Skip to content
The Patent Garden

US Plant Patent PP23454

Dark Chocolate

Heuchera plant named ‘Dark Chocolate’

UNDER PATENT

Still under patent. Protection ends August 28, 2031.

Twenty years from the filing date would end on July 25, 2031. This patent earned 34 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP23454, the photograph of Dark Chocolate printed in the patent.
Figure 1 from US Plant Patent PP23454, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP23454
Filed
July 25, 2011
Granted
March 5, 2013
Expires
August 28, 2031
Inventor
OLIVER CHARLES

Abstract

A new cultivar of Heuchera of hybrid origin, ‘Dark Chocolate’, that is characterized by its foliage that is dark purple-bronze that is overlaid with silvery green mottling with the coloration retained throughout the growing season, its flowers that are comparatively large, well shaped, and pink in color, its red-purple flower buds and red-purple stems that contrast well with its pink flowers, its well-proportioned plant form, its foliage that is weather resistant with good tolerance to wind and rain, and its good garden performance.

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 ‘Dark Chocolate’ as herein illustrated and described.

Read the full patent: US Plant Patent PP23454 in full — the complete specification, every figure, and the file history.