US Plant Patent PP25180
ET-LIR 1
Liriope plant named ‘ET-LIR 1’
UNDER PATENT
Still under patent. Protection ends May 13, 2033.
Twenty years from the filing date would end on February 21, 2033. This patent earned 81 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25180
- Filed
- February 21, 2013
- Granted
- December 16, 2014
- Expires
- May 13, 2033
- Assignee
- ETERNAL PLANT BOIJL B V, NOORDHUIS BART
- Inventor
- NOORDHUIS BART
Abstract
A new and distinct cultivar of Liriope plant named ‘ET-LIR 1’, characterized by its upright to outwardly arching plant habit with long, strong, upright flowering stems; freely flowering habit; large dark violet-colored flowers; good garden performance; and winter hardiness.
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 Liriope plant named ‘ET-LIR 1’ as illustrated and described.
Read the full patent: US Plant Patent PP25180 in full — the complete specification, every figure, and the file history.