US Plant Patent PP23241
Quills and Thrills
Echinacea plant named ‘Quills and Thrills’
UNDER PATENT
Still under patent. Protection ends July 25, 2031.
Twenty years from the filing date would end on June 9, 2031. This patent earned 46 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23241
- Filed
- June 9, 2011
- Granted
- December 4, 2012
- Expires
- July 25, 2031
- Assignee
- TERRA NOVA NURSERIES INC, KORLIPARA HARINI
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct Echinacea plant named ‘Quills and Thrills’ characterized by large inflorescences with quilled ray florets of purple pink, a compact, multicrown habit, a long bloom time, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Echinacea plant as herein illustrated and described.
Read the full patent: US Plant Patent PP23241 in full — the complete specification, every figure, and the file history.