US Plant Patent PP14395
Royal
Royal zoysiagrass
PUBLIC DOMAIN
Patent expired July 11, 2022. This plant is in the public domain — anyone may propagate and sell it.
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
- PP14395
- Filed
- July 11, 2002
- Granted
- December 23, 2003
- Expires
- July 11, 2022
- Assignee
- TEXAS A & M UNIV SYS
- Inventor
- ENGELKE MILTON CHARLES; REINERT JAMES ARNOLD
Abstract
An asexually reproduced cultivar of perennial zoysiagrass that possess a unique combination of characteristics including purple anthers and white stigmas, an absence of leaf blade hairs, high turf quality and density, good shade tolerance, salinity tolerance, resistance to Rhizoctonia blight and zoysiagrass mite, moderate resistance to tropical sod webworm and hunting billbug, susceptibility to fall army worm and tawny mole cricket and a distinct DNA fingerprint.
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 an asexually reproduced Zoysia matrella plant, as herein illustrated and described.
Read the full patent: US Plant Patent PP14395 in full — the complete specification, every figure, and the file history.