US Plant Patent PP26243
Lipstick
Lychnis plant named ‘Lipstick’
UNDER PATENT
Still under patent. Protection ends May 15, 2034.
Twenty years from the filing date would end on March 3, 2034. This patent earned 73 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26243
- Filed
- March 3, 2014
- Granted
- December 15, 2015
- Expires
- May 15, 2034
- Assignee
- PROBST DARRELL R
- Inventor
- PROBST DARRELL R
Abstract
A new cultivar of Lychnis , ‘Lipstick’, characterized by its sturdy and well-branched erect stems up to 45 cm in height, its large flowers that are red in color, its red flowers that are large in comparison to the species, its foliage that is red-purple in color when young and mature to dark green suffused with purple with the purple coloration maintained well into the season, its long-lived habit and its reliable cold hardiness at least to U.S.D.A. Zone 5.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Lychnis plant named ‘Lipstick’ as herein illustrated and described.
Read the full patent: US Plant Patent PP26243 in full — the complete specification, every figure, and the file history.