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US Plant Patent PP15594

Barbara Harrington

Clematis plant named ‘Barbara Harrington’

PUBLIC DOMAIN

Patent expired March 19, 2023. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on March 15, 2023. This patent earned 4 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15594, the photograph of Barbara Harrington printed in the patent.
Figure 1 from US Plant Patent PP15594, 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
PP15594
Filed
March 15, 2003
Granted
February 22, 2005
Expires
March 19, 2023
Inventor
HARRINGTON DOMINIC

Abstract

A new cultivar of Clematis named ‘Barbara Harrington’ that is characterized by intense deep purple flowers and a free flowering habit. In combination these traits set ‘Barbara Harrington’ apart from all other existing varieties of Clematis known to the inventor.

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

1. A new and distinct variety of Clematis plant named ‘Barbara Harrington’ as described and illustrated.

Read the full patent: US Plant Patent PP15594 in full — the complete specification, every figure, and the file history.