US Plant Patent PP18462
White Sensation
Astilbe plant named ‘White Sensation’
UNDER PATENT
Still under patent. Protection ends September 30, 2026.
Twenty years from the filing date would end on September 5, 2026. This patent earned 25 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18462
- Filed
- September 5, 2006
- Granted
- January 29, 2008
- Expires
- September 30, 2026
- Assignee
- BLOKLAND ROB
- Inventor
- BLOKLAND ROB
Abstract
A new cultivar of Astilbe simplicifolia hybrid named ‘White Sensation’ that is characterized by its pure white flowers borne on upright to cascading panicles over very dark green foliage and combined with a compact plant habit.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Astilbe plant named ‘White Sensation’ as herein illustrated and described.
Read the full patent: US Plant Patent PP18462 in full — the complete specification, every figure, and the file history.