US Plant Patent PP25647
Brown Sugar
Heuchera plant named ‘Brown Sugar’
UNDER PATENT
Still under patent. Protection ends March 4, 2033.
Twenty years from the filing date would end on December 5, 2032. This patent earned 89 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25647
- Filed
- December 5, 2012
- Granted
- June 23, 2015
- Expires
- March 4, 2033
- Assignee
- DELABROYE SANDRINE
- Inventor
- DELABROYE THIERRY
Abstract
A new cultivar of hybrid Heuchera named ‘Brown Sugar’, characterized by its glossy leaves that are bronze in color with silver mottling, compact plant habit with a tight mound of foliage, its abundance of flowering stems, its medium pink flowers on dark brown-red flowering stems, its vigorous growth habit, and its tolerance to heat and humidity.
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 ‘Brown Sugar’ as herein illustrated and described.
Read the full patent: US Plant Patent PP25647 in full — the complete specification, every figure, and the file history.