US Plant Patent PP18006
Duepamerl
Geranium plant named ‘Duepamerl’
PUBLIC DOMAIN
Patent expired February 7, 2026. This plant is in the public domain — anyone may propagate and sell it.
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
- PP18006
- Filed
- February 7, 2006
- Granted
- September 11, 2007
- Expires
- February 7, 2026
- Assignee
- DUEMMEN JUNGPFLANZEN GBR
- Inventor
- DUEMMEN MARGA
Abstract
A new and distinct cultivar of Ivy Geranium plant named ‘Duepamerl’, characterized by its upright and outwardly spreading plant habit; vigorous growth habit; freely branching habit; freely flowering habit; and red purple-colored double flowers.
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 Ivy Geranium plant named ‘Duepamerl’, as herein illustrated and described.
Read the full patent: US Plant Patent PP18006 in full — the complete specification, every figure, and the file history.