US Plant Patent PP33140
A-2491T
Blackberry plant named ‘A-2491T’
UNDER PATENT
Still under patent. Protection ends December 22, 2039.
Twenty years from the filing date would end on December 18, 2039. This patent earned 4 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP33140
- Filed
- December 18, 2019
- Granted
- June 8, 2021
- Expires
- December 22, 2039
- Assignee
- UNIV ARKANSAS
- Inventor
- CLARK JOHN R
Abstract
Description and specifications of a new and distinct cultivar of blackberry plant named ‘A-2491T’ that resulted from a hand-pollinated cross of ‘APF-46’ (non-patented, unreleased genotype) x ‘Natchez’ (U.S. Plant Pat. No. 20,891). This new cultivar of blackberry plant can be distinguished by its large berries with very good sub-acid fruit flavor, overall high fruit quality with excellent postharvest fruit-handling potential, early season ripening, consistent high yields, and excellent plant health.
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 blackberry plant named ‘A-2491T’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP33140 in full — the complete specification, every figure, and the file history.