diff --git a/gui/patternEditor.py b/gui/patternEditor.py
index 7bf806207..542698f9c 100644
--- a/gui/patternEditor.py
+++ b/gui/patternEditor.py
@@ -147,10 +147,9 @@ class DmgPatternEditorDlg (wx.Dialog):
 
         self.SetSizer(mainSizer)
 
-# <Import&Export>
-        importExport = (("Import", wx.ART_FILE_OPEN),
-                        ("Export", wx.ART_FILE_SAVE_AS))
-        for name, art in importExport:
+        importExport = (("Import", wx.ART_FILE_OPEN, "from"),
+                        ("Export", wx.ART_FILE_SAVE_AS, "to"))
+        for name, art, direction in importExport:
                 bitmap = wx.ArtProvider.GetBitmap(art, wx.ART_BUTTON)
                 btn = wx.BitmapButton(self, wx.ID_ANY, bitmap)
 
@@ -160,12 +159,9 @@ class DmgPatternEditorDlg (wx.Dialog):
                 btn.Layout()
                 setattr(self, name, btn)
                 btn.Enable(True)
-                btn.SetToolTipString("%s patterns" % name.capitalize())
+                btn.SetToolTipString("%s patterns %s clipboard" % (name, direction) )
                 footerSizer.Add(btn, 0, wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_RIGHT)
 
-# </Import&Export>
-
-
         self.Layout()
         bsize = self.GetBestSize()
         self.SetSize((-1,bsize.height))
diff --git a/service/damagePattern.py b/service/damagePattern.py
index 6348c6559..830a619ef 100644
--- a/service/damagePattern.py
+++ b/service/damagePattern.py
@@ -31,17 +31,15 @@ class DamagePattern():
         return cls.instance
 
     def __init__(self):
-        self.getDamagePatternList()
-
-    def getDamagePatternList(self):
-        patterns = eos.db.getDamagePatternList()
-        if len(patterns) == 0:
+        try:
+            uniform = eos.db.getDamagePattern("Uniform")
+        except:
             uniform = eos.types.DamagePattern(25, 25, 25, 25)
             uniform.name = "Uniform"
             eos.db.save(uniform)
-            patterns.append(uniform)
 
-        return patterns
+    def getDamagePatternList(self):
+        return eos.db.getDamagePatternList()
 
     def getDamagePattern(self, name):
         return eos.db.getDamagePattern(name)
@@ -67,8 +65,17 @@ class DamagePattern():
         eos.db.save(p)
 
     def importPatterns(self, text):
-        eos.types.DamagePattern.importPatterns(text)
+        lookup = {}
+        current = self.getDamagePatternList()
+        for pattern in current:
+            lookup[pattern.name] = pattern
+        imports = eos.types.DamagePattern.importPatterns(text)
+        for pattern in imports:
+            if pattern.name in lookup:
+                self.deletePattern( lookup[pattern.name] )
+            eos.db.save(pattern)
 
     def exportPatterns(self):
         patterns = self.getDamagePatternList()
         return eos.types.DamagePattern.exportPatterns(*patterns)
+