US Plant Patent PP29970
DUP-PFD
Hibiscus plant named ‘DUP-PFD’
UNDER PATENT
Still under patent. Protection ends March 11, 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
- PP29970
- Filed
- March 11, 2017
- Granted
- December 11, 2018
- Expires
- March 11, 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-PFD’, characterized by glossy, dark green leaves, upright growth, and a very large flower characterized by a large dark red eye which extends approximately one third of the petal length, the eye sharply margined with a light purple zone which extends to approximately four fifths of the petal length, which is diffusely margined with a papaya-colored zone which grades into a brownish-yellow zone at 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-PFD’, either grafted or on its own roots, as illustrated and described.
Read the full patent: US Plant Patent PP29970 in full — the complete specification, every figure, and the file history.