US Plant Patent PP28084
HORTMADACE
Hydrangea plant named ‘HORTMADACE’
UNDER PATENT
Still under patent. Protection ends January 4, 2036.
Twenty years from the filing date would end on November 12, 2035. This patent earned 53 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28084
- Filed
- November 12, 2015
- Granted
- June 6, 2017
- Expires
- January 4, 2036
- Assignee
- KOLSTER HOLDING B V, Horteve Breeding BV, HORTEVE BREEDING BV (part interest), KOLSTER HOLDING BV (part interest)
- Inventor
- EVELEENS CORNELIS PIETER
Abstract
A new cultivar of Hydrangea macrophylla named ‘HORTMADACE’ that is characterized by its globular shaped inflorescence, its medium sized inflorescences, its sterile flowers with sepals that are very dark pink-red in color with a sturdy substance.
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 cultivar of Hydrangea plant named ‘HORTMADACE’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP28084 in full — the complete specification, every figure, and the file history.