US Plant Patent PP24497
DUP-SWCH
Hibiscus plant named ‘DUP-SWCH’
UNDER PATENT
Still under patent. Protection ends September 28, 2032.
Twenty years from the filing date would end on July 25, 2032. This patent earned 65 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24497
- Filed
- July 25, 2012
- Granted
- May 27, 2014
- Expires
- September 28, 2032
- Assignee
- DUPONT SR ROBERT J
- Inventor
- DUPONT SR ROBERT J
Abstract
A new and distinct cultivar of Hibiscus plant named ‘DUP-SWCH’, characterized by glossy, dark green leaves, sturdy, very upright habit appropriate for container production and culture, freely flowering habit, and a large flower having a large, blackish red eye zone which is margined against a crinkled dark cherry pink body which abruptly fades at the petal margin to a blush pink. Faint blush pink rays extend from the edge of the eye to roughly two thirds of the way to the edge of the flower.
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 hibiscus plant named ‘DUP-SWCH’, as illustrated and described.
Read the full patent: US Plant Patent PP24497 in full — the complete specification, every figure, and the file history.