diff --git a/lib/jsdoc/augment.js b/lib/jsdoc/augment.js
index 367bb8a6..7d89e0d3 100644
--- a/lib/jsdoc/augment.js
+++ b/lib/jsdoc/augment.js
@@ -181,7 +181,7 @@ exports.addImplemented = function(docs) {
         });
     });
 
-    for (var key in implemented) {
+    for (var key in implemented) { if (implemented.hasOwnProperty(key)) {
         // implemented classes namespace.
         var owner = implemented[key];
 
@@ -204,6 +204,6 @@ exports.addImplemented = function(docs) {
 
         });
 
-    }
+    }}
 
 };
diff --git a/lib/jsdoc/schema.js b/lib/jsdoc/schema.js
index 669ea252..bd41b621 100644
--- a/lib/jsdoc/schema.js
+++ b/lib/jsdoc/schema.js
@@ -374,7 +374,8 @@ var DOCLET_SCHEMA = exports.DOCLET_SCHEMA = {
                 'namespace',
                 'package',
                 'param',
-                'typedef'
+                'typedef',
+                'interface'
             ]
         },
         license: {
diff --git a/test/fixtures/interface-implements.js b/test/fixtures/interface-implements.js
new file mode 100644
index 00000000..e3ac9f71
--- /dev/null
+++ b/test/fixtures/interface-implements.js
@@ -0,0 +1,12 @@
+/** @interface */
+function ITester() {}
+ITester.prototype.beforeEach = function() {};
+ITester.prototype.it = function() {};
+
+/**
+ * @constructor
+ * @implements {ITester}
+ */
+function MyTester() {}
+MyTester.prototype.beforeEach = function() {};
+MyTester.prototype.it = function() {};
diff --git a/test/specs/tags/implementstag.js b/test/specs/tags/implementstag.js
new file mode 100644
index 00000000..3a5681b9
--- /dev/null
+++ b/test/specs/tags/implementstag.js
@@ -0,0 +1,18 @@
+xdescribe('interface-implements suite', function() {
+    var docSet = jasmine.getDocSetFromFile("test/fixtures/interface-implements.js");
+
+    var foundMyTester = docSet.getByLongname('MyTester');
+    var foundBeforeEachMethod = docSet.getByLongname('MyTester#beforeEach');
+
+    it('MyTester has "implements" array property', function() {
+        expect(Array.isArray(foundMyTester[0].implements)).toBeTruthy();
+    });
+
+    it('beforeEach has "implemented" and "implements" property', function() {
+        expect(foundBeforeEachMethod[0].implemented).toBeDefined();
+        expect(foundBeforeEachMethod[0].implemented).toBeTruthy();
+        expect(foundBeforeEachMethod[0].implements).toBeDefined();
+        expect(Array.isArray(foundMyTester[0].implements)).toBeTruthy();
+    });
+
+});
\ No newline at end of file
diff --git a/test/specs/tags/interfacetag.js b/test/specs/tags/interfacetag.js
new file mode 100644
index 00000000..2366b74f
--- /dev/null
+++ b/test/specs/tags/interfacetag.js
@@ -0,0 +1,10 @@
+describe('@interface tag', function() {
+    var docSet = jasmine.getDocSetFromFile("test/fixtures/interface-implements.js");
+
+    var foundInterface = docSet.getByLongname('ITester');
+
+    it('ITester has "interface" value in "kind"', function() {
+        expect(foundInterface[0].kind).toEqual('interface');
+    });
+
+});
\ No newline at end of file