US Plant Patent PP34211
Sheegene 28
Grapevine plant named ‘Sheegene 28’
UNDER PATENT
Still under patent. Protection ends March 10, 2041.
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
- PP34211
- Filed
- March 10, 2021
- Granted
- May 10, 2022
- Expires
- March 10, 2041
- Assignee
- SHEEHAN GENETICS LLC
- Inventor
- SHEEHAN TIMOTHY P
Abstract
‘Sheegene 28’ is a new and distinct grapevine plant with novel characteristics that include small to medium-sized green (2.5 GY 8/8) seedless grape with a very good flavor for use as a table grape and in raisin production. The ‘Sheegene 28’ harvesting period for fresh fruit is the third week of June while the harvesting period for raisins is mid- to late-July, in the San Joaquin Valley of California.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of grapevine called ‘Sheegene 28’ as shown and described herein.
Read the full patent: US Plant Patent PP34211 in full — the complete specification, every figure, and the file history.