US Plant Patent PP24249
APF-77
Blackberry plant named ‘APF-77’
UNDER PATENT
Still under patent. Protection ends April 5, 2032.
Twenty years from the filing date would end on December 29, 2031. This patent earned 98 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24249
- Filed
- December 29, 2011
- Granted
- February 18, 2014
- Expires
- April 5, 2032
- Assignee
- UNIV ARKANSAS, CLARK JOHN REUBEN
- Inventor
- CLARK JOHN REUBEN
Abstract
Description and specifications of a new and distinct blackberry cultivar named ‘APF-77’ which originated from seed produced by a hand pollinated cross of APF-12 (U.S. Plant Pat. No. 16,989)×Arapaho (U.S. Plant Pat. No. 8,510) is provided. This new blackberry cultivar can be distinguished by its primocane-fruiting trait with attractive, large fruit with excellent flavor, excellent plant health, and erect canes and enhanced performance for fruit set and development in high summer temperatures.
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-77,’ substantially as illustrated and described.
Read the full patent: US Plant Patent PP24249 in full — the complete specification, every figure, and the file history.