US Plant Patent PP23716
BA-189
Zoysiagrass plant named ‘BA-189’
UNDER PATENT
Still under patent. Protection ends February 5, 2032.
Twenty years from the filing date would end on July 5, 2025. This patent earned 2,406 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23716
- Filed
- July 5, 2005
- Granted
- July 2, 2013
- Expires
- February 5, 2032
- Inventor
- SCULLY BRIAN T; NAGATA RUSSELL T; SISTRUNK DOROTHY M
Abstract
A newly discovered, and asexually reproduced genotype of Zoysiagrass with a distinct set of foliar, floral and agronomic traits.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct type of Zoysiagrass plant substantially described and illustrated herein.
Read the full patent: US Plant Patent PP23716 in full — the complete specification, every figure, and the file history.