US Plant Patent PP24685
Silver Heart
Brunnera plant named ‘Silver Heart’
UNDER PATENT
Still under patent. Protection ends February 9, 2033.
Twenty years from the filing date would end on November 13, 2032. This patent earned 88 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24685
- Filed
- November 13, 2012
- Granted
- July 22, 2014
- Expires
- February 9, 2033
- Assignee
- WILLEMSEN PETER JAN
- Inventor
- WILLEMSEN PETER JAN
Abstract
A new cultivar of Brunnera macrophylla , ‘Silver Heart’, characterized by its leaves that are large, strong, round-cordate in shape, and heavily mottled with silver with very thin green veins and margins, and its resistance to sun scorch.
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 Brunnera plant named ‘Silver Heart’ as herein illustrated and described.
Read the full patent: US Plant Patent PP24685 in full — the complete specification, every figure, and the file history.