diff --git a/Cafe.Matcha.Packer/Program.cs b/Cafe.Matcha.Packer/Program.cs
index e9d0586..78b4987 100644
--- a/Cafe.Matcha.Packer/Program.cs
+++ b/Cafe.Matcha.Packer/Program.cs
@@ -17,7 +17,10 @@ private static void GenerateAssembly()
             string version = DateTime.UtcNow.ToString("yy.M.d.Hmm");
 
             var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"..\Cafe.Matcha\AssemblyCopyright.cs");
-            var template = @"using System.Reflection;
+            var template = @"// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+using System.Reflection;
 
 [assembly: AssemblyTitle(""Cafe.Matcha"")]
 [assembly: AssemblyDescription(""Cafe.Matcha"")]
diff --git a/Cafe.Matcha/Constant/LogType.cs b/Cafe.Matcha/Constant/LogType.cs
index 9718b2c..5174a1a 100644
--- a/Cafe.Matcha/Constant/LogType.cs
+++ b/Cafe.Matcha/Constant/LogType.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Constant
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Constant
 {
     public enum LogType
     {
diff --git a/Cafe.Matcha/Constant/Region.cs b/Cafe.Matcha/Constant/Region.cs
index dc97fa5..5895c27 100644
--- a/Cafe.Matcha/Constant/Region.cs
+++ b/Cafe.Matcha/Constant/Region.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Constant
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Constant
 {
     public enum Region
     {
diff --git a/Cafe.Matcha/Constant/TreasureShiftingWheelResultType.cs b/Cafe.Matcha/Constant/TreasureShiftingWheelResultType.cs
index 92fb9fe..abfe919 100644
--- a/Cafe.Matcha/Constant/TreasureShiftingWheelResultType.cs
+++ b/Cafe.Matcha/Constant/TreasureShiftingWheelResultType.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Constant
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Constant
 {
     internal enum TreasureShiftingWheelResultType
     {
diff --git a/Cafe.Matcha/Network/Packet.cs b/Cafe.Matcha/Network/Packet.cs
index d5dfa86..ef4be9e 100644
--- a/Cafe.Matcha/Network/Packet.cs
+++ b/Cafe.Matcha/Network/Packet.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network
 {
     using System;
     using System.Linq;
diff --git a/Cafe.Matcha/Network/Structures/IMarketBoardCurrentOfferings.cs b/Cafe.Matcha/Network/Structures/IMarketBoardCurrentOfferings.cs
index ee38a9a..3d9d046 100644
--- a/Cafe.Matcha/Network/Structures/IMarketBoardCurrentOfferings.cs
+++ b/Cafe.Matcha/Network/Structures/IMarketBoardCurrentOfferings.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network.Structures
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network.Structures
 {
     using System.Collections.Generic;
 
diff --git a/Cafe.Matcha/Network/Structures/IMarketBoardHistory.cs b/Cafe.Matcha/Network/Structures/IMarketBoardHistory.cs
index 86c30e9..5acbdd5 100644
--- a/Cafe.Matcha/Network/Structures/IMarketBoardHistory.cs
+++ b/Cafe.Matcha/Network/Structures/IMarketBoardHistory.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network.Structures
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network.Structures
 {
     using System;
     using System.Collections.Generic;
diff --git a/Cafe.Matcha/Network/Structures/IMarketBoardPurchase.cs b/Cafe.Matcha/Network/Structures/IMarketBoardPurchase.cs
index a0fff2f..0fb73b2 100644
--- a/Cafe.Matcha/Network/Structures/IMarketBoardPurchase.cs
+++ b/Cafe.Matcha/Network/Structures/IMarketBoardPurchase.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network.Structures
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network.Structures
 {
     /// <summary>
     /// An interface that represents market board purchase information. This message is received from the
diff --git a/Cafe.Matcha/Network/Structures/IMarketBoardPurchaseHandler.cs b/Cafe.Matcha/Network/Structures/IMarketBoardPurchaseHandler.cs
index 9b099a4..20749cb 100644
--- a/Cafe.Matcha/Network/Structures/IMarketBoardPurchaseHandler.cs
+++ b/Cafe.Matcha/Network/Structures/IMarketBoardPurchaseHandler.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network.Structures
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network.Structures
 {
     /// <summary>
     /// An interface that represents market board purchase information. This message is sent from the
diff --git a/Cafe.Matcha/Network/Structures/IMarketTaxRates.cs b/Cafe.Matcha/Network/Structures/IMarketTaxRates.cs
index 49e7f86..d999258 100644
--- a/Cafe.Matcha/Network/Structures/IMarketTaxRates.cs
+++ b/Cafe.Matcha/Network/Structures/IMarketTaxRates.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Network.Structures
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Network.Structures
 {
     using System;
 
