US Plant Patent PP19946
Gold Nugget
Coreopsis plant named ‘Gold Nugget’
UNDER PATENT
Still under patent. Protection ends September 13, 2027.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP19946
- Filed
- September 13, 2007
- Granted
- April 21, 2009
- Expires
- September 13, 2027
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct Coreopsis plant named ‘Gold Nugget’ characterized by prolific, large, bright yellow and maroon daisy-type flowers, grass green foliage, very free branching and flowering, long bloom time, and a mounding habit.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Coreopsis plant as herein illustrated and described.
Read the full patent: US Plant Patent PP19946 in full — the complete specification, every figure, and the file history.