US Plant Patent PP21713
Jenmar
Clematis plant named ‘Jenmar’
UNDER PATENT
Still under patent. Protection ends September 8, 2029.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP21713
- Filed
- September 8, 2009
- Granted
- February 15, 2011
- Expires
- September 8, 2029
- Assignee
- WESTPHAL FRIEDRICH
- Inventor
- WESTPHAL FRIEDRICH
Abstract
A new and distinct Clematis cultivar named ‘Jenmar’ is disclosed, characterized by very compact plant growth and continuous flowering from May through September. Flowers have a distinctive undulating margin. Additionally, the plant has not been observed to produce any seed, and is considered sterile. 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.
1. A new and distinct cultivar of Clematis plant named ‘Jenmar’ as herein illustrated and described.
Read the full patent: US Plant Patent PP21713 in full — the complete specification, every figure, and the file history.