US Plant Patent PP36539
Sunpa 423
Mandevilla plant named ‘Sunpa 423’
UNDER PATENT
Still under patent. Protection ends February 11, 2044.
Twenty years from the filing date would end on January 23, 2044. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP36539
- Filed
- January 23, 2024
- Granted
- March 11, 2025
- Expires
- February 11, 2044
- Assignee
- SUNTORY FLOWERS LTD, KOENE TIM
- Inventor
- KOENE TIM
Abstract
A new and distinct cultivar of Mandevilla plant named ‘Sunpa 423’, characterized by its vining and climbing plant habit; vigorous growth habit; freely branching habit; freely flowering habit; long flowering period; double-type flowers that are deep red in color; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Mandevilla plant named ‘Sunpa 423’ as herein illustrated and described.
Read the full patent: US Plant Patent PP36539 in full — the complete specification, every figure, and the file history.