US Plant Patent PP19651
Duemelro
Geranium plant named ‘Duemelro’
UNDER PATENT
Still under patent. Protection ends August 3, 2027.
Twenty years from the filing date would end on May 17, 2027. This patent earned 78 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19651
- Filed
- May 17, 2007
- Granted
- January 20, 2009
- Expires
- August 3, 2027
- Assignee
- CAPITOL GREEN INVEST LTD
- Inventor
- DUEMMEN TOBIAS
Abstract
A new and distinct cultivar of Zonal Geranium plant named ‘Duemelro’, characterized by its compact and upright plant habit; freely basal branching habit; dark green-colored leaves; freely flowering habit; semi-double red purple-colored flowers; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Zonal Geranium plant named ‘Duemelro’ as illustrated and described.
Read the full patent: US Plant Patent PP19651 in full — the complete specification, every figure, and the file history.