US Plant Patent PP32783
VOLTURNIS
Grapevine plant named ‘VOLTURNIS’
UNDER PATENT
Still under patent. Protection ends November 23, 2039.
Twenty years from the filing date would end on November 12, 2039. This patent earned 11 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP32783
- Filed
- November 12, 2019
- Granted
- February 2, 2021
- Expires
- November 23, 2039
- Inventor
- CASTELLARIN SIMONE DIEGO; CIPRIANI GUIDO; DI GASPERO GABRIELE; MORGANTE MICHELE; PETERLUNGER ENRICO; TESTOLIN RAFFAELE
Abstract
A new grape variety distinguished by its high vigour with a semi-erect growth habit, low-medium blistering of the upper side of the leaf blade, circular shaped leaves, fruit clusters of medium or medium-large bunch density with 3-4 wings, medium harvesting time (early September in northeastern Italy), and resistance to downy mildew.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct variety of Vitis vinifera L. plant substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP32783 in full — the complete specification, every figure, and the file history.