US Plant Patent PP20638
Evipo039
Clematis plant named ‘Evipo039’
UNDER PATENT
Still under patent. Protection ends January 25, 2028.
Twenty years from the filing date would end on November 29, 2027. This patent earned 57 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20638
- Filed
- November 29, 2007
- Granted
- January 12, 2010
- Expires
- January 25, 2028
- Assignee
- EVISON RAYMOND, OLESEN MOGENS N
- Inventor
- OLESEN MOGENS N; EVISON RAYMOND
Abstract
A new Clematis plant with profuse, light violet flowers and early flowering habit. The variety successfully propagates from softwood cuttings and is suitable for cultivation commercial nursery culture culture. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation from vegetative cuttings.
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 clematis plant named ‘Evipo039’, substantially as described and illustrated, due to its abundant light violet flowers, vigorous and compact growth, early flowering habit, suitability for commercial nursery container production from soft wood cuttings, durable flowers and foliage which make the variety suitable for distribution in the nursery industry.
Read the full patent: US Plant Patent PP20638 in full — the complete specification, every figure, and the file history.