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US Plant Patent PP20181

Primadonna

Southern Highbush Blueberry plant named ‘Primadonna’

UNDER PATENT

Still under patent. Protection ends November 1, 2027.

Twenty years from the filing date would end on November 30, 2025. This patent earned 701 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP20181, the photograph of Primadonna printed in the patent.
Figure 1 from US Plant Patent PP20181, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP20181
Filed
November 30, 2005
Granted
July 21, 2009
Expires
November 1, 2027
Assignee
FLORIDA FOUND SEED PRODUCERS INC
Inventor
LYRENE PAUL M

Abstract

A new and distinct low-chill southern highbush ( Vaccinium corymbosum ) cultivar. Its novelty lies in the following unique combination of features: 1. Has a low chilling requirement. 2. Has a vigorous bush, between upright and spreading. 3. Produces large berries with excellent scar and firmness. 4. Ripens the first 25% of its berries by April 12 in north Florida in an average year.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct southern highbush blueberry plant, substantially as illustrated and described, characterized by a vigorous, low-chill bush that produces large berries with excellent scar and firmness during April in north Florida.

Read the full patent: US Plant Patent PP20181 in full — the complete specification, every figure, and the file history.