US Plant Patent PP16454
Syllabub Purple
Chrysanthemum plant named ‘Syllabub Purple’
PUBLIC DOMAIN
Patent expired January 30, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on November 18, 2024. This patent earned 73 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16454
- Filed
- November 18, 2004
- Granted
- April 18, 2006
- Expires
- January 30, 2025
- Assignee
- CLEANGRO LTD
- Inventor
- LINTOTT KEITH G
Abstract
A new variety of Chrysanthemum plant named ‘Syllabub Purple’ having a round, domed capitulum of bright purple, spoon petalled anemone 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 PP16454 in full — the complete specification, every figure, and the file history.