US Plant Patent PP16903
Calabria Major
Chrysanthemum plant named ‘Calabria Major’
PUBLIC DOMAIN
Patent expired May 21, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 9, 2025. This patent earned 101 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16903
- Filed
- February 9, 2005
- Granted
- August 1, 2006
- Expires
- May 21, 2025
- Assignee
- CLEANGRO LTD
- Inventor
- LINTOTT KEITH G
Abstract
A new variety of Chrysanthemum named ‘Calabria Major,’ having a slightly domed capitulum of large white decorative type flowers.
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, substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP16903 in full — the complete specification, every figure, and the file history.