US Plant Patent PP19592
Pinot Gris
Heuchera plant named ‘Pinot Gris’
UNDER PATENT
Still under patent. Protection ends January 15, 2028.
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
- PP19592
- Filed
- January 15, 2008
- Granted
- December 23, 2008
- Expires
- January 15, 2028
- Assignee
- DELABROYE SANDRINE
- Inventor
- DELABROYE SANDRINE
Abstract
A new cultivar of hybrid Heuchera named ‘Pinot Gris’, characterized by its unique foliage with its orbicular shaped wavy leaves that emerge orange-yellow with a silver overlay in spring changing to a rosy grayed red in summer with increasing amount of silver overlay and dark rosy red veins. ‘Pinot Gris’ is further characterized by its compact and mounded plant habit, its tolerance to heat, humidity, and exposure to sunlight, and its hardiness in U.S.D.A Zones 4 to 9.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Heuchera plant named ‘Pinot Gris’ as herein illustrated and described.
Read the full patent: US Plant Patent PP19592 in full — the complete specification, every figure, and the file history.