Patent Family Tree Generator

A patent family tree maps all related patent applications that share a common priority filing — showing PCT applications, national phase entries, and continuation patents in one hierarchy. It is used during freedom-to-operate analysis, due diligence, and prosecution strategy reviews.

Yes. Describe the parent-child relationships in the chat — for example, 'add a continuation application US 18/123,456 filed 2023-03-01 under the EP national phase' — and the AI will extend the tree accordingly.

Yes. Describe the example and request changes in the chat — the AI adjusts the diagram and explanation in seconds.

Yes. Export as PNG from the editor toolbar, or copy the diagram to paste into presentations and reports.

With a free account, you can create diagrams for free. No credit card is needed. You can save your work and generate diagrams.