US Plant Patent PP17371
Effie
Chrysanthemum plant named ‘Effie’
PUBLIC DOMAIN
Patent expired January 23, 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 9 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17371
- Filed
- January 14, 2004
- Granted
- January 23, 2007
- Expires
- January 23, 2024
- Assignee
- CHRYSANTHEMUM BREEDERS ASS NV
- Inventor
- BOEDER MARK ROLAND
Abstract
A chrysanthemum plant named ‘Effie’ characterized by its medium sized blooms with purple ray florets and yellow center and prolific branching; natural season flower date August 11-15; 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.
1. A new and distinct variety of chrysanthemum plant as described and illustrated.
Read the full patent: US Plant Patent PP17371 in full — the complete specification, every figure, and the file history.