US Plant Patent PP28857
SMNPOTWG
Physocarpus plant named ‘SMNPOTWG’
UNDER PATENT
Still under patent. Protection ends December 15, 2035.
Twenty years from the filing date would end on October 22, 2035. This patent earned 54 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28857
- Filed
- October 22, 2015
- Granted
- January 9, 2018
- Expires
- December 15, 2035
- Assignee
- SPRING MEADOW NURSERY INC, WOOD TIMOTHY
- Inventor
- WOOD TIMOTHY
Abstract
A new and distinct Physocarpus cultivar named ‘SMNPOTWG’ is disclosed, characterized by a small plant form, early flowering, smaller leaves, mildew resistance and abundant red-purple colored flowers, maturing to white. The new variety is a Physocarpus , normally produced as an outdoor garden or container plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Physocarpus plant named ‘SMNPOTWG’ as herein illustrated and described.
Read the full patent: US Plant Patent PP28857 in full — the complete specification, every figure, and the file history.