US Plant Patent PP19659
Dueline
Geranium plant named ‘Dueline’
UNDER PATENT
Still under patent. Protection ends July 16, 2027.
Twenty years from the filing date would end on May 17, 2027. This patent earned 60 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19659
- Filed
- May 17, 2007
- Granted
- January 27, 2009
- Expires
- July 16, 2027
- Assignee
- CAPITOL GREEN INVEST LTD
- Inventor
- DUEMMEN TOBIAS
Abstract
A new and distinct cultivar of Zonal Geranium plant named ‘Dueline’, characterized by its compact and upright plant habit; freely basal branching habit; dark green-colored leaves; freely flowering habit; semi-double dark pink-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 ‘Dueline’ as illustrated and described.
Read the full patent: US Plant Patent PP19659 in full — the complete specification, every figure, and the file history.