US Plant Patent PP23891
Blueberry Sundae
Baptisia plant named ‘Blueberry Sundae’
UNDER PATENT
Still under patent. Protection ends March 19, 2032.
Twenty years from the filing date would end on December 22, 2031. This patent earned 88 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23891
- Filed
- December 22, 2011
- Granted
- September 10, 2013
- Expires
- March 19, 2032
- Assignee
- WALTERS GARDENS INC, HANSEN HANS ANDREW
- Inventor
- HANSEN HANS ANDREW
Abstract
A new cultivar of Baptisia , ‘Blueberry Sundae’ characterized by its flowers that are blue in color and held on erect flower stems, its densely branched, uniform and upright plant habit, its vigorous growth rate and hardiness in U.S.D.A. Zones 4 to 8.
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 ‘Blueberry Sundae’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23891 in full — the complete specification, every figure, and the file history.