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US Plant Patent PP18175

Power Yellow

Chrysanthemum plant named ‘Power Yellow’

PUBLIC DOMAIN

Patent expired June 3, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on May 30, 2026. 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 PP18175, the photograph of Power Yellow printed in the patent.
Figure 1 from US Plant Patent PP18175, 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
PP18175
Filed
May 30, 2006
Granted
October 30, 2007
Expires
June 3, 2026
Assignee
WILLY S GREENHOUSE LTD
Inventor
VAN SPRONSEN STEVEN

Abstract

A new cultivar of Chrysanthemum , ‘Power Yellow’, characterized by it's early and free flowering habit, its daisy-type inflorescences with yellow ray florets and bright yellow disk florets, its vigorous freely branched growth habit, its small leaved dark green foliage and its uniform, rounded and outward spreading plant habit.

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 Chrysanthemum plant named ‘Power Yellow’ as herein illustrated and described.

Read the full patent: US Plant Patent PP18175 in full — the complete specification, every figure, and the file history.