US Plant Patent PP17808
6136
Zoysiagrass plant named ‘6136’
PUBLