US Plant Patent PP28886
Burgundy Spice
Calycanthus plant named ‘Burgundy Spice’
UNDER PATENT
Still under patent. Protection ends December 15, 2036.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP28886
- Filed
- December 15, 2016
- Granted
- January 23, 2018
- Expires
- December 15, 2036
- Assignee
- HESSELEIN RICHARD L
- Inventor
- HESSELEIN RICHARD L
Abstract
A new and distinct cultivar of Calycanthus plant named ‘Burgundy Spice’, characterized by its reddish-maroon colored flowers, dark greyish-purple colored foliage, and moderately vigorous, upright growth habit, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Calycanthus plant named ‘Burgundy Spice’, substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP28886 in full — the complete specification, every figure, and the file history.