US Plant Patent PP25411
H211904
Hydrangea plant named ‘H211904’
UNDER PATENT
Still under patent. Protection ends August 6, 2033.
Twenty years from the filing date would end on March 15, 2033. This patent earned 144 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25411
- Filed
- March 15, 2013
- Granted
- April 7, 2015
- Expires
- August 6, 2033
- Assignee
- HYDRANGEA BREEDERS ASS B V, ARTS NIELS
- Inventor
- ARTS NIELS
Abstract
A new and distinct cultivar of Hydrangea plant named ‘H211904’, characterized by its upright and somewhat outwardly spreading plant habit; vigorous growth habit; strong and sturdy stems; freely flowering habit; and large inflorescences with numerous white-colored sterile flowers with red purple-colored margins.
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 Hydrangea plant named ‘H211904’ as illustrated and described.
Read the full patent: US Plant Patent PP25411 in full — the complete specification, every figure, and the file history.