US Plant Patent PP20220

Thirtyone

Primula plant named ‘Thirtyone’

UNDER PATENT

Still under patent. Protection ends January 17, 2028.

Twenty years from the filing date would end on March 30, 2027. This patent earned 293 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP20220, the photograph of Thirtyone printed in the patent. — Figure 1 from US Plant Patent PP20220, 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: PP20220
Filed: March 30, 2007
Granted: August 18, 2009
Expires: January 17, 2028
Assignee: DOC CO LTD
Inventor: MII MASAHIRO; AMANO JUNJI; KATO JUNTARO

Abstract

A new and distinct cultivar of Primula plant named ‘Thirtyone’, characterized by its upright plant habit; vigorous growth habit; freely flowering habit; and light purple-colored flowers that are held above and beyond the foliage on strong peduncles.

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

1. A new and distinct Primula plant named ‘Thirtyone’ as illustrated and described.

Read the full patent: US Plant Patent PP20220 in full — the complete specification, every figure, and the file history.