US Plant Patent PP19449
Blue Diamond
Aster plant named ‘Blue Diamond’
UNDER PATENT
Still under patent. Protection ends July 27, 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
- PP19449
- Filed
- July 27, 2007
- Granted
- November 18, 2008
- Expires
- July 27, 2027
- Assignee
- NACHTVLINDER B V
- Inventor
- AKERBOOM PETRUS J
Abstract
A new and distinct cultivar of Aster plant named ‘Blue Diamond’ characterized by its uniform, upright and strong flowering stems; uniform and freely flowering habit; and decorative-type inflorescences with violet-colored ray florets.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Aster plant named ‘Blue Diamond’ as illustrated and described.
Read the full patent: US Plant Patent PP19449 in full — the complete specification, every figure, and the file history.