US Plant Patent PP17010

Center Star

Clematis plant named ‘Center Star’

PUBLIC DOMAIN

Patent expired June 12, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on May 17, 2025. This patent earned 26 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17010, the photograph of Center Star printed in the patent. — Figure 1 from US Plant Patent PP17010, 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: PP17010
Filed: May 17, 2005
Granted: August 15, 2006
Expires: June 12, 2025
Assignee: PELLETT HAROLD M
Inventor: PELLETT HAROLD M

Abstract

A new cultivar of hybrid Clematis, ‘Center Star’, characterized by its free-flowering, sterile upward facing blue flowers with showy white centers produced on plants with an upright to decumbent, non-vining habit that exhibit cold hardiness to USDA Zone 3.

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

1. A new and distinct cultivar of Clematis plant named ‘Center Star’ as herein illustrated and described.

Read the full patent: US Plant Patent PP17010 in full — the complete specification, every figure, and the file history.