US Plant Patent PP28933
DrisBlueFifteen
Blueberry plant variety named ‘DrisBlueFifteen’
UNDER PATENT
Still under patent. Protection ends July 19, 2036.
Twenty years from the filing date would end on July 13, 2036. This patent earned 6 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28933
- Filed
- July 13, 2016
- Granted
- February 6, 2018
- Expires
- July 19, 2036
- Assignee
- DRISCOLLS INC
- Inventor
- CASTER BRIAN K; DRAPER ARLEN; IZZO JENNIFER K
Abstract
A new and distinct variety of blueberry plant named ‘DrisBlueFifteen’ particularly distinguished by producing later fruit having skin without bloom on immature fruit that is greyed-purple in color, skin without bloom on mature fruit that is dark blue in color, and skin with bloom on mature fruit that is light violet-blue in color, post-harvest fruit that can be stored for two weeks without a significant deterioration in quality, and having a plant with an average height of 138.4 cm, an average width of 185.5 cm, and a semi-erect growth habit, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of blueberry plant designated ‘DrisBlueFifteen’ as shown and described herein.
Read the full patent: US Plant Patent PP28933 in full — the complete specification, every figure, and the file history.