US Plant Patent PP16793
JMAY03
Chrysanthemum plant named ‘JMAY03’
PUBLIC DOMAIN
Patent expired February 19, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 18, 2025. This patent earned 32 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16793
- Filed
- January 18, 2005
- Granted
- July 11, 2006
- Expires
- February 19, 2025
- Assignee
- MAY GREENHOUSES INC
- Inventor
- MAY JAMES; MARTINEZ GERARDO
Abstract
A new and distinct Chrysanthemum plant cultivar is disclosed, characterized by having large daisy-form flowers with golden yellow ray florets and very good floral longevity. The plant has strong stems and a strong, spreading growth habit and slightly sparse foliage.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Chrysanthemum plant as herein illustrated and described.
Read the full patent: US Plant Patent PP16793 in full — the complete specification, every figure, and the file history.