US Plant Patent PP23561
Symild Yel
Chrysanthemum plant named ‘Symild Yel’
UNDER PATENT
Still under patent. Protection ends December 16, 2031.
Twenty years from the filing date would end on April 4, 2031. This patent earned 256 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23561
- Filed
- April 4, 2011
- Granted
- April 23, 2013
- Expires
- December 16, 2031
- Assignee
- SYNGENTA CROP PROTECTION AG, SMITH MARK A
- Inventor
- SMITH MARK A
Abstract
A new Chrysanthemum plant named ‘Symild Yel’ particularly distinguished by the large, yellow inflorescences, medium green foliage, good mounded plant habit and a natural flowering season response of about mid October.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Chrysanthemum plant named ‘Symild Yel’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP23561 in full — the complete specification, every figure, and the file history.