US Plant Patent PP15438
Maia
Chrysanthemum plant named ‘Maia’
PUBLIC DOMAIN
Patent expired January 24, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 14, 2024. This patent earned 10 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15438
- Filed
- January 14, 2004
- Granted
- December 21, 2004
- Expires
- January 24, 2024
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- BOEDER MARK ROLAND
Abstract
A Chrysanthemum plant named 'Maia' characterized by its medium sized blooms with pink ray florets and prolific branching, natural season flower date August 18-23, blooming for a period of 5 weeks.
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 PP15438 in full — the complete specification, every figure, and the file history.