US Plant Patent PP20521
Amber Cluster
Helichrysum plant named ‘Amber Cluster’
UNDER PATENT
Still under patent. Protection ends April 23, 2028.
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
- PP20521
- Filed
- April 23, 2008
- Granted
- December 1, 2009
- Expires
- April 23, 2028
- Assignee
- BOWYER BRENDA
- Inventor
- BOWYER BRENDA
Abstract
A new Helichrysum plant particularly distinguished by its amber flower buds and by its good tolerance to powdery mildews, is disclosed.
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 Helichrysum plant as shown and described herein.
Read the full patent: US Plant Patent PP20521 in full — the complete specification, every figure, and the file history.