US Plant Patent PP15418
EVIpo015
Clematis plant named ‘EVIpo015’
PUBLIC DOMAIN
Patent expired January 12, 2024. This plant is in the public domain — anyone may propagate and sell it.
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
- PP15418
- Filed
- January 12, 2004
- Granted
- December 14, 2004
- Expires
- January 12, 2024
- Assignee
- POULSEN ROSER AS, RAYMOND J EVISON LTD
- Inventor
- OLESEN MOGENS N; EVISON RAYMOND J
Abstract
A new Clematis plant which is well suited to outdoor and indoor cultural methods, has exceptional tolerance to cold temperatures, displays profuse, light purple flowers, and demonstrates continuous summer flowering. The variety successfully propagates from softwood cuttings under normal glasshouse conditions and is suitable for cultivation in commercial glasshouses. This new and distinct variety has shown to be uniform and stable in the resulting generations from propagation.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct variety of Clematis plant named ‘Evipo015’, as illustrated and described herein as a distinct and novel Clematis variety due to its abundant light purple flowers with good keepability, exceptional cold hardiness, attractive long lasting foliage and compact growth, year round flowering under glasshouse conditions, suitability for production from softwood cuttings in pots, durable flowers and foliage which make the variety suitable for distribution in the floral industry.
Read the full patent: US Plant Patent PP15418 in full — the complete specification, every figure, and the file history.