US Plant Patent PP36322
EviGsy153
Clematis plant named ‘EviGsy153’
UNDER PATENT
Still under patent. Protection ends November 14, 2043.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP36322
- Filed
- November 14, 2023
- Granted
- December 17, 2024
- Expires
- November 14, 2043
- Assignee
- RAYMOND J EVISON LTD
- Inventor
- EVISON RAYMOND J
Abstract
A new cultivar of Clematis plant named ‘EviGsy153’ that is characterized by its flowers that are large in size (up to 24 cm in diameter), its flowers that are white in color with non-prominent brownish red anthers, its repeat flowering; blooming from May through July and re-blooming in late August and September, its thick tepals resulting in long-lasting flowers, its compact plant habit (90 cm to 1.2 m in height), its floriferous blooming habit, its good suitability for use in gardens and in containers and its flowers that initially open slowly and holding its tepals together in a “Champagne Flute” like manner before fully opening; this feature in addition to its thick tepals results in an exceptionally long flower life.
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 Clematis plant named ‘EviGsy153’ as herein illustrated and described.
Read the full patent: US Plant Patent PP36322 in full — the complete specification, every figure, and the file history.