US Plant Patent PP18971
DATRETTEN
Dahlia plant named ‘DATRETTEN’
UNDER PATENT
Still under patent. Protection ends February 16, 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
- PP18971
- Filed
- February 16, 2007
- Granted
- June 24, 2008
- Expires
- February 16, 2027
- Assignee
- DALINA APS
- Inventor
- NIELSEN RUNE HARBOE
Abstract
A new and distinct cultivar of Dahlia plant named ‘Datretten’ characterized by its ray floret color (when opening, upper side): base: red, RHS 44B and apex: white, RHS N155B; capitulum (composite flower head): 9.5 to 10.5 cm in diameter, with a large number of ray florets (about 100 to 140); mature leaves about 8 to 12 cm in length, mostly compound, with 1-5 leaflets, and immature leaves about 4 to 6 cm in length, compound, with 1-5 leaflets; and vigorous plant vigor, growing upright with slight spread to form cylindrical-shaped plant.
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 Dahlia plant named ‘Datretten’, as described and illustrated herein.
Read the full patent: US Plant Patent PP18971 in full — the complete specification, every figure, and the file history.