US Plant Patent PP31042
OR91331
Hop plant named ‘OR91331’
UNDER PATENT
Still under patent. Protection ends December 28, 2037.
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
- PP31042
- Filed
- December 28, 2017
- Granted
- November 12, 2019
- Expires
- December 28, 2037
- Assignee
- UNIV OREGON STATE
- Inventor
- TOWNSEND MICHAEL SHAUN
Abstract
A new and distinct Hop plant cultivar named ‘OR91331’ is disclosed, characterized by having an early mature date, resistance to downy mildew (Pseudoperonospora humuli [Miyabe & Takah.] G. W. Wilson) and powdery mildew (Podosphaera macularis [Wallr.] U. Braun & S. Takam); vigorous with high yield potential; high alpha acids; high oil content; and high amounts of some essential oil components implicated in driving beer flavor and aroma such as myrcene, cymene, methyl heptanoate, linalool, citronellol, and terpineol.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of hop plant, substantially as herein shown and described.
Read the full patent: US Plant Patent PP31042 in full — the complete specification, every figure, and the file history.