US Plant Patent PP33330
Ponca
Blackberry plant named ‘Ponca’
UNDER PATENT
Still under patent. Protection ends May 21, 2040.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP33330
- Filed
- May 21, 2020
- Granted
- August 10, 2021
- Expires
- May 21, 2040
- Assignee
- UNIV ARKANSAS
- Inventor
- CLARK JOHN R
Abstract
Description and specifications of a new and distinct cultivar of blackberry plant named ‘Ponca’ which originated from seed produced by a hand-pollinated cross ‘Ark. 2406’ (a non-patented, unreleased genotype) x ‘Ark. 2253T’ (a non-patented, unreleased genotype). This new cultivar of blackberry plant can be distinguished by its medium size, very firm berries with very sweet, sub-acid flavor, excellent postharvest fruit-handling potential, early season ripening, 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 ‘Ponca’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP33330 in full — the complete specification, every figure, and the file history.