US Plant Patent PP21636
HorAbstra
Hydrangea plant named ‘HorAbstra’
UNDER PATENT
Still under patent. Protection ends December 9, 2029.
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
- PP21636
- Filed
- December 9, 2009
- Granted
- January 18, 2011
- Expires
- December 9, 2029
- Assignee
- CLAUS & TOSTEN KUEHNE GBR
- Inventor
- MEINL KATRIN
Abstract
A new and distinct cultivar of Hydrangea plant named ‘HorAbstra’, characterized by its upright and mounded plant habit; black-colored stems; strong and dark green-colored leaves; and large lacecap-type inflorescences with dark pink-colored flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Hydrangea plant named ‘HorAbstra’ as illustrated and described.
Read the full patent: US Plant Patent PP21636 in full — the complete specification, every figure, and the file history.