US Plant Patent PP16886
Dueamarostar
Geranium plant named ‘Dueamarostar’
PUBLIC DOMAIN
Patent expired June 30, 2025. 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
- PP16886
- Filed
- June 30, 2005
- Granted
- July 25, 2006
- Expires
- June 30, 2025
- Assignee
- DUEMMEN JUNGPFLANZEN GBR
- Inventor
- DUEMMEN MARGA
Abstract
A new and distinct cultivar of Ivy Geranium plant named ‘Dueamarostar’, characterized by its compact, upright and outwardly spreading plant habit; freely basal branching habit; freely flowering habit; and red and light pink bi-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 ‘Dueamarostar’, as herein illustrated and described.
Read the full patent: US Plant Patent PP16886 in full — the complete specification, every figure, and the file history.