US Plant Patent PP19911
Sheegene-11
Grapevine (Sheegene-11)
UNDER PATENT
Still under patent. Protection ends January 31, 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
- PP19911
- Filed
- January 31, 2008
- Granted
- April 14, 2009
- Expires
- January 31, 2028
- Assignee
- SHEEHAN TIMOTHY P
- Inventor
- SHEEHAN TIMOTHY P
Abstract
A new and distinct variety of grapevine characterized by the production of large, green-colored seedless grapes that have a muscat flavor and mature in mid to late July, approximately two to three weeks earlier than Thompson Seedless (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 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-11 and parts thereof, substantially as illustrated and described, characterized principally by its production of large, green-colored seedless grapes that have a muscat flavor and mature approximately two to three weeks earlier in the season of ripening than does Thompson Seedless (unpatented) which it resembles.
Read the full patent: US Plant Patent PP19911 in full — the complete specification, every figure, and the file history.