US Plant Patent PP26140
HDCHR23
Dahlia plant named ‘HDCHR23’
UNDER PATENT
Still under patent. Protection ends June 28, 2033.
Twenty years from the filing date would end on May 21, 2033. This patent earned 38 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26140
- Filed
- May 21, 2013
- Granted
- November 24, 2015
- Expires
- June 28, 2033
- Assignee
- VERWER DAHLIAS B V, VERWER AAD W M
- Inventor
- VERWER AAD W M
Abstract
A new and distinct cultivar of Dahlia plant named ‘HDCHR23’, characterized by its compact, mounding and dense plant habit; serrated dark-colored leaves; freely flowering habit; daisy-type inflorescence form; large inflorescences with red purple-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.
It is claimed: 1. A new and distinct Dahlia plant named ‘HDCHR23’ as illustrated and described.
Read the full patent: US Plant Patent PP26140 in full — the complete specification, every figure, and the file history.