US Plant Patent PP21116
DASDEM
Aster plant named ‘DASDEM’
UNDER PATENT
Still under patent. Protection ends February 26, 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
- PP21116
- Filed
- February 26, 2009
- Granted
- June 29, 2010
- Expires
- February 26, 2029
- Assignee
- Gartneriet Raahoj
- Inventor
- JENSEN BENT JUHL
Abstract
A new distinct cultivar of Aster plant named ‘DASDEM’, characterized by its upright plant form with somewhat outward spreading plant habit; bright yellow-green foliage; decorative, composite-type inflorescence with about 250 violet-blue colored ray florets; and only about 10 to 20 green-colored disc florets per inflorescence (almost 100% filled capitulae).
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 Aster plant named ‘DASDEM’, as illustrated and described herein.
Read the full patent: US Plant Patent PP21116 in full — the complete specification, every figure, and the file history.