US Plant Patent PP22336
Chrysanthemum plant named Zanmufay
UNDER PATENT
Still under patent. Protection ends February 4, 2030.
Twenty years from the filing date would end on December 3, 2029. This patent earned 63 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP22336
- Filed
- December 3, 2009
- Granted
- December 13, 2011
- Expires
- February 4, 2030
- Inventor
- BLOM WILHELMUS BERNARDUS
No cultivar name of record
This patent does not name the plant, which is unusual for its date — by the mid-1990s nearly every plant patent carried a cultivar name. The grant identifies this one by its number and by a written description instead.
Nothing here is missing from our records: the patent itself states no name. Where one exists we show it, and we do not invent one.
Abstract
A chrysanthemum plant named ‘Zanmufay’ characterized by its medium sized blooms with bronze ray florets and prolific branching; natural season flower date October 12-16; blooming for a period of 4 weeks.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct chrysanthemum plant named ‘Zanmufay’ as described and illustrated.
Read the full patent: US Plant Patent PP22336 in full — the complete specification, every figure, and the file history.