diff --git a/packages/stream_chat/lib/src/core/models/own_user.dart b/packages/stream_chat/lib/src/core/models/own_user.dart
index 7ceffbfa..679abb47 100644
--- a/packages/stream_chat/lib/src/core/models/own_user.dart
+++ b/packages/stream_chat/lib/src/core/models/own_user.dart
@@ -3,6 +3,7 @@ import 'package:stream_chat/src/core/models/device.dart';
 import 'package:stream_chat/src/core/models/mute.dart';
 import 'package:stream_chat/src/core/models/user.dart';
 import 'package:stream_chat/src/core/util/serializer.dart';
+import 'package:stream_chat/stream_chat.dart';
 
 part 'own_user.g.dart';
 
@@ -25,6 +26,7 @@ class OwnUser extends User {
     bool online = false,
     Map<String, Object?> extraData = const {},
     bool banned = false,
+    List<String> teams = const [],
   }) : super(
           id: id,
           role: role,
@@ -34,6 +36,7 @@ class OwnUser extends User {
           online: online,
           extraData: extraData,
           banned: banned,
+          teams: teams,
         );
 
   /// Create a new instance from a json
@@ -50,8 +53,69 @@ class OwnUser extends User {
         online: user.online,
         banned: user.banned,
         extraData: user.extraData,
+        teams: user.teams,
       );
 
+  /// Creates a copy of [OwnUser] with specified attributes overridden.
+  @override
+  OwnUser copyWith({
+    String? id,
+    String? role,
+    DateTime? createdAt,
+    DateTime? updatedAt,
+    DateTime? lastActive,
+    bool? online,
+    Map<String, Object?>? extraData,
+    bool? banned,
+    List<String>? teams,
+    List<Mute>? channelMutes,
+    List<Device>? devices,
+    List<Mute>? mutes,
+    int? totalUnreadCount,
+    int? unreadChannels,
+  }) =>
+      OwnUser(
+        id: id ?? this.id,
+        banned: banned ?? this.banned,
+        role: role ?? this.role,
+        createdAt: createdAt ?? this.createdAt,
+        updatedAt: updatedAt ?? this.updatedAt,
+        lastActive: lastActive ?? this.lastActive,
+        online: online ?? this.online,
+        extraData: extraData ?? this.extraData,
+        teams: teams ?? this.teams,
+        channelMutes: channelMutes ?? this.channelMutes,
+        devices: devices ?? this.devices,
+        mutes: mutes ?? this.mutes,
+        totalUnreadCount: totalUnreadCount ?? this.totalUnreadCount,
+        unreadChannels: unreadChannels ?? this.unreadChannels,
+      );
+
+  /// Returns a new [OwnUser] that is a combination of this ownUser
+  /// and the given [other] ownUser.
+  OwnUser merge(OwnUser? other) {
+    if (other == null) {
+      return this;
+    }
+
+    return copyWith(
+      banned: other.banned,
+      channelMutes: other.channelMutes,
+      createdAt: other.createdAt,
+      devices: other.devices,
+      extraData: other.extraData,
+      id: other.id,
+      lastActive: other.lastActive,
+      mutes: other.mutes,
+      online: other.online,
+      role: other.role,
+      teams: other.teams,
+      totalUnreadCount: other.totalUnreadCount,
+      unreadChannels: other.unreadChannels,
+      updatedAt: other.updatedAt,
+    );
+  }
+
   /// List of user devices
   @JsonKey(includeIfNull: false, defaultValue: <Device>[])
   final List<Device> devices;
diff --git a/packages/stream_chat/lib/src/core/models/user.dart b/packages/stream_chat/lib/src/core/models/user.dart
index c2960af9..1360d14e 100644
--- a/packages/stream_chat/lib/src/core/models/user.dart
+++ b/packages/stream_chat/lib/src/core/models/user.dart
@@ -47,9 +47,10 @@ class User extends Equatable {
 
   /// User role
   @JsonKey(
-      includeIfNull: false,
-      toJson: Serializer.readOnly,
-      defaultValue: <String>[])
+    includeIfNull: false,
+    toJson: Serializer.readOnly,
+    defaultValue: <String>[],
+  )
   final List<String> teams;
 
   /// Date of user creation
diff --git a/packages/stream_chat/test/src/core/models/own_user_test.dart b/packages/stream_chat/test/src/core/models/own_user_test.dart
index edaf022e..7aef859d 100644
--- a/packages/stream_chat/test/src/core/models/own_user_test.dart
+++ b/packages/stream_chat/test/src/core/models/own_user_test.dart
@@ -41,5 +41,43 @@ void main() {
       expect(ownUser.banned, user.banned);
       expect(ownUser.extraData, user.extraData);
     });
+
+    test('copyWith', () {
+      final user = OwnUser.fromJson(jsonFixture('own_user.json'));
+      var newUser = user.copyWith();
+
+      expect(newUser.id, user.id);
+      expect(newUser.role, user.role);
+      expect(newUser.name, user.name);
+
+      newUser = user.copyWith(
+        id: 'test',
+        role: 'test',
+        extraData: {
+          'name': 'test',
+        },
+      );
+
+      expect(newUser.id, 'test');
+      expect(newUser.role, 'test');
+      expect(newUser.name, 'test');
+    });
+
+    test('merge', () {
+      final user = OwnUser.fromJson(jsonFixture('own_user.json'));
+      final newUser = user.merge(OwnUser(
+        id: 'test',
+        role: 'test',
+        extraData: const {
+          'name': 'test',
+        },
+        banned: true,
+      ));
+
+      expect(newUser.id, 'test');
+      expect(newUser.role, 'test');
+      expect(newUser.name, 'test');
+      expect(newUser.banned, true);
+    });
   });
 }