US Plant Patent PP28888
SB 108
Buxus plant named ‘SB 108’
UNDER PATENT
Still under patent. Protection ends June 21, 2036.
Twenty years from the filing date would end on May 9, 2036. This patent earned 43 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28888
- Filed
- May 9, 2016
- Granted
- January 23, 2018
- Expires
- June 21, 2036
- Inventor
- WOOLLEY ROLLIN EDGERTON
Abstract
A new cultivar of Buxus microphylla , ‘SB 108’, that is characterized by its obovate-shaped leaves that are dark green in color with a waxy surface texture, its good resistance to boxwood blight and some resistance to boxwood leafminer, and its compact plant habit.
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 Buxus plant named ‘SB 108’ as herein illustrated and described.
Read the full patent: US Plant Patent PP28888 in full — the complete specification, every figure, and the file history.