US Plant Patent PP23872
Dutch Chocolate
Baptisia plant named ‘Dutch Chocolate’
UNDER PATENT
Still under patent. Protection ends April 9, 2032.
Twenty years from the filing date would end on December 22, 2031. This patent earned 109 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23872
- Filed
- December 22, 2011
- Granted
- September 3, 2013
- Expires
- April 9, 2032
- Assignee
- WALTERS GARDENS INC, HANSEN HANS ANDREW
- Inventor
- HANSEN HANS ANDREW
Abstract
A new cultivar of interspecific Baptisia , ‘Dutch Chocolate’, characterized by its purple-brown flowers that are held on erect flower stems, its densely branched, mounded and compact plant habit, its vigorous growth rate and its hardiness to U.S.D.A. Zones 4 to 9.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Baptisia plant named ‘Dutch Chocolate’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23872 in full — the complete specification, every figure, and the file history.