diff --git a/taiga/projects/serializers.py b/taiga/projects/serializers.py
index 613fbc02..a06f9a15 100644
--- a/taiga/projects/serializers.py
+++ b/taiga/projects/serializers.py
@@ -68,6 +68,22 @@ class TaskStatusSerializer(ModelSerializer):
     class Meta:
         model = models.TaskStatus
 
+    def validate_name(self, attrs, source):
+        """
+        Check the task name is not duplicated in the project on creation
+        """
+        qs = None
+        # If the user story status exists:
+        if self.object and attrs.get("name", None):
+            qs = models.TaskStatus.objects.filter(project=self.object.project, name=attrs[source])
+
+        if not self.object and attrs.get("project", None)  and attrs.get("name", None):
+            qs = models.TaskStatus.objects.filter(project=attrs["project"], name=attrs[source])
+
+        if qs and qs.exists():
+              raise serializers.ValidationError("Name duplicated for the project")
+
+        return attrs
 
 # Issues common serializers
 
@@ -85,6 +101,23 @@ class IssueStatusSerializer(ModelSerializer):
     class Meta:
         model = models.IssueStatus
 
+    def validate_name(self, attrs, source):
+        """
+        Check the issue name is not duplicated in the project on creation
+        """
+        qs = None
+        # If the user story status exists:
+        if self.object and attrs.get("name", None):
+            qs = models.IssueStatus.objects.filter(project=self.object.project, name=attrs[source])
+
+        if not self.object and attrs.get("project", None)  and attrs.get("name", None):
+            qs = models.IssueStatus.objects.filter(project=attrs["project"], name=attrs[source])
+
+        if qs and qs.exists():
+              raise serializers.ValidationError("Name duplicated for the project")
+
+        return attrs
+        
 
 class IssueTypeSerializer(ModelSerializer):
     class Meta: