US Plant Patent PP30792
UMNHarpell
Physocarpus plant named ‘UMNHarpell’
UNDER PATENT
Still under patent. Protection ends January 16, 2038.
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
- PP30792
- Filed
- January 16, 2018
- Granted
- August 13, 2019
- Expires
- January 16, 2038
- Assignee
- UNIV MINNESOTA
- Inventor
- PELLETT HAROLD M
Abstract
A new cultivar of Physocarpus plant, ‘UMNHarpell’, that is characterized by its new foliage that is red-purple in color and matures to deep purple with the deep purple color retained into the interior of the plant, its compact plant habit, its slow to moderate growth rate, and its good resistance to powdery mildew.
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 Physocarpus plant named ‘UMNHarpell’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP30792 in full — the complete specification, every figure, and the file history.