US Plant Patent PP23534
Angel of Charm
Dianthus plant named ‘Angel of Charm’
UNDER PATENT
Still under patent. Protection ends June 3, 2031.
Twenty years from the filing date would end on April 29, 2031. This patent earned 35 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23534
- Filed
- April 29, 2011
- Granted
- April 16, 2013
- Expires
- June 3, 2031
- Assignee
- HAMMETT KEITH RICHARD WILLIAM
- Inventor
- HAMMETT KEITH RICHARD WILLIAM
Abstract
A new cultivar of Dianthus plant named ‘Angel of Charm’ that is characterized by a compact habit and a large number of flowers having red petals with a center white marking and pink margins.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Dianthus plant named ‘Angel of Charm’ as described and illustrated.
Read the full patent: US Plant Patent PP23534 in full — the complete specification, every figure, and the file history.