US Plant Patent PP21997
Duebigonza
Bidens plant named ‘Duebigonza’
UNDER PATENT
Still under patent. Protection ends January 1, 2030.
Twenty years from the filing date would end on December 21, 2029. This patent earned 11 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21997
- Filed
- December 21, 2009
- Granted
- June 28, 2011
- Expires
- January 1, 2030
- Assignee
- CAPITAL GREEN INVESTMENTS LTD
- Inventor
- DUEMMEN TOBIAS
Abstract
A new and distinct cultivar of Bidens plant named ‘Duebigonza’, characterized by its compact and mounding plant habit; moderately vigorous growth habit; early and freely flowering habit; large inflorescences with bright yellow-colored ray florets and darker yellow-colored disc florets; and strong peduncles that hold the inflorescences above and beyond the foliar plane.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Bidens plant named ‘Duebigonza’ as illustrated and described.
Read the full patent: US Plant Patent PP21997 in full — the complete specification, every figure, and the file history.