b/python/sglang/srt/model_config.py
index bcd05113b..8a431b0a1 100644
--- a/python/sglang/srt/model_config.py
+++ b/python/sglang/srt/model_config.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 from typing import Optional
 
 from transformers import PretrainedConfig
diff --git a/python/sglang/srt/model_loader/model_loader.py b/python/sglang/srt/model_loader/model_loader.py
index 719fa9269..4b7e32b6e 100644
--- a/python/sglang/srt/model_loader/model_loader.py
+++ b/python/sglang/srt/model_loader/model_loader.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # temporarily adapted from https://github.com/vllm-project/vllm/blob/10383887e03412196a2689b9398290719c4797bf/vllm/model_executor/model_loader/loader.py
 # FIXME: in progress of refactoring the model loader
 
diff --git a/python/sglang/srt/model_loader/utils.py b/python/sglang/srt/model_loader/utils.py
index fdbf615f2..c1d1b2ff3 100644
--- a/python/sglang/srt/model_loader/utils.py
+++ b/python/sglang/srt/model_loader/utils.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # temporarily adapted from vLLM
 # FIXME: in progress of refactoring the model loader
 """Utilities for selecting and loading models."""
diff --git a/python/sglang/srt/models/chatglm.py b/python/sglang/srt/models/chatglm.py
index 3c6ea4521..9df6e4fd3 100644
--- a/python/sglang/srt/models/chatglm.py
+++ b/python/sglang/srt/models/chatglm.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # coding=utf-8
 # Adapted from
 # https://github.com/THUDM/ChatGLM2-6B
diff --git a/python/sglang/srt/models/commandr.py b/python/sglang/srt/models/commandr.py
index 2757645e1..cc4ce9d4a 100644
--- a/python/sglang/srt/models/commandr.py
+++ b/python/sglang/srt/models/commandr.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # coding=utf-8
 # Copyright 2024 Cohere and the HuggingFace Inc. team. All rights reserved.
 #
diff --git a/python/sglang/srt/models/dbrx.py b/python/sglang/srt/models/dbrx.py
index a6f039217..3104ca7c3 100644
--- a/python/sglang/srt/models/dbrx.py
+++ b/python/sglang/srt/models/dbrx.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/dbrx.py#L1
 # coding=utf-8
diff --git a/python/sglang/srt/models/deepseek.py b/python/sglang/srt/models/deepseek.py
index c266a2ea4..c12b8a09c 100644
--- a/python/sglang/srt/models/deepseek.py
+++ b/python/sglang/srt/models/deepseek.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/14f91fe67c2342f2fe859dc6a5c40810df0e1c61/vllm/model_executor/models/deepseek.py
 """Inference-only Deepseek model."""
diff --git a/python/sglang/srt/models/deepseek_v2.py b/python/sglang/srt/models/deepseek_v2.py
index daa70196d..ae3d06ed0 100644
--- a/python/sglang/srt/models/deepseek_v2.py
+++ b/python/sglang/srt/models/deepseek_v2.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/fb6af8bc086328ca6659e72d11ffd4309ce4de22/vllm/model_executor/models/deepseek_v2.py
 """Inference-only DeepseekV2 model."""
diff --git a/python/sglang/srt/models/gemma.py b/python/sglang/srt/models/gemma.py
index 2281b4c80..aa42ad508 100644
--- a/python/sglang/srt/models/gemma.py
+++ b/python/sglang/srt/models/gemma.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/gemma.py#L1
 """Inference-only Gemma model compatible with HuggingFace weights."""
diff --git a/python/sglang/srt/models/gemma2.py b/python/sglang/srt/models/gemma2.py
index c6c409dee..02f20e705 100644
--- a/python/sglang/srt/models/gemma2.py
+++ b/python/sglang/srt/models/gemma2.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/56b325e977435af744f8b3dca7af0ca209663558/vllm/model_executor/models/gemma2.py
 from typing import Iterable, Optional, Set, Tuple, Union
diff --git a/python/sglang/srt/models/gpt_bigcode.py b/python/sglang/srt/models/gpt_bigcode.py
index 4592d1f60..0ac89f648 100644
--- a/python/sglang/srt/models/gpt_bigcode.py
+++ b/python/sglang/srt/models/gpt_bigcode.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/07eb6f19f3b0ee9f7adf6eb689607028aa40bfd5/vllm/model_executor/models/gpt_bigcode.py
 """Inference-only GPTBigCode model compatible with HuggingFace weights."""
diff --git a/python/sglang/srt/models/grok.py b/python/sglang/srt/models/grok.py
index 3a765b6a7..9c4251b09 100644
--- a/python/sglang/srt/models/grok.py
+++ b/python/sglang/srt/models/grok.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/mixtral.py#L1
 """Inference-only Grok1 model."""
diff --git a/python/sglang/srt/models/internlm2.py b/python/sglang/srt/models/internlm2.py
index b8d48edbd..bf6d99e3c 100644
--- a/python/sglang/srt/models/internlm2.py
+++ b/python/sglang/srt/models/internlm2.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # -*- coding: utf-8 -*-
 # Adapted from https://raw.githubusercontent.com/vllm-project/vllm/7f62077af5159c625fe3ad1c812e6c1a2b93ba3b/vllm/model_executor/models/internlm2.py
 
