US Plant Patent PP25361
Boysenberry Taffy
Penstemon plant named ‘Boysenberry Taffy’
UNDER PATENT
Still under patent. Protection ends October 10, 2033.
Twenty years from the filing date would end on May 14, 2033. This patent earned 149 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25361
- Filed
- May 14, 2013
- Granted
- March 17, 2015
- Expires
- October 10, 2033
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- JANSEN ROBERT D
Abstract
A new and distinct cultivar of Penstemon plant characterized by large dark red purple flowers, long bloom time, showy dark purple seed capsules when young, upright, well branched habit, with multiple crown from the base, clean-looking, deep green, attractive foliage, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of Penstemon plant substantially as shown and described.
Read the full patent: US Plant Patent PP25361 in full — the complete specification, every figure, and the file history.