US Plant Patent PP26120
Osage
Blackberry plant named ‘Osage’
UNDER PATENT
Still under patent. Protection ends October 16, 2033.
Twenty years from the filing date would end on July 11, 2033. This patent earned 97 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26120
- Filed
- July 11, 2013
- Granted
- November 24, 2015
- Expires
- October 16, 2033
- Assignee
- UNIV ARKANSAS
- Inventor
- CLARK JOHN REUBEN
Abstract
Description and specifications of a new and distinct blackberry cultivar named ‘Osage’ which originated from seed produced by a hand pollinated cross of Ark. Selection ‘A-1719T’ (non-patented, unreleased genotype)בA-2108T’ (non-patented, unreleased genotype) is provided. This new blackberry cultivar can be distinguished by its excellent flavor, thornless canes, even drupelet fill and lack of white drupelets on berries, medium berry size, excellent postharvest storage potential, mid-early season ripening, high yields and healthy plants.
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 ‘Osage,’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP26120 in full — the complete specification, every figure, and the file history.