US Plant Patent PP36646
HOT81A1
Apple tree named ‘HOT81A1’
UNDER PATENT
Still under patent. Protection ends May 1, 2044.
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
- PP36646
- Filed
- May 1, 2024
- Granted
- May 6, 2025
- Expires
- May 1, 2044
- Assignee
- NZ INST PLANT & FOOD RES LTD, FRUITFUTUR A I E, INST DE RECERCA I TECNOLOGIA AGROALIMENTARIES IRTA, INST DE RECERCA I TECNLOGIA AGROALIMENTARIES IRTA, THE NEW ZEELAND INSTITUTE FOR PLANT AND FOOD RES LIMITED
- Inventor
- VOLZ RICHARD; FONTICH CRISTIAN
Abstract
A new and distinct apple variety is described. The variety results from crossing the apple varieties ‘A121R18T089’ (not patented) and Gala ‘Baigent’ (U.S. Plant Pat. No. 4,121) in Havelock North, New Zealand. The fruit of the apple tree of this new variety have an appearance characterized by its dark red colour and creamy white background and it early harvest compared to other selections. This new variety has been named ‘HOT81A1’.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of apple tree named ‘HOT81A1’ substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP36646 in full — the complete specification, every figure, and the file history.