US Plant Patent PP20292
IFG 31-077
Grapevine ‘IFG 31-077’
UNDER PATENT
Still under patent. Protection ends June 27, 2028.
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
- PP20292
- Filed
- June 27, 2008
- Granted
- September 15, 2009
- Expires
- June 27, 2028
- Assignee
- INTERNAT FRUIT GENETICS LLC
- Inventor
- CAIN DAVID W
Abstract
This invention is a new and distinctive grapevine ‘IFG 31-077’. ‘IFG 31-077’ produces large, elongated, fully black, naturally large seedless fruits that ripen early and possess high sugar content and superior eating quality. The clusters have strong stems with good berry attachment.
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 grapevine plant having the characteristics substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP20292 in full — the complete specification, every figure, and the file history.