US Plant Patent PP23890
DUP-APD
Hibiscus plant named ‘DUP-APD’
UNDER PATENT
Still under patent. Protection ends May 27, 2031.
Twenty years from the filing date would end on March 31, 2031. This patent earned 57 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23890
- Filed
- March 31, 2011
- Granted
- September 10, 2013
- Expires
- May 27, 2031
- Assignee
- DUPONT SR ROBERT J
- Inventor
- DUPONT SR ROBERT J
Abstract
A new and distinct cultivar of hibiscus plant named ‘DUP-APD’, characterized by glossy, dark green leaves, sturdy, upright growth, and large flowers having a large red eye zone eye zone which bleeds into a pale pinkish purple zone which extends to the petal margins, with suffusion of pale pink on the overlapping edge of each petal.
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-APD’, as illustrated and described.
Read the full patent: US Plant Patent PP23890 in full — the complete specification, every figure, and the file history.