US Plant Patent PP35804
Zo18197
Clematis plant named ‘Zo18197’
UNDER PATENT
Still under patent. Protection ends July 22, 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
- PP35804
- Filed
- July 22, 2023
- Granted
- May 14, 2024
- Expires
- July 22, 2043
- Assignee
- J VAN ZOEST BEHEER B V, VAN ZOEST JOS
- Inventor
- VAN ZOEST JOS
Abstract
A new cultivar of hybrid Clematis plant named ‘Zo18197’ that is characterized by its floriferous and long blooming habit; June to September in The Netherlands, its flowers on young plants that appear from the base to the top of the plant, its dark grey-green anthers, and its flowers that are deep violet-blue in color with an axillary central band on each tepal that is slightly lighter in color.
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 ‘Zo18197’ as herein illustrated and described.
Read the full patent: US Plant Patent PP35804 in full — the complete specification, every figure, and the file history.