US Plant Patent PP16713
Sunviolamari
Viola plant named ‘Sunviolamari’
PUBLIC DOMAIN
Patent expired January 9, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 27, 2024. This patent earned 104 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16713
- Filed
- September 27, 2004
- Granted
- June 27, 2006
- Expires
- January 9, 2025
- Assignee
- SUNTORY FLOWERS LTD
- Inventor
- MIYAZAKI KIYOSHI; TAKAMURA NAOTO
Abstract
Disclosed herein is a new and distinct variety of Viola cornuta, named ‘Sunviolamari’. This new variety has a spreading growth habit with long prostrate stems. This Viola plant has many branches, and a great profusion of blooms with the entire plant remaining in bloom for a considerable period of time. It displays dense green foliage, single medium-sized violet-blue flowers having some graduation of color intensity on the long peduncles. The flowers have a faint and sweet scent. The plant exhibits good resistance to rain, cold, disease and pests.
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 Viola cornuta plant named ‘Sunviolamari’, substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP16713 in full — the complete specification, every figure, and the file history.