US Plant Patent PP23036
Secret Romance
Echinacea plant named ‘Secret Romance’
UNDER PATENT
Still under patent. Protection ends May 4, 2031.
Twenty years from the filing date would end on February 14, 2031. This patent earned 79 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23036
- Filed
- February 14, 2011
- Granted
- September 11, 2012
- Expires
- May 4, 2031
- Assignee
- TERRA NOVA NURSERIES INC, KORLIPARA HARINI
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct Echinacea plant named ‘Secret Romance’ characterized by lavender pink ray florets, enlarged deep pink disc florets forming an anemone-type inflorescence, a dwarf habit with good branching and strong stems, 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 PP23036 in full — the complete specification, every figure, and the file history.