US Plant Patent PP22523
DUP-DLR
Hibiscus plant named ‘DUP-DLR’
UNDER PATENT
Still under patent. Protection ends March 12, 2030.
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
- PP22523
- Filed
- March 12, 2010
- Granted
- February 28, 2012
- Expires
- March 12, 2030
- Assignee
- DUPONT SR ROBERT J
- Inventor
- DUPONT SR ROBERT J
Abstract
A new and distinct cultivar of Hibiscus plant named ‘DUP-DLR’, characterized by glossy, dark green leaves, semi-upright habit appropriate for container production and culture, freely flowering habit, and very large flowers having a deep red eye zone, a brilliant hot pink body, with faintly iridescent, light pink ribs radiating from the eye zone into the body.
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-DLR’, as illustrated and described.
Read the full patent: US Plant Patent PP22523 in full — the complete specification, every figure, and the file history.