US Plant Patent PP31198
ZLEYe12
Physocarpus plant named ‘ZLEYe12’
UNDER PATENT
Still under patent. Protection ends April 10, 2038.
Twenty years from the filing date would end on January 3, 2038. This patent earned 97 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP31198
- Filed
- January 3, 2018
- Granted
- December 10, 2019
- Expires
- April 10, 2038
- Assignee
- ZLESAK DAVID CHARLES
- Inventor
- ZLESAK DAVID CHARLES
Abstract
‘ZLEYel2’ is a new and distinct cultivar of Physocarpus opulifolius plant having an upright, mounded, dense plant habit; compact overall plant size; strong branching characteristics; small yellow-green foliage; short internode length; resistance to powdery mildew; corymbs of small blush-white flowers; coral pink to red follicle color in full sun for about a month after fertilization; and ability to root and grow vigorously from softwood and semi-hardwood cuttings.
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 cultivar of Physocarpus opulifolius plant substantially as herein shown and described, characterized particularly by its upright, mounded, dense plant habit; compact overall plant size; strong branching characteristics; small yellow-green foliage; short internode length; resistance to powdery mildew; corymbs of small blush-white flowers; coral pink to red follicle color in full sun for about a month after fertilization; and ability to root and grow vigorously from softwood and semi-hardwood cuttings.
Read the full patent: US Plant Patent PP31198 in full — the complete specification, every figure, and the file history.