US Plant Patent PP16079
Nighthawk Yellow
Chrysanthemum plant named ‘Nighthawk Yellow’
PUBLIC DOMAIN
Patent expired November 10, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 24, 2023. This patent earned 17 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16079
- Filed
- October 24, 2003
- Granted
- November 1, 2005
- Expires
- November 10, 2023
- Assignee
- CLEANGRO LTD
- Inventor
- LINTOTT KEITH G
Abstract
A new variety of Chrysanthemum plant named ‘Nighthawk Yellow’, having a domed, round habit and yellow decorative flowers. The new variety has good foliage presentation and weather resistance.
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 Chrysanthemum plant, substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP16079 in full — the complete specification, every figure, and the file history.