US Plant Patent PP26506
Passion Plum
Clematis plant named ‘Passion Plum’
UNDER PATENT
Still under patent. Protection ends August 8, 2034.
Twenty years from the filing date would end on May 1, 2034. This patent earned 99 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26506
- Filed
- May 1, 2014
- Granted
- March 15, 2016
- Expires
- August 8, 2034
- Assignee
- WESTPHAL FRIEDRICH MANFRED
- Inventor
- WESTPHAL FRIEDRICH MANFRED
Abstract
A new and distinct Clematis cultivar named ‘Passion Plum’ is disclosed, characterized by short, very compact plant growth and a long, continuous flowering period from Spring through Summer. Flowers are distinctively colored dark pink with a darker pink bar. The new cultivar is a Clematis , suitable for ornamental garden purposes.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Clematis plant named ‘Passion Plum’ as herein illustrated and described.
Read the full patent: US Plant Patent PP26506 in full — the complete specification, every figure, and the file history.