US Plant Patent PP25913
IFG Eighteen
Grapevine ‘IFG Eighteen’
UNDER PATENT
Still under patent. Protection ends May 1, 2034.
Twenty years from the filing date would end on January 22, 2034. This patent earned 99 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25913
- Filed
- January 22, 2014
- Granted
- September 22, 2015
- Expires
- May 1, 2034
- Assignee
- CAIN DAVID, INTERNAT FRUIT GENETICS LLC
- Inventor
- CAIN DAVID
Abstract
This invention is a new and distinct grapevine variety denominated ‘IFG Eighteen’. The new grapevine is characterized by producing obtuse ovate grapes ripening in mid to late season and which have red skin color, medium firm texture and pronounced muscat flavor. The fruit stores and ships well and fruits retain their muscat flavor well during cold storage.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed: 1. A new and distinct variety of grapevine as herein illustrated and described.
Read the full patent: US Plant Patent PP25913 in full — the complete specification, every figure, and the file history.