diff --git a/python/sglang/srt/models/llama2.py b/python/sglang/srt/models/llama2.py
index ed933a190..2287cf0a1 100644
--- a/python/sglang/srt/models/llama2.py
+++ b/python/sglang/srt/models/llama2.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/llama.py#L1
 """Inference-only LLaMA model compatible with HuggingFace weights."""
diff --git a/python/sglang/srt/models/llama_classification.py b/python/sglang/srt/models/llama_classification.py
index a12bbc91a..f96eae093 100644
--- a/python/sglang/srt/models/llama_classification.py
+++ b/python/sglang/srt/models/llama_classification.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 from typing import Iterable, Optional, Tuple
 
 import torch
diff --git a/python/sglang/srt/models/llava.py b/python/sglang/srt/models/llava.py
index 07c8c7372..2fcc4e998 100644
--- a/python/sglang/srt/models/llava.py
+++ b/python/sglang/srt/models/llava.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Inference-only LLaVa model compatible with HuggingFace weights."""
 
 from typing import Iterable, List, Optional, Tuple
diff --git a/python/sglang/srt/models/llavavid.py b/python/sglang/srt/models/llavavid.py
index 33e1f3f30..1f08137c6 100644
--- a/python/sglang/srt/models/llavavid.py
+++ b/python/sglang/srt/models/llavavid.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Inference-only LLaVa video model compatible with HuggingFace weights."""
 
 from typing import Iterable, List, Optional, Tuple
diff --git a/python/sglang/srt/models/minicpm.py b/python/sglang/srt/models/minicpm.py
index 347404b2e..7a07335d1 100644
--- a/python/sglang/srt/models/minicpm.py
+++ b/python/sglang/srt/models/minicpm.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Inference-only MiniCPM model compatible with HuggingFace weights."""
 
 import math
diff --git a/python/sglang/srt/models/mistral.py b/python/sglang/srt/models/mistral.py
index 54794e6fc..614c1c1d7 100644
--- a/python/sglang/srt/models/mistral.py
+++ b/python/sglang/srt/models/mistral.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Inference-only Mistral model."""
 
