US Plant Patent PP20470
Sienna Sunset
Coreopsis plant named ‘Sienna Sunset’
UNDER PATENT
Still under patent. Protection ends October 1, 2028.
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
- PP20470
- Filed
- October 1, 2008
- Granted
- November 10, 2009
- Expires
- October 1, 2028
- Assignee
- SUNNY BORDER NURSERIES INC
- Inventor
- LAVIANA MARC R
Abstract
A new cultivar of hybrid Coreopsis named ‘Sienna Sunset’ characterized it's large, abundant apricot colored inflorescences, its long blooming habit, its vigorous growth habit, its densely branched plant habit, its relative resistance to powdery mildew and hardiness at least to U.S.D.A. Zones 5 to 9.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Coreopsis plant named ‘Sienna Sunset’ as herein illustrated and described.
Read the full patent: US Plant Patent PP20470 in full — the complete specification, every figure, and the file history.