US Plant Patent PP34701
Evipo104
Clematis plant named ‘Evipo104’
UNDER PATENT
Still under patent. Protection ends October 20, 2041.
Twenty years from the filing date would end on September 7, 2041. This patent earned 43 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP34701
- Filed
- September 7, 2021
- Granted
- November 1, 2022
- Expires
- October 20, 2041
- Inventor
- OLESEN MOGENS NYEGAARD; EVISON RAYMOND J
Abstract
A new Clematis plant with a compact growth habit, profuse, purple flowers, and continuous summer flowering. The variety successfully propagates from softwood cuttings and is suitable for cultivation in commercial nursery 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.
We claim: 1. A new and distinct variety of Clematis plant named ‘Evipo104’, substantially as described and illustrated, due to its abundant purple flowers with good keepability, 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 PP34701 in full — the complete specification, every figure, and the file history.