US Plant Patent PP31122
DUP-KLK
Hibiscus plant named ‘DUP-KLK’
UNDER PATENT
Still under patent. Protection ends May 4, 2037.
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
- PP31122
- Filed
- May 4, 2017
- Granted
- November 26, 2019
- Expires
- May 4, 2037
- Assignee
- DUPONT SR ROBERT JAMES, DUPONT NURSERY INC
- Inventor
- DUPONT SR ROBERT JAMES
Abstract
A new and distinct cultivar of hibiscus plant named ‘DUP-KLK’, characterized by glossy, dark green leaves, upright growth, and a very large flower characterized by a large dark burnt orange eye which extends approximately one third of the petal length, the eye sharply margined against an amber zone having an outer margin of bright orange extending to approximately half of the petal length, the outer margin bleeding into a zone of bright straw yellow which extends to the petal edge.
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-KLK’, either grafted or on its own roots, as illustrated and described.
Read the full patent: US Plant Patent PP31122 in full — the complete specification, every figure, and the file history.