US Plant Patent PP23483
Fire and Ice
Dianthus plant named ‘Fire and Ice’
UNDER PATENT
Still under patent. Protection ends September 25, 2031.
Twenty years from the filing date would end on July 12, 2031. This patent earned 75 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23483
- Filed
- July 12, 2011
- Granted
- March 19, 2013
- Expires
- September 25, 2031
- Assignee
- WALTERS GARDENS INC, HURD KEVIN A
- Inventor
- HURD KEVIN A
Abstract
A new and unique cultivar of perennial plant Carnation or Pinks, Dianthus plant named ‘Fire and Ice’ with long-blooming, fragrant, single flowers, with overlapping petals of deep raspberry with irregular fine flecks of pink and up to two larger pink spots. The petals have a margin of light pink becoming nearly white. Dianthus ‘Fire and Ice’ is tolerant of high temperatures and resists center die-out.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Dianthus plant named ‘Fire and Ice’ essentially as herein described and illustrated and suitable as a garden ornamental, potted plant and for cut flower arrangements.
Read the full patent: US Plant Patent PP23483 in full — the complete specification, every figure, and the file history.