US Plant Patent PP16431
Devon Starling
Dianthus plant named ‘Devon Starling’
PUBLIC DOMAIN
Patent expired November 12, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 12, 2024. This patent earned 123 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16431
- Filed
- July 12, 2004
- Granted
- April 11, 2006
- Expires
- November 12, 2024
- Assignee
- WHETMAN JOHN
- Inventor
- WHETMAN JOHN
Abstract
A new cultivar of Dianthus plant named ‘Devon Starling’ that is characterized by pronounced compact habit, grey-green foliage, and vivid purple flowers. In combination these traits set ‘Devon Starling’ 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 Starling’ as described and illustrated herein.
Read the full patent: US Plant Patent PP16431 in full — the complete specification, every figure, and the file history.