US Plant Patent PP15093
EVIrida
Clematis plant named ‘EVIrida’
PUBLIC DOMAIN
Patent expired January 14, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on May 22, 2021. This patent earned 237 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15093
- Filed
- May 22, 2001
- Granted
- August 24, 2004
- Expires
- January 14, 2022
- Inventor
- EVISON RAYMOND J; OLESEN MOGENS
Abstract
A new evergreen Clematis cultivar which has long continuous flowering season over which it produces attractive white flowers with a hint of green and a green center. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual 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, substantially as herein illustrated and described, as a distinct and novel Clematis variety due to its abundant white flowers, excellent flower longevity, long recurrent flowering period from early summer through autumn, and compact growth making it suitable for nursery production in containers.
Read the full patent: US Plant Patent PP15093 in full — the complete specification, every figure, and the file history.