diff --git a/Cafe.Matcha/Network/Structures/MarketBoardCurrentOfferings.cs b/Cafe.Matcha/Network/Structures/MarketBoardCurrentOfferings.cs
index 4fcb522..f30a4a8 100644
--- a/Cafe.Matcha/Network/Structures/MarketBoardCurrentOfferings.cs
+++ b/Cafe.Matcha/Network/Structures/MarketBoardCurrentOfferings.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System;
diff --git a/Cafe.Matcha/Network/Structures/MarketBoardHistory.cs b/Cafe.Matcha/Network/Structures/MarketBoardHistory.cs
index c285fb7..93d6174 100644
--- a/Cafe.Matcha/Network/Structures/MarketBoardHistory.cs
+++ b/Cafe.Matcha/Network/Structures/MarketBoardHistory.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System;
diff --git a/Cafe.Matcha/Network/Structures/MarketBoardItemRequest.cs b/Cafe.Matcha/Network/Structures/MarketBoardItemRequest.cs
index 0206b90..3bc43df 100644
--- a/Cafe.Matcha/Network/Structures/MarketBoardItemRequest.cs
+++ b/Cafe.Matcha/Network/Structures/MarketBoardItemRequest.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System.Collections.Generic;
diff --git a/Cafe.Matcha/Network/Structures/MarketBoardPurchase.cs b/Cafe.Matcha/Network/Structures/MarketBoardPurchase.cs
index bd74c35..961dbf4 100644
--- a/Cafe.Matcha/Network/Structures/MarketBoardPurchase.cs
+++ b/Cafe.Matcha/Network/Structures/MarketBoardPurchase.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System.IO;
diff --git a/Cafe.Matcha/Network/Structures/MarketBoardPurchaseHandler.cs b/Cafe.Matcha/Network/Structures/MarketBoardPurchaseHandler.cs
index dcb4f3e..db81d1d 100644
--- a/Cafe.Matcha/Network/Structures/MarketBoardPurchaseHandler.cs
+++ b/Cafe.Matcha/Network/Structures/MarketBoardPurchaseHandler.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System.IO;
diff --git a/Cafe.Matcha/Network/Structures/MarketTaxRates.cs b/Cafe.Matcha/Network/Structures/MarketTaxRates.cs
index 993eeca..59f786d 100644
--- a/Cafe.Matcha/Network/Structures/MarketTaxRates.cs
+++ b/Cafe.Matcha/Network/Structures/MarketTaxRates.cs
@@ -1,3 +1,6 @@
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
 namespace Cafe.Matcha.Network.Structures
 {
     using System;
diff --git a/Cafe.Matcha/Telemetry/Npc.cs b/Cafe.Matcha/Telemetry/Npc.cs
index eb65f6e..5f75391 100644
--- a/Cafe.Matcha/Telemetry/Npc.cs
+++ b/Cafe.Matcha/Telemetry/Npc.cs
@@ -1,4 +1,7 @@
-namespace Cafe.Matcha.Telemetry
+// Copyright (c) FFCafe. All rights reserved.
+// Licensed under the AGPL-3.0 license. See LICENSE file in the project root for full license information.
+
+namespace Cafe.Matcha.Telemetry
 {
     using Cafe.Matcha.Models;
     using Cafe.Matcha.Utils;