US Plant Patent PP25624
Muscat
Heuchera plant named ‘Muscat’
UNDER PATENT
Still under patent. Protection ends March 10, 2033.
Twenty years from the filing date would end on December 4, 2032. This patent earned 96 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25624
- Filed
- December 4, 2012
- Granted
- June 16, 2015
- Expires
- March 10, 2033
- Assignee
- DELABROYE THIERRY, Sandrine Delabroye
- Inventor
- DELABROYE THIERRY
Abstract
A new cultivar of hybrid Heuchera named ‘Muscat’, characterized by its uniquely colored foliage with leaves that are green with a silvery overlay between the veins with newer leaves lighter green in color, its leaves that are relatively flat in aspect (not ruffled), its tolerance to heat and humidity, its compact and upright plant habit, its pink flowers, and its cold hardiness in Zones U.S.D.A Zone 3 to 8.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of hybrid Heuchera plant named ‘Muscat’ as herein illustrated and described.
Read the full patent: US Plant Patent PP25624 in full — the complete specification, every figure, and the file history.