US Plant Patent PP19279
Yellow Sharp
Chrysanthemum plant named ‘Yellow Sharp’
UNDER PATENT
Still under patent. Protection ends November 22, 2026.
Twenty years from the filing date would end on May 3, 2026. This patent earned 203 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19279
- Filed
- May 3, 2006
- Granted
- October 7, 2008
- Expires
- November 22, 2026
- Assignee
- YODER BROTHERS INC
- Inventor
- VANDENBERG CORNELIS P
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Yellow Sharp’, characterized by its upright plant habit; dark green-colored foliage; freely and uniformly flowering habit; quilled decorative-type inflorescences that are about 5.5 cm in diameter with bright yellow-colored ray florets and green-colored centers; strong peduncles; and good postproduction longevity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Chrysanthemum plant named ‘Yellow Sharp’ as illustrated and described.
Read the full patent: US Plant Patent PP19279 in full — the complete specification, every figure, and the file history.