US Plant Patent PP26251
Mefisto Yellow
Chrysanthemum plant named ‘Mefisto Yellow’
UNDER PATENT
Still under patent. Protection ends May 16, 2034.
Twenty years from the filing date would end on April 25, 2034. This patent earned 21 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26251
- Filed
- April 25, 2014
- Granted
- December 22, 2015
- Expires
- May 16, 2034
- Assignee
- PARATY BVBA, PIETERS DIRK
- Inventor
- PIETERS DIRK
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Mefisto Yellow’, characterized by its upright, outwardly spreading and rounded plant habit; vigorous growth habit; freely branching habit; dense and full plant habit; uniform and freely flowering habit; and decorative-type inflorescences with bright yellow-colored ray florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Chrysanthemum plant named ‘Mefisto Yellow’ as illustrated and described.
Read the full patent: US Plant Patent PP26251 in full — the complete specification, every figure, and the file history.