US Plant Patent PP36714
19PaPi-SY
Pistachio hybrid rootstock named ‘19PaPi-SY’
UNDER PATENT
Still under patent. Protection ends December 15, 2043.
Twenty years from the filing date would end on August 4, 2043. This patent earned 133 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP36714
- Filed
- August 4, 2023
- Granted
- June 3, 2025
- Expires
- December 15, 2043
- Assignee
- SIERRA GOLD NURSERIES INC
- Inventor
- STEVENS MICAH; ROBINSON REID; BRANNON CHARLES
Abstract
A new and distinct pistachio tree named ‘19PaPi-SY’ developed for use as a rootstock and notable for its vigor, amenability to in vitro propagation, asphyxia tolerance and compatibility with Pistacia vera scions.
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 pistachio tree named ‘19PaPi-SY’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP36714 in full — the complete specification, every figure, and the file history.