US Plant Patent PP23176
Kurobijin
Loropetalum named ‘Kurobijin’
UNDER PATENT
Still under patent. Protection ends June 24, 2031.
Twenty years from the filing date would end on May 20, 2031. This patent earned 35 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23176
- Filed
- May 20, 2011
- Granted
- November 13, 2012
- Expires
- June 24, 2031
- Assignee
- SUZUKI YUJI
- Inventor
- SUZUKI YUJI
Abstract
A new and distinctive cultivar of Loropetalum named ‘Kurobijin’ that is characterized by its compact plant habit, its flowers that are deep red-purple in color, its late blooming period, its foliage that is dark burgundy in color with the color persisting throughout the summer, and its oval shaped leaves.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Loropetalum plant named ‘Kurobijin’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23176 in full — the complete specification, every figure, and the file history.