US Plant Patent PP31997
ILVOCLOU
Hydrangea plant named ‘ILVOCLOU’
UNDER PATENT
Still under patent. Protection ends May 23, 2039.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP31997
- Filed
- May 23, 2019
- Granted
- July 21, 2020
- Expires
- May 23, 2039
- Inventor
- VAN HUYLENBROECK JOHAN; VAN LAERE KATRIJN
Abstract
A new and distinct Hydrangea plant named ‘ILVOCLOU’ is disclosed, characterized by compact plants producing lace-cap inflorescences having light violet-blue sterile flowers with purple sepals and medium violet-blue fertile flowers. Plants produce attractive foliage and bloom abundantly. The new variety is a Hydrangea, normally produced as an ornamental plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Hydrangea plant named ‘ILVOCLOU’ as herein illustrated and described.
Read the full patent: US Plant Patent PP31997 in full — the complete specification, every figure, and the file history.