US Plant Patent PP16398
Chazou
Chrysanthemum plant named ‘Chazou’
PUBLIC DOMAIN
Patent expired June 27, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 31, 2024. This patent earned 88 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16398
- Filed
- March 31, 2004
- Granted
- March 28, 2006
- Expires
- June 27, 2024
- Assignee
- SELECTION NEW PLANT SARL
- Inventor
- CHALLET JEAN-PIERRE
Abstract
A new and distinct Chrysanthemum cultivar is provided that is a whole plant mutation of the ‘Chalunair’ cultivar (U.S. Plant patent application Ser. No. 10/114,956, filed Apr. 4, 2002, now abandoned). The natural flowering time is mid-October. Attractive inflorescences of the spoon-type are formed that display bright red ray florets and yellow disc florets. The growth habit of the plant is rather dense, stocky, compact, and uniform. Elegant medium green foliage with flexible stems is formed. The plant displays good culture regularity and grows well in pots.
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 that displays: (a) a rather dense, stocky, compact and uniform growth habit, (b) forms attractive spoon-type inflorescences with red ray florets and yellow disc florets, (c) forms elegant medium green foliage with flexible stems, and (d) displays good culture regularity and grows well in pots; substantially as illustrated and described.
Read the full patent: US Plant Patent PP16398 in full — the complete specification, every figure, and the file history.