US Plant Patent PP25921
Evipo053
Clematis plant named ‘Evipo053’
UNDER PATENT
Still under patent. Protection ends October 31, 2033.
Twenty years from the filing date would end on June 14, 2033. This patent earned 139 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25921
- Filed
- June 14, 2013
- Granted
- September 22, 2015
- Expires
- October 31, 2033
- Inventor
- OLESEN MOGENS NYEGAARD; EVISON RAYMOND J
Abstract
A new Clematis plant with a compact growth habit, profuse, Violet-Blue flowers, and continuous summer flowering. The variety successfully propagates from softwood cuttings and is suitable for cultivation 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 ‘Evipo053’, substantially as described and illustrated herein, due to its abundant Violet-Blue flowers with good keepability, attractive foliage, compact growth, suitability for production from softwood cuttings in pots, which make the variety suitable for distribution in the floral industry.
Read the full patent: US Plant Patent PP25921 in full — the complete specification, every figure, and the file history.