US Plant Patent PP28022
SAUVIGNON RYTOS
Grapevine named ‘SAUVIGNON RYTOS’
UNDER PATENT
Still under patent. Protection ends March 26, 2035.
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
- PP28022
- Filed
- March 26, 2015
- Granted
- May 16, 2017
- Expires
- March 26, 2035
- Inventor
- CASTELLARIN SIMONE DIEGO; CIPRIANI GUIDO; GASPERO Gabriele DI; MORGANTE MICHELE; PETERLUNGER ENRICO; TESTOLIN RAFFAELE
Abstract
A new and distinct variety of grapevine named ‘SAUVIGNON RYTOS’, primarily adapted to the growing conditions of the temperate regions, and characterized by its medium vigor; semi-erect growth habit; wedge-shaped leaves with medium texture; small cylindrical shaped green-yellow berry clusters with a golden nuance on the sunny side of the berries; early maturing, soft berry flesh with no coloration and neutral taste primarily for winemaking; and resistance to winter temperatures (to −23° C.), resistance to downy mildew and tolerance to powdery mildew.
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 grapevine, referred to as ‘SAUVIGNON RYTOS’, as herein described and illustrated by the characteristics set forth above.
Read the full patent: US Plant Patent PP28022 in full — the complete specification, every figure, and the file history.