US Plant Patent PP17012
Cleminov 51
Clematis plant named ‘Cleminov 51’
PUBLIC DOMAIN
Patent expired January 11, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on December 17, 2024. This patent earned 25 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17012
- Filed
- December 17, 2004
- Granted
- August 15, 2006
- Expires
- January 11, 2025
- Assignee
- AGRI OBTENTIONS S A
- Inventor
- ARENE-QUERARD LAURENCE
Abstract
A new and distinct variety of Clematis plant is provided that is the product of a controlled breeding program. Attractive purple flowers are formed on a substantially continuous basis over an extended period of time. The growth habit is compact and bushy and the plant well resists wilting and withering. The plant can be readily propagated by the use of cuttings and can be grown to advantage to provide colorful ornamentation in the landscape and in pots.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Clematis plant that exhibits the following combination of characteristics: (a) exhibits a compact and bushy growth habit, (b) forms in abundance on a substantially continuous basis over an extended period of time attractive purple flowers, and (c) readily can be propagated by the use of cuttings; substantially as illustrated and described.
Read the full patent: US Plant Patent PP17012 in full — the complete specification, every figure, and the file history.