US Plant Patent PP28740
DAHZ0004
Dahlia plant named ‘DAHZ0004’
UNDER PATENT
Still under patent. Protection ends March 21, 2036.
Twenty years from the filing date would end on December 10, 2035. This patent earned 102 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28740
- Filed
- December 10, 2015
- Granted
- December 5, 2017
- Expires
- March 21, 2036
- Assignee
- SYNGENTA PARTICIPATIONS AG
- Inventor
- GIESEN ERIC
Abstract
A new Dahlia plant named ‘DAHZ0004’, particularly distinguished by the large pink, double-type flowers, an upright plant habit with good branching, dark green foliage, and good floriferousness.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Dahlia plant named ‘DAHZ0004’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP28740 in full — the complete specification, every figure, and the file history.