US Plant Patent PP20654
Regburg
Geranium plant named ‘Regburg’
UNDER PATENT
Still under patent. Protection ends June 12, 2028.
Twenty years from the filing date would end on June 15, 2027. This patent earned 363 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20654
- Filed
- June 15, 2007
- Granted
- January 19, 2010
- Expires
- June 12, 2028
- Assignee
- ELSNER JUNGPFLANZEN
- Inventor
- MICHALIK ANDREA
Abstract
A new and distinct cultivar of Regal Geranium plant named ‘Regburg’, characterized by its upright and mounded plant habit; vigorous growth habit; freely basal branching habit; early and freely flowering habit; large rich red purple-colored flowers; and no requirement for cooling treatment for flower development.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Regal Geranium plant named ‘Regburg’ as illustrated and described.
Read the full patent: US Plant Patent PP20654 in full — the complete specification, every figure, and the file history.