US Plant Patent PP15903
Devon Flavia
Dianthus plant named ‘Devon Flavia’
PUBLIC DOMAIN
Patent expired June 21, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 22, 2024. This patent earned 91 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15903
- Filed
- March 22, 2004
- Granted
- August 2, 2005
- Expires
- June 21, 2024
- Inventor
- WHETMAN JOHN
Abstract
A new cultivar of Dianthus plant named ‘Devon Flavia’ that is characterized by compact habit, medium-green foliage and fragrant flowers that are pink and reddish purple in color. In combination these traits set ‘Devon Flavia’ apart from all other existing varieties of Dianthus known to the inventor.
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 Dianthus plant named ‘Devon Flavia’ as described and illustrated herein.
Read the full patent: US Plant Patent PP15903 in full — the complete specification, every figure, and the file history.