US Plant Patent PP25581
Lissvery
Perovskia plant named ‘Lissvery’
UNDER PATENT
Still under patent. Protection ends May 21, 2033.
Twenty years from the filing date would end on April 23, 2033. This patent earned 28 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25581
- Filed
- April 23, 2013
- Granted
- May 26, 2015
- Expires
- May 21, 2033
- Assignee
- CATT PETER
- Inventor
- CATT PETER
Abstract
A new cultivar of Perovskia plant named ‘LISSVERY’, characterized by its plant habit that is compact and bushy during early growth and becoming erect at flowering, its wide lanceolate shaped leaves with margins that have shallow dissections, its foliage that is light sage green when young and matures to a silvery-pale green, its stiff flowering stems that are held upright with short internodes, and its violet blue flowers with distinct calyces that are showy after petal drop.
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 variety of Perovskia plant named ‘LISSVERY’ as described and illustrated herein.
Read the full patent: US Plant Patent PP25581 in full — the complete specification, every figure, and the file history.