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The Patent Garden

US Plant Patent PP18760

Wonderful Wampee

Achillea plant named ‘Wonderful Wampee’

UNDER PATENT

Still under patent. Protection ends September 12, 2026.

Twenty years from the filing date would end on February 7, 2026. This patent earned 217 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18760, the photograph of Wonderful Wampee printed in the patent.
Figure 1 from US Plant Patent PP18760, 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
PP18760
Filed
February 7, 2006
Granted
April 29, 2008
Expires
September 12, 2026
Inventor
ZWAAN MICHIEL

Abstract

A new cultivar of Achillea millefolium, ‘Wonderful Wampee’, characterized by it long blooming habit, its vigorous growth habit, its compact growth habit and its bright clear pink flowers that fade to a light pink with consistent bloom color throughout the plant.

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 Achillea plant named ‘Wonderful Wampee’ as herein illustrated and described.

Read the full patent: US Plant Patent PP18760 in full — the complete specification, every figure, and the file history.