US Plant Patent PP19249
Red Romance
Dianthus plant named ‘Red Romance’
UNDER PATENT
Still under patent. Protection ends October 17, 2027.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP19249
- Filed
- October 17, 2007
- Granted
- September 16, 2008
- Expires
- October 17, 2027
- Assignee
- CLIFFORD JOHN K, CLIFFORD KEN J
- Inventor
- CLIFFORD JOHN K; CLIFFORD KEN J
Abstract
A new cultivar of Dianthus barbatus, ‘Red Romance’, a sport of Dianthus barbatus ‘Heart Attack’, characterized by its bright strawberry red flowers held on sturdy stems, its clean, deep green foliage, its perennial plant habit, and its vigorous growth habit.
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 barbatus plant named ‘Red Romance’ as herein illustrated and described.
Read the full patent: US Plant Patent PP19249 in full — the complete specification, every figure, and the file history.