US Plant Patent PP15057
Patterson
Chrysanthemum plant named ‘Patterson’
PUBLIC DOMAIN
Patent expired September 1, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 21, 2022. This patent earned 72 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15057
- Filed
- June 21, 2002
- Granted
- August 3, 2004
- Expires
- September 1, 2022
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- NOODELIJK ROBERT
Abstract
A Chrysanthemum plant named ‘Patterson’ characterized by its medium sized blooms with pale pink ray-florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of chrysanthemum plant as described and illustrated.
Read the full patent: US Plant Patent PP15057 in full — the complete specification, every figure, and the file history.