US Plant Patent PP32752
Jack of Diamonds
Brunnera macrophylla plant named ‘Jack of Diamonds’
UNDER PATENT
Still under patent. Protection ends August 20, 2039.
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
- PP32752
- Filed
- August 20, 2019
- Granted
- January 12, 2021
- Expires
- August 20, 2039
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinctive cultivar of Brunnera plant named ‘Jack of Diamonds’ with very large leaves of silver with broad, dark green around the veins. The flowers are light blue and flower for about four weeks in the spring. The leaves are thicker and provide more tolerance of high temperatures and other environmental factors.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct perennial Heartleaf Brunnera plant named ‘Jack of Diamonds’ as herein described and illustrated.
Read the full patent: US Plant Patent PP32752 in full — the complete specification, every figure, and the file history.