US Plant Patent PP16231
Allegro Jazz
Chrysanthemum plant named ‘Allegro Jazz’
PUBLIC DOMAIN
Patent expired January 25, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 24, 2023. This patent earned 93 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16231
- Filed
- October 24, 2003
- Granted
- February 7, 2006
- Expires
- January 25, 2024
- Assignee
- CLEANGRO LTD
- Inventor
- LINTOTT KEITH G
Abstract
A new variety of Chrysanthemum plant named ‘Allegro Jazz’ having a good uniform canopy of bright purple decorative flowers. The new variety has medium vigor, a free branching and uniform spreading habit, and good foliage presentation.
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 PP16231 in full — the complete specification, every figure, and the file history.