diff --git a/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardListener.java b/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardListener.java
--- a/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardListener.java
+++ b/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardListener.java
@@ -41,6 +41,7 @@
 
     private final Context context;
     private String currentContent;
+    private long updateTimestamp;
 
     private ClipboardManager cm = null;
     private ClipboardManager.OnPrimaryClipChangedListener listener;
@@ -91,8 +92,17 @@
         });
     }
 
+    public String getCurrentContent() {
+        return currentContent;
+    }
+
+    public long getUpdateTimestamp(){
+        return updateTimestamp;
+    }
+
     @SuppressWarnings("deprecation")
     public void setText(String text) {
+        updateTimestamp = System.currentTimeMillis();
         currentContent = text;
         cm.setText(text);
     }
diff --git a/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardPlugin.java b/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardPlugin.java
--- a/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardPlugin.java
+++ b/src/org/kde/kdeconnect/Plugins/ClibpoardPlugin/ClipboardPlugin.java
@@ -28,6 +28,17 @@
 @PluginFactory.LoadablePlugin
 public class ClipboardPlugin extends Plugin {
 
+    /**
+     * Packet containing clipboard contents and a timestamp that the contents were last updated.
+     * <p>
+     * The timestamp is milliseconds since epoch. It can be 0, which indicates that the clipboard
+     * update time is currently unknown.
+     * <p>
+     * The body should look like so:
+     * { "timestamp": 542904563213,
+     * "content": "password"
+     * }
+     */
     private final static String PACKET_TYPE_CLIPBOARD = "kdeconnect.clipboard";
 
     @Override
@@ -42,16 +53,41 @@
 
     @Override
     public boolean onPacketReceived(NetworkPacket np) {
+        if (np.has("timestamp")) {
+            long packetTime = np.getLong("timestamp");
+            
+            // If the packetTime is 0, it means the timestamp is unknown (so do nothing).
+            if (packetTime == 0) {
+                return false;
+            } else if (packetTime < ClipboardListener.instance(context).getUpdateTimestamp()) {
+                propagateClipboard(ClipboardListener.instance(context).getCurrentContent());
+                return true;
+            }
+        }
+
         String content = np.getString("content");
-        ClipboardListener.instance(context).setText(content);
-        return true;
+
+        if (!content.equals(ClipboardListener.instance(context).getCurrentContent())) {
+
+            ClipboardListener.instance(context).setText(content);
+            return true;
+        } else {
+            return false;
+        }
     }
 
-    private final ClipboardListener.ClipboardObserver observer = content -> {
+    private final ClipboardListener.ClipboardObserver observer = this::updateClipboard;
+
+    private void updateClipboard(String content){
+        propagateClipboard(content);
+    }
+
+    private void propagateClipboard(String content){
         NetworkPacket np = new NetworkPacket(ClipboardPlugin.PACKET_TYPE_CLIPBOARD);
         np.set("content", content);
+        np.set("timestamp", ClipboardListener.instance(context).getUpdateTimestamp());
         device.sendPacket(np);
-    };
+    }
 
     @Override
     public boolean onCreate() {