US Plant Patent PP16989
APF-12
Blackberry—APF-12 cultivar
PUBLIC DOMAIN
Patent expired June 15, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 30, 2024. This patent earned 77 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16989
- Filed
- March 30, 2004
- Granted
- August 15, 2006
- Expires
- June 15, 2024
- Assignee
- UNIV ARKANSAS DIVISION OF AGRI
- Inventor
- CLARK JOHN REUBEN; MOORE JAMES NORMAN
Abstract
Description and specifications of a new and distinct blackberry variety which originated from seed produced by a a hand pollinated cross of Arapaho (U.S. Plant Pat. No. 8,510)×Arkansas selection 830 is provided. This new blackberry variety can be distinguished by its primocane-fruiting habit, potential high yields, medium to large fruit size, and good fruit quality.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of blackberry plant, substantially as illustrated and described, characterized by its primocane-fruiting habit, potential high yields, medium to large fruit size, and good fruit quality.
Read the full patent: US Plant Patent PP16989 in full — the complete specification, every figure, and the file history.