US Plant Patent PP18814
Merlot
Echinacea purpurea plant named ‘Merlot’
UNDER PATENT
Still under patent. Protection ends February 12, 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
- PP18814
- Filed
- February 12, 2007
- Granted
- May 13, 2008
- Expires
- February 12, 2027
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- KORLIPARA HARINI
Abstract
A new and distinct Echinacea purpurea plant named ‘Merlot’ characterized by its upright, well branched habit, large red purple flowers, multiple flowering stems, and unique deep maroon stems.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Echinacea purpurea plant as herein illustrated and described.
Read the full patent: US Plant Patent PP18814 in full — the complete specification, every figure, and the file history.