US Plant Patent PP21114
Duetemefi
Pelargonium plant named ‘Duetemefi’
UNDER PATENT
Still under patent. Protection ends February 5, 2029.
Twenty years from the filing date would end on January 6, 2029. This patent earned 30 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21114
- Filed
- January 6, 2009
- Granted
- June 29, 2010
- Expires
- February 5, 2029
- Assignee
- CAPITAL GREEN INVESTMENTS LTD
- Inventor
- DUEMMEN TOBIAS
Abstract
A new and distinct cultivar of Zonal Geranium plant named ‘Duetemefi’, characterized by its upright to outwardly spreading plant habit; freely basal branching habit; dark green-colored leaves; freely flowering habit; semi-double dark 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 ‘Duetemefi’ as illustrated and described.
Read the full patent: US Plant Patent PP21114 in full — the complete specification, every figure, and the file history.