US Plant Patent PP20595
Sonmarie
Hydrangea plant named ‘Sonmarie’
UNDER PATENT
Still under patent. Protection ends October 1, 2028.
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
- PP20595
- Filed
- October 1, 2008
- Granted
- December 22, 2009
- Expires
- October 1, 2028
- Assignee
- SPRING MEADOW NURSERY INC
- Inventor
- THOMPSON TONY
Abstract
A new and distinct cultivar of Hydrangea plant named ‘Sonmarie’, characterized by its relatively compact, upright and mounded plant habit; strong and sturdy stems; and large hemispherical inflorescences with numerous light red purple-colored sterile 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 ‘Sonmarie’ as illustrated and described.
Read the full patent: US Plant Patent PP20595 in full — the complete specification, every figure, and the file history.