US Plant Patent PP18959
Sheegene-10
Grapevine ‘Sheegene-10’
UNDER PATENT
Still under patent. Protection ends February 20, 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
- PP18959
- Filed
- February 20, 2007
- Granted
- June 17, 2008
- Expires
- February 20, 2027
- Assignee
- SHEEHAN TIMOTHY P
- Inventor
- SHEEHAN TIMOTHY P
Abstract
A new and distinct variety characterized by medium to large, red-colored seedless grapes with a very good flavor that ripen in late July, approximately two 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 branches and stems and are well adapted to commercial handling.
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-10 and parts thereof, substantially as illustrated and described, characterized principally by its production of medium to large, red-colored seedless grapes, that mature approximately two weeks later in the season of ripening than does the Flame Seedless Grape (unpatented) which it resembles.
Read the full patent: US Plant Patent PP18959 in full — the complete specification, every figure, and the file history.