US Plant Patent PP29173
DUP-GTP
Hibiscus plant named ‘DUP-GTP’
UNDER PATENT
Still under patent. Protection ends March 11, 2036.
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
- PP29173
- Filed
- March 11, 2016
- Granted
- April 3, 2018
- Expires
- March 11, 2036
- Assignee
- DUPONT SR ROBERT JAMES
- Inventor
- DUPONT SR ROBERT JAMES
Abstract
A new and distinct cultivar of hibiscus plant named ‘DUP-GTP’, characterized by glossy, dark green leaves, upright growth, and large flowers having a pinkish-purple center zone which lacks the dark red eye color common in many hibiscus varieties, grading into a pinkish-red intermediate zone which extends to approximately 75 percent of the petal length and grades to a bright yellow-orange edge. The bloom may have a small number of oblong flecks of yellow extending radially, particularly in the pinkish red zone.
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-GTP’, either grafted or on its own roots, as illustrated and described.
Read the full patent: US Plant Patent PP29173 in full — the complete specification, every figure, and the file history.