US Plant Patent PP16560

Caramel

Heuchera plant named ‘Caramel’

PUBLIC DOMAIN

Patent expired September 17, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on September 7, 2024. This patent earned 375 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16560, the photograph of Caramel printed in the patent. — Figure 1 from US Plant Patent PP16560, 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: PP16560
Filed: September 7, 2004
Granted: May 23, 2006
Expires: September 17, 2025
Assignee: DELABROYE SANDRINE
Inventor: DELABROYE SANDRINE

Abstract

A new cultivar of Heuchera villosa , ‘Caramel’, characterized by its uniquely colored foliage of cordate-shaped leaves that emerge greyed-orange and mature to golden yellow-green, its vigorous growth habit and its resistance to disease.

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 ‘Caramel’ as herein illustrated and described.

Read the full patent: US Plant Patent PP16560 in full — the complete specification, every figure, and the file history.