US Plant Patent PP21541
Star Dust
Gardenia plant named ‘Star Dust’
UNDER PATENT
Still under patent. Protection ends October 24, 2028.
Twenty years from the filing date would end on August 13, 2027. This patent earned 438 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21541
- Filed
- August 13, 2007
- Granted
- November 30, 2010
- Expires
- October 24, 2028
- Assignee
- COOK ALLYN
- Inventor
- COOK ALLYN
Abstract
A new and distinct gardenia named ‘Star Dust’ that is resistant to race 2 of the root knot nematode and has dark green, glossy leaves and fragrant white flowers typical of the genus is described.
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 Gardenia plant, as herein illustrated and described.
Read the full patent: US Plant Patent PP21541 in full — the complete specification, every figure, and the file history.