US Plant Patent PP25434
IFG Sixteen
Grapevine ‘IFG Sixteen’
UNDER PATENT
Still under patent. Protection ends October 17, 2033.
Twenty years from the filing date would end on May 24, 2033. This patent earned 146 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25434
- Filed
- May 24, 2013
- Granted
- April 14, 2015
- Expires
- October 17, 2033
- Assignee
- CAIN DAVID, INTERNAT FRUIT GENETICS LLC
- Inventor
- CAIN DAVID
Abstract
This invention is a new and distinct grapevine variety denominated ‘IFG Sixteen’. The new grapevine is characterized by producing naturally large, ovate to slightly elongated ovate, black seedless berries which are medium firm in texture and ripen late in the growing season. Fruits normally ripen mid to late September near Delano, Calif.
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 PP25434 in full — the complete specification, every figure, and the file history.