US Plant Patent PP14780
Driscoll Cowles
Blackberry plant named ‘Driscoll Cowles’
PUBLIC DOMAIN
Patent expired November 27, 2022. This plant is in the public domain — anyone may propagate and sell it.
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
- PP14780
- Filed
- November 27, 2002
- Granted
- May 11, 2004
- Expires
- November 27, 2022
- Assignee
- DRISCOLL STRAWBERRY ASS INC
- Inventor
- FEAR CARLOS D; SILLS GAVIN; COOK FRED M; HARRISON RICHARD E
Abstract
The present invention relates to a new and distinct cultivar of blackberry plant named Driscoll Cowles. The new cultivar is distinguished from other blackberry cultivars by its mid-late season crop, large fruit size and thornless canes. Driscoll Cowles produces fruit with improved quality and shipping characteristics. The new cultivar is distinguished from its seed parent by having larger fruit; it is distinguished from its pollen parent by its larger, better flavored fruit.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinctive cultivar of blackberry plant, substantially as shown and described.
Read the full patent: US Plant Patent PP14780 in full — the complete specification, every figure, and the file history.