US Plant Patent PP21189
Pink Yohenry the Third
Aster plant named ‘Pink Yohenry the Third’
UNDER PATENT
Still under patent. Protection ends July 14, 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
- PP21189
- Filed
- July 14, 2009
- Granted
- August 10, 2010
- Expires
- July 14, 2029
- Assignee
- SYNGENTA CROP PROTECTION AG
- Inventor
- SMITH MARK A
Abstract
A new Aster plant named ‘Pink Yohenry the Third’, particularly distinguished by the upright, medium size, freely branching growth habit, dark green foliage, and purple-light purple flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Aster plant named ‘Pink Yohenry the Third’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP21189 in full — the complete specification, every figure, and the file history.