US Plant Patent PP28369
Columbia Giant
Blackberry plant named ‘Columbia Giant’
UNDER PATENT
Still under patent. Protection ends October 22, 2035.
Twenty years from the filing date would end on September 28, 2035. This patent earned 24 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28369
- Filed
- September 28, 2015
- Granted
- September 12, 2017
- Expires
- October 22, 2035
- Assignee
- US AGRICULTURE
- Inventor
- FINN CHAD E
Abstract
A new and distinct blackberry cultivar that originated from seed produced from a cross between the female blackberry plant ‘NZ 9629-1’ (unpatented) and the male parent blackberry plant ‘ORUS 1350-2’ (unpatented). This new blackberry cultivar can be distinguished by its high yields of extremely large and very uniformly shaped berries with very good firmness, color, and flavor and that are borne on vigorous, completely thornless trailing 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, substantially as illustrated and described, characterized by its high yields of extremely large and very uniformly shaped berries with very good firmness, color, and flavor and that are borne on vigorous, completely thornless trailing plants.
Read the full patent: US Plant Patent PP28369 in full — the complete specification, every figure, and the file history.