US Plant Patent PP23920
Zoqum
Clematis plant named ‘Zoqum’
UNDER PATENT
Still under patent. Protection ends January 25, 2032.
Twenty years from the filing date would end on December 14, 2031. This patent earned 42 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23920
- Filed
- December 14, 2011
- Granted
- September 24, 2013
- Expires
- January 25, 2032
- Assignee
- J VAN ZOEST BEHEER B V, STRAVER WILLEM
- Inventor
- STRAVER WILLEM
Abstract
A new cultivar of Clematis named ‘Zoqum’, characterized by its free-flowering habit with bell-shaped flowers that are of red-purple in color and non-fading, its near sterility, a climbing plant habit and its cold hardiness to at least U.S.D.A. Zone 5.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Clematis plant named ‘Zoqum’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23920 in full — the complete specification, every figure, and the file history.