diff --git a/Lib/copy.py b/Lib/copy.py
index f86040a..7fdd459 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -127,6 +127,55 @@ d[bytearray] = bytearray.copy
 if PyStringMap is not None:
     d[PyStringMap] = PyStringMap.copy
 
+def _copy_itertools_chain(x):
+    rv = x.__reduce_ex__(4)
+    if len(rv) == 3:
+        if len(rv[2]) in (1, 2):
+            from itertools import tee
+            from operator import itemgetter
+            source = rv[2][0]
+            source1, source2 = tee(map(tee, source))
+            source1 = map(itemgetter(0), source1)
+            source2 = map(itemgetter(1), source2)
+            if len(rv[2]) == 1:
+                x.__setstate__((source1,))
+                rv = rv[:2] + ((source2,),)
+            else:
+                active = rv[2][1]
+                active1, active2 = tee(active)
+                x.__setstate__((source1, active1))
+                rv = rv[:2] + ((source2, active2),)
+                del active, active1, active2
+            del source, source1, source2
+    return _reconstruct(x, None, *rv)
+
+def _copy_itertools_chain(x):
+    rv = x.__reduce_ex__(4)
+    if len(rv) == 3:
+        assert len(rv[2]) in (0, 1, 2)
+        if len(rv[2]) in (1, 2):
+            from itertools import tee
+            from operator import itemgetter
+            source = rv[2][0]
+            source1, source2 = tee(map(tee, source))
+            source1 = map(itemgetter(0), source1)
+            source2 = map(itemgetter(1), source2)
+            if len(rv[2]) == 1:
+                x.__setstate__((source1,))
+                rv = rv[:2] + ((source2,),)
+            else:
+                active = rv[2][1]
+                active1 = copy(active)
+                active2 = copy(active)
+                x.__setstate__((source1, active1))
+                rv = rv[:2] + ((source2, active2),)
+                del active, active2
+            del source, source1, source2
+    return _reconstruct(x, None, *rv)
+import itertools
+d[itertools.chain] = _copy_itertools_chain
+del itertools
+
 del d, t
 
 def deepcopy(x, memo=None, _nil=[]):
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index c431f0d..f798771 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -196,6 +196,23 @@ class TestBasicOps(unittest.TestCase):
         it.__setstate__((iter(['abc', 'def']), iter(['ghi'])))
         self.assertEqual(list(it), ['ghi', 'a', 'b', 'c', 'd', 'e', 'f'])
 
+    def test_chain_copy(self):
+        a = chain(iter('ab'), iter('cd'))
+        b = copy.copy(a)
+        self.assertEqual(list(b), list('abcd'))
+
+        self.assertEqual(next(a), 'a')
+        b = copy.copy(a)
+        self.assertEqual(list(b), list('bcd'))
+
+        self.assertEqual(next(a), 'b')
+        b = copy.copy(a)
+        self.assertEqual(list(b), list('cd'))
+
+        self.assertEqual(list(a), list('cd'))
+        b = copy.copy(a)
+        self.assertEqual(list(b), [])
+
     def test_combinations(self):
         self.assertRaises(TypeError, combinations, 'abc')       # missing r argument
         self.assertRaises(TypeError, combinations, 'abc', 2, 1) # too many arguments