US Plant Patent PP36577
PIHy17EYNem
Prunus hybrid rootstock named ‘PIHy17EYNem’
UNDER PATENT
Still under patent. Protection ends August 6, 2044.
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
- PP36577
- Filed
- August 6, 2024
- Granted
- April 1, 2025
- Expires
- August 6, 2044
- Assignee
- SIERRA GOLD NURSERIES INC
- Inventor
- FLECK CHARLES EDWARD; ROBINSON REID
Abstract
A new and distinct Prunus hybrid tree named ‘PIHy17EYNem’ useful as a rootstock and notable for increased vigor imparted to scions, excellent root strength, tolerance of wet soils and reduced susceptibility to root-and crown-rots caused by Phytophthora species.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct Prunus hybrid tree named ‘PIHy17EYNem’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP36577 in full — the complete specification, every figure, and the file history.