US Plant Patent PP23300
HDRF155
Dahlia plant named ‘HDRF155’
UNDER PATENT
Still under patent. Protection ends May 27, 2031.
Twenty years from the filing date would end on February 24, 2031. This patent earned 92 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23300
- Filed
- February 24, 2011
- Granted
- January 1, 2013
- Expires
- May 27, 2031
- Assignee
- VERWER DAHLIAS B V, VERWER AAD W M
- Inventor
- VERWER AAD W M
Abstract
A new and distinct cultivar of Dahlia plant named ‘HDRF155’, characterized by its compact, mounding and dense plant habit; deeply serrated dark-colored leaves; freely flowering habit; daisy-type inflorescence form; large inflorescences with red and orange-colored ray florets; and good postproduction longevity.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Dahlia plant named ‘HDRF155’ as illustrated and described.
Read the full patent: US Plant Patent PP23300 in full — the complete specification, every figure, and the file history.