US Plant Patent PP30330
NCBT1
Berberis plant named ‘NCBT1’
UNDER PATENT
Still under patent. Protection ends May 18, 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
- PP30330
- Filed
- May 18, 2016
- Granted
- April 2, 2019
- Expires
- May 18, 2036
- Assignee
- UNIV NORTH CAROLINA STATE
- Inventor
- RANNEY THOMAS GREEN
Abstract
A new and distinct Berberis cultivar named ‘NCBT1’ is disclosed, characterized by purple foliage and a distinctively compact and round plant habit. Plants have very low female fertility. The new variety is a Berberis, normally produced as an outdoor garden plant.
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 Berberis plant named ‘NCBT1’ as herein illustrated and described.
Read the full patent: US Plant Patent PP30330 in full — the complete specification, every figure, and the file history.