US Plant Patent PP30877
UCB1-D15
Pistachio rootstock named ‘UCB1-D15’
UNDER PATENT
Still under patent. Protection ends December 20, 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
- PP30877
- Filed
- December 20, 2018
- Granted
- September 10, 2019
- Expires
- December 20, 2038
- Assignee
- DUARTE JEFFREY THOMAS, DUARTE JOHN SCOTT
- Inventor
- Sharma Dharam; Ash Kendall; CASTILLON JAVIER
Abstract
Disclosed is a new and distinct variety of pistachio rootstock called ‘UCB1-D15’ characterized in that it has greater rootstock growth, greater scion growth and superior crop yield.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
Having thus described and illustrated the new variety of rootstock, what is claimed as new and desired to be secured by plant letters patent is: 1. A new and distinct variety of pistachio rootstock substantially as illustrated and described called ‘UCB1-D15’ characterized in that, when compared to the industry standard ‘UCB1-D1’ rootstock, it has greater rootstock growth, greater scion growth and superior crop yield.
Read the full patent: US Plant Patent PP30877 in full — the complete specification, every figure, and the file history.