US Plant Patent PP25466
Solano
Walnut tree named ‘Solano’
UNDER PATENT
Still under patent. Protection ends May 28, 2033.
Twenty years from the filing date would end on November 20, 2032. This patent earned 189 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25466
- Filed
- November 20, 2012
- Granted
- April 28, 2015
- Expires
- May 28, 2033
- Assignee
- UNIV CALIFORNIA
- Inventor
- MCGRANAHAN GALE; LESLIE CHARLES
Abstract
A new and distinct cultivar of walnut tree denominated ‘Solano’ is described. This new cultivar, ‘Solano’, comes into bearing young, with an excellent yield. ‘Solano’ forms jumbo-sized walnuts that possess light-colored kernels with little size variation in a given harvest. ‘Solano’ bears fruit terminally and laterally and yields a crop that can be harvested approximately 2 weeks before ‘Chandler’ (U.S. Plant Pat. No. 4,388). ‘Solano’ is also protandrous, bearing male flowers before female flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What we claim is: 1. A new and distinct cultivar of walnut tree designated ‘Solano’ as shown and described herein.
Read the full patent: US Plant Patent PP25466 in full — the complete specification, every figure, and the file history.