US Plant Patent PP31407
Florida Onyx
Muscadine grape plant named ‘Florida Onyx’
UNDER PATENT
Still under patent. Protection ends September 7, 2038.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP31407
- Filed
- September 7, 2018
- Granted
- January 28, 2020
- Expires
- September 7, 2038
- Assignee
- FLORIDA A&M UNIV
- Inventor
- REN ZHONGBO; LU JIANG; TSOLOVA VIOLETA
Abstract
A new and distinct cultivar of the muscadine grape plant, Vitis rotundifolia Michx., which is highly productive, resistant to Pierce's disease, low fruit ripening rot, and relatively low wet scar. The new and distinct cultivar has a very large deep black-red colored berry with an extremely pleasant fruit flavor. The cultivar has moderate vine growth with high fruit yield, and very good disease resistance. The cultivar also has an extended shelf life.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of muscadine grape plant named ‘Florida Onyx’, substantially as herein described and illustrated.
Read the full patent: US Plant Patent PP31407 in full — the complete specification, every figure, and the file history.