diff --git a/pytools/tag.py b/pytools/tag.py
index d15131ff35fcadb9061c0eb8e397bc699f42983b..ac80314be4569f7e08d6f72a1fc98bee443ed11f 100644
--- a/pytools/tag.py
+++ b/pytools/tag.py
@@ -102,6 +102,15 @@ class DottedName:
                              "start with double underscores")
         return cls(name_parts)
 
+    def __repr__(self) -> str:
+        return self.__class__.__name__ + repr(self.name_parts)
+
+    def __eq__(self, other: object) -> bool:
+        if isinstance(other, DottedName):
+            return self.name_parts == other.name_parts
+        else:
+            return False
+
 
 # }}}
 
diff --git a/pytools/test/test_pytools.py b/pytools/test/test_pytools.py
index 624b3c66822734f75fced0f682eb9ab4ca78a5ef..117823abfb7d8048d1a04a974bc2449a57736889 100644
--- a/pytools/test/test_pytools.py
+++ b/pytools/test/test_pytools.py
@@ -582,6 +582,15 @@ def test_tag():
     with pytest.raises(ValueError):
         t4.without_tags(red_ribbon)
 
+    # Test DottedName comparison
+    from pytools.tag import DottedName
+    assert FairRibbon() == FairRibbon()
+    assert (FairRibbon().tag_name
+            == FairRibbon().tag_name
+            == DottedName(("test_pytools", "FairRibbon")))
+    assert FairRibbon() != BlueRibbon()
+    assert FairRibbon().tag_name != BlueRibbon().tag_name
+
 
 def test_unordered_hash():
     import hashlib