US Plant Patent PP22475
DUP-HNGG
Hibiscus plant named ‘DUP-HNGG’
UNDER PATENT
Still under patent. Protection ends April 2, 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
- PP22475
- Filed
- April 2, 2010
- Granted
- January 31, 2012
- Expires
- April 2, 2030
- Assignee
- DUPONT SR ROBERT J
- Inventor
- DUPONT SR ROBERT J
Abstract
A new and distinct cultivar of hibiscus plant named ‘DUP-HNGG’, characterized by glossy, dark green leaves, semi-upright habit appropriate for container production and culture, freely flowering habit, and fully double flowers characterized by a large red-orange zone extending from the center of the flower approximately 75 percent of the way to the petal margin, with the balance of the petal a bright orange.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct hibiscus plant named ‘DUP-HNGG’, as illustrated and described.
Read the full patent: US Plant Patent PP22475 in full — the complete specification, every figure, and the file history.