US Plant Patent PP22752
Synhen Thefirst
Aster plant named ‘Synhen Thefirst’
UNDER PATENT
Still under patent. Protection ends November 13, 2030.
Twenty years from the filing date would end on October 21, 2030. This patent earned 23 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22752
- Filed
- October 21, 2010
- Granted
- May 22, 2012
- Expires
- November 13, 2030
- Assignee
- SYNGENTA CROP PROTECTION AG, SMITH MARK A
- Inventor
- SMITH MARK A
Abstract
A new Aster plant named ‘Synhen Thefirst’ particularly distinguished by the small to medium sized, long lasting, double-type inflorescences with violet ray floret color, medium green foliage; upright, freely branched and rounded plant habit, and a natural season flowering in early September.
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 ‘Synhen Thefirst’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP22752 in full — the complete specification, every figure, and the file history.