US Plant Patent PP23395
AUSquirk
Rosa hybrida shrub named ‘AUSquirk’
UNDER PATENT
Still under patent. Protection ends June 17, 2031.
Twenty years from the filing date would end on March 14, 2031. This patent earned 95 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23395
- Filed
- March 14, 2011
- Granted
- February 19, 2013
- Expires
- June 17, 2031
- Assignee
- DAVID AUSTIN ROSES LTD, AUSTIN DAVID C H
- Inventor
- AUSTIN DAVID C H
Abstract
A variety of rose plant of the shrub class, named ‘AUSquirk’. The ‘AUSquirk’ rose is a plant having rosette-shaped white blooms, very bushy growth, matt green foliage, a long flowering season and being particularly disease resistant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of rose plant of the shrub class suitable for repeat flower production, substantially as herein shown and described.
Read the full patent: US Plant Patent PP23395 in full — the complete specification, every figure, and the file history.