US Plant Patent PP28764
71853-09
Dahlia plant named ‘71853-09’
UNDER PATENT
Still under patent. Protection ends March 17, 2036.
Twenty years from the filing date would end on November 12, 2035. This patent earned 126 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28764
- Filed
- November 12, 2015
- Granted
- December 12, 2017
- Expires
- March 17, 2036
- Assignee
- HAMMETT KEITH
- Inventor
- HAMMETT KEITH
Abstract
A new cultivar of Dahlia plant named ‘71853-09’ that is characterized by an upright and uniform growth habit, red-brown compound leaves, a cactus type inflorescence and red-purple ray florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Dahlia plant named ‘71853-09’ as described and illustrated.
Read the full patent: US Plant Patent PP28764 in full — the complete specification, every figure, and the file history.