US Plant Patent PP23248
Zoang
Clematis plant named ‘Zoang’
UNDER PATENT
Still under patent. Protection ends May 7, 2031.
Twenty years from the filing date would end on February 16, 2031. This patent earned 80 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23248
- Filed
- February 16, 2011
- Granted
- December 11, 2012
- Expires
- May 7, 2031
- Assignee
- SNOEIJER WIM
- Inventor
- SNOEIJER WIM
Abstract
A new cultivar of Clematis named ‘Zoang’, characterized by its free-flowering habit with flowers that are a strong red-purple color in spring and almost white with a strong red-purple stripe in summer with little fading, it climbing plant habit, and its cold hardiness to at least U.S.D.A. Zone 6.
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 ‘Zoang’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23248 in full — the complete specification, every figure, and the file history.