US Plant Patent PP21356
LB8-9
Mandarin tree named ‘LB8-9’
UNDER PATENT
Still under patent. Protection ends December 5, 2028.
Twenty years from the filing date would end on November 17, 2028. This patent earned 18 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21356
- Filed
- November 17, 2008
- Granted
- October 5, 2010
- Expires
- December 5, 2028
- Assignee
- FLORIDA FOUND SEED PRODUCERS INC
- Inventor
- GMITTER JR FREDERICK G; CASTLE WILLIAM S; GROSSER JUDE W
Abstract
A new Mandarin hybrid tree particularly distinguished by having dense foliage, “wilted-leaf” appearance, fruit that is attractive in appearance with excellent eating quality, and upright, vigorous plant habit, obloid tree shape and matures early in central Florida, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Mandarin tree as shown and described herein.
Read the full patent: US Plant Patent PP21356 in full — the complete specification, every figure, and the file history.