US Plant Patent PP15525
Sizzleness Yellow
Chrysanthemum plant named ‘Sizzleness Yellow’
PUBLIC DOMAIN
Patent expired May 13, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 10, 2024. This patent earned 3 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15525
- Filed
- May 10, 2004
- Granted
- February 1, 2005
- Expires
- May 13, 2024
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- BOEDER MARK ROLAND
Abstract
A chrysanthemum plant named ‘Sizzleness Yellow’ characterized by its medium decorative infloresences with elongated quilled purple/yellow ray-florets, with a response time of 52 days.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of chrysanthemum plant as described and illustrated.
Read the full patent: US Plant Patent PP15525 in full — the complete specification, every figure, and the file history.