US Plant Patent PP25209
Monmar
Hydrangea plant named ‘Monmar’
UNDER PATENT
Still under patent. Protection ends May 19, 2033.
Twenty years from the filing date would end on March 5, 2032. This patent earned 440 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25209
- Filed
- March 5, 2012
- Granted
- January 6, 2015
- Expires
- May 19, 2033
- Assignee
- ULRICH MARC, ULRICH MARCELLA
- Inventor
- ULRICH MARC; ULRICH MARCELLA
Abstract
A new and distinct cultivar of Hydrangea plant named ‘Monmar’, characterized by its upright and somewhat outwardly spreading plant habit; vigorous growth habit; strong dark purple-colored stems; freely and remontant flowering habit with numerous sterile flowers per inflorescence; and large inflorescences with pink-colored flowers.
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 ‘Monmar’ as illustrated and described.
Read the full patent: US Plant Patent PP25209 in full — the complete specification, every figure, and the file history.