US Plant Patent PP26086
C4-15-19
Mandarin tree named ‘C4-15-19’
UNDER PATENT
Still under patent. Protection ends November 5, 2033.
Twenty years from the filing date would end on August 7, 2033. This patent earned 90 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26086
- Filed
- August 7, 2013
- Granted
- November 17, 2015
- Expires
- November 5, 2033
- Assignee
- FLORIDA FOUND SEED PRODUCERS INC
- Inventor
- GROSSER JUDE W
Abstract
An interploid cross (conventional breeding) of Sugar Belle® (patented as ‘LB8-9’, U.S. Plant Pat. No. 21,356) mandarin hybrid with a somatic hybrid of [‘Nova’ mandarin hybrid+‘Succari’ sweet orange], followed by embryo rescue, led to the recovery of the seedless triploid hybrid known as ‘C4-15-19’. Trees of ‘C4-15-19’ are productive, producing an attractive peelable tangerine fruit with robust sweet flavor, maturing in October/November under Florida conditions. Fruit size is small-to-medium, and quite uniform.
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 cultivar of mandarin tree as illustrated and described herein.
Read the full patent: US Plant Patent PP26086 in full — the complete specification, every figure, and the file history.