US Plant Patent PP31663
Jefmarm
Dasiphora plant named ‘Jefmarm’
UNDER PATENT
Still under patent. Protection ends March 11, 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
- PP31663
- Filed
- March 11, 2019
- Granted
- April 14, 2020
- Expires
- March 11, 2039
- Assignee
- JEFFRIES NURSERIES LTD
- Inventor
- RONALD WILBERT
Abstract
A new cultivar of Dasiphora , ‘Jefmarm’, that is characterized by its double flowers that are yellow with a distinct orange-red tinge, its flowers that fade in hot weather to a dark yellow color, and its extended blooming period.
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 Dasiphora plant named ‘Jefmarm’ as herein illustrated and described.
Read the full patent: US Plant Patent PP31663 in full — the complete specification, every figure, and the file history.