US Plant Patent PP26990
APF-153T
Blackberry plant named ‘APF-153T’
UNDER PATENT
Still under patent. Protection ends March 5, 2035.
Twenty years from the filing date would end on June 3, 2034. This patent earned 275 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26990
- Filed
- June 3, 2014
- Granted
- August 2, 2016
- Expires
- March 5, 2035
- Assignee
- UNIV ARKANSAS
- Inventor
- CLARK JOHN REUBEN
Abstract
Description and specifications of a new and distinct blackberry cultivar named ‘APF-153T’ which originated from seed produced by a hand-pollinated cross of Ark. Selection A-2301T (non-patented, unreleased genotype)×APF-49T (non-patented, unreleased genotype) is provided. This new blackberry cultivar can be distinguished by its very large attractive fruit, very good flavor, excellent plant health, very early ripening, thornless, erect canes and primocane fruiting habit.
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 ‘APF-153T’, substantially as illustrated and described.
Read the full patent: US Plant Patent PP26990 in full — the complete specification, every figure, and the file history.