US Plant Patent PP23540
Plum Crazy
Chrysanthemum plant named ‘Plum Crazy’
UNDER PATENT
Still under patent. Protection ends December 5, 2031.
Twenty years from the filing date would end on March 23, 2031. This patent earned 257 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23540
- Filed
- March 23, 2011
- Granted
- April 16, 2013
- Expires
- December 5, 2031
- Inventor
- PESTEIL CELINE EMMANUELLE VERONIQUE
Abstract
A new variety of Chrysanthemum plant named ‘Plum Crazy’, characterized by its good uniform canopy of dark purple flowers. The new variety has a medium vigor, a free branching and uniform spreading habit, a good foliage presentation and inflorescences week 38 in natural season.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Chrysanthemum plant, substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP23540 in full — the complete specification, every figure, and the file history.