US Plant Patent PP26584
LMR2013
Rhubarb plant named ‘LMR2013’
UNDER PATENT
Still under patent. Protection ends August 14, 2034.
Twenty years from the filing date would end on December 20, 2033. This patent earned 237 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26584
- Filed
- December 20, 2013
- Granted
- April 5, 2016
- Expires
- August 14, 2034
- Assignee
- MONTECUCCO FARMS LLC
- Inventor
- MONTECUCCO EDWARD VIRGIL
Abstract
A new and distinct cultivar of rhubarb, Rheum rhabarbarum , characterized by foliage that doesn't senesce until temperatures get low enough for a hard frost (usually around 25 degrees F.), bright red petioles with excellent flavor and sweetness and vigorous growth.
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 Rheum rhabarbarum plant as herein shown and described.
Read the full patent: US Plant Patent PP26584 in full — the complete specification, every figure, and the file history.