US Plant Patent PP19802
Horsonn
Variety of Hydrangea plant named ‘Horsonn’
UNDER PATENT
Still under patent. Protection ends October 29, 2027.
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
- PP19802
- Filed
- October 29, 2007
- Granted
- March 10, 2009
- Expires
- October 29, 2027
- Assignee
- CLAUS & TORSTEN KUEHNE GBR
- Inventor
- MEINL KATRIN
Abstract
A new and distinct Hydrangea plant having light pink flowers and a strong root system.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Hydrangea plant substantially as shown and described herein.
Read the full patent: US Plant Patent PP19802 in full — the complete specification, every figure, and the file history.