US Plant Patent PP20110
Sheegene-13
Grapevine ‘Sheegene-13’
UNDER PATENT
Still under patent. Protection ends August 30, 2027.
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
- PP20110
- Filed
- August 30, 2007
- Granted
- June 23, 2009
- Expires
- August 30, 2027
- Assignee
- SHEEHAN TIMOTHY P
- Inventor
- SHEEHAN TIMOTHY P
Abstract
A new and distinct variety characterized by the large, red-colored seedless grapes that ripen in late August to early September, approximately six weeks later than the Flame Seedless Grape (unpatented) when grown in the San Joaquin Valley of Central California. The grapes of this new variety are produced on strong woody stems and branches and are well adapted to commercial harvesting.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new variety of grapevine to be known as ‘Sheegene-13’, substantially as illustrated and described, characterized principally by its production of large, red-colored seedless grapes, that mature approximately six weeks later in the season of ripening that does the Flame Seedless Grape (unpatented) that it closely resembles.
Read the full patent: US Plant Patent PP20110 in full — the complete specification, every figure, and the file history.