 from sglang.srt.models.llama2 import LlamaForCausalLM
diff --git a/python/sglang/srt/models/mixtral.py b/python/sglang/srt/models/mixtral.py
index 19fc50162..0cfbad719 100644
--- a/python/sglang/srt/models/mixtral.py
+++ b/python/sglang/srt/models/mixtral.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/mixtral.py#L1
 """Inference-only Mixtral model."""
diff --git a/python/sglang/srt/models/mixtral_quant.py b/python/sglang/srt/models/mixtral_quant.py
index 69da0a1c4..fce04cc89 100644
--- a/python/sglang/srt/models/mixtral_quant.py
+++ b/python/sglang/srt/models/mixtral_quant.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/mixtral_quant.py#L1
 """Inference-only Mixtral model."""
diff --git a/python/sglang/srt/models/qwen.py b/python/sglang/srt/models/qwen.py
index ba098b8c5..cf6b264f3 100644
--- a/python/sglang/srt/models/qwen.py
+++ b/python/sglang/srt/models/qwen.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/qwen.py#L1
 from typing import Any, Dict, Iterable, Optional, Tuple
diff --git a/python/sglang/srt/models/qwen2.py b/python/sglang/srt/models/qwen2.py
index 8e713cff0..80ab61b64 100644
--- a/python/sglang/srt/models/qwen2.py
+++ b/python/sglang/srt/models/qwen2.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from llama2.py
 # Modify details for the adaptation of Qwen2 model.
 """Inference-only Qwen2 model compatible with HuggingFace weights."""
diff --git a/python/sglang/srt/models/qwen2_moe.py b/python/sglang/srt/models/qwen2_moe.py
index ca1f27a63..213ba6d3c 100644
--- a/python/sglang/srt/models/qwen2_moe.py
+++ b/python/sglang/srt/models/qwen2_moe.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # coding=utf-8
 # Adapted from
 # https://github.com/vllm-project/vllm/blob/main/vllm/model_executor/models/qwen2_moe.py
diff --git a/python/sglang/srt/models/stablelm.py b/python/sglang/srt/models/stablelm.py
index 4b91d2c4d..4589c997c 100644
--- a/python/sglang/srt/models/stablelm.py
+++ b/python/sglang/srt/models/stablelm.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 # Adapted from:
 # https://github.com/vllm-project/vllm/blob/c7f2cf2b7f67bce5842fedfdba508440fe257375/vllm/model_executor/models/stablelm.py#L1
 """Inference-only StableLM-2 (https://huggingface.co/stabilityai/stablelm-2-1_6b)
diff --git a/python/sglang/srt/models/yivl.py b/python/sglang/srt/models/yivl.py
index 3016bfe13..11d4cda1c 100644
--- a/python/sglang/srt/models/yivl.py
+++ b/python/sglang/srt/models/yivl.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Inference-only Yi-VL model."""
 
 from typing import Iterable, Optional, Tuple
diff --git a/python/sglang/srt/openai_api/adapter.py b/python/sglang/srt/openai_api/adapter.py
index 6f354cef2..9ad208962 100644
--- a/python/sglang/srt/openai_api/adapter.py
+++ b/python/sglang/srt/openai_api/adapter.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Conversion between OpenAI APIs and native SRT APIs"""
 
 import asyncio
diff --git a/python/sglang/srt/openai_api/protocol.py b/python/sglang/srt/openai_api/protocol.py
index c34ebd32e..c7c18be55 100644
--- a/python/sglang/srt/openai_api/protocol.py
+++ b/python/sglang/srt/openai_api/protocol.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Pydantic models for OpenAI API protocol"""
 
 import time
diff --git a/python/sglang/srt/sampling_params.py b/python/sglang/srt/sampling_params.py
index 28eb4537b..f6582cf41 100644
--- a/python/sglang/srt/sampling_params.py
+++ b/python/sglang/srt/sampling_params.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Sampling parameters for text generation."""
 
 from typing import List, Optional, Union
diff --git a/python/sglang/srt/server.py b/python/sglang/srt/server.py
index dd88d9a99..e4801deeb 100644
--- a/python/sglang/srt/server.py
+++ b/python/sglang/srt/server.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """
 The entry point of inference server.
 SRT = SGLang Runtime.
diff --git a/python/sglang/srt/server_args.py b/python/sglang/srt/server_args.py
index cb59ec986..5c22c48e6 100644
--- a/python/sglang/srt/server_args.py
+++ b/python/sglang/srt/server_args.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """The arguments of the server."""
 
 import argparse
diff --git a/python/sglang/srt/utils.py b/python/sglang/srt/utils.py
index ed90b9267..cefa7609b 100644
--- a/python/sglang/srt/utils.py
+++ b/python/sglang/srt/utils.py
@@ -1,3 +1,18 @@
+"""
+Copyright 2023-2024 SGLang Team
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
 """Common utilities."""
 
 import base64