US Plant Patent PP16589
Hendryetta
Clematis plant named ‘Hendryetta’
PUBLIC DOMAIN
Patent expired December 14, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on August 10, 2024. This patent earned 126 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16589
- Filed
- August 10, 2004
- Granted
- May 30, 2006
- Expires
- December 14, 2024
- Assignee
- SNOEIJER WIM
- Inventor
- SNOEIJER WIM
Abstract
A new cultivar of Clematis named ‘Hendryetta’ that is characterized by a low growing, upright, semi-climbing habit, symmetrical light purple flowers which are fragrant, and medium to dark-green foliage. In combination these traits set ‘Hendryetta’ apart from all other existing varieties of Clematis known to the inventor.
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 ‘Hendryetta’ as described and illustrated.
Read the full patent: US Plant Patent PP16589 in full — the complete specification, every figure, and the file history.