US Plant Patent PP23417
Ben Chaska
Black currant plant named ‘Ben Chaska’
UNDER PATENT
Still under patent. Protection ends October 27, 2031.
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
- PP23417
- Filed
- October 27, 2011
- Granted
- February 26, 2013
- Expires
- October 27, 2031
- Assignee
- BRENNAN REX M, JAMES HUTTON INST
- Inventor
- BRENNAN REX M
Abstract
A new cultivar of Ribes nigrum , ‘Ben Chaska’, characterized by its consistent high yields of fruit, its upright and compact growth habit, its high degree of fruit set, its resistance to white pine blister rust and its suitability for machine harvesting and in having a more compact plant habit, larger berries and earlier fruit ripening than ‘Ben Como’.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Black Currant plant named ‘Ben Chaska’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23417 in full — the complete specification, every figure, and the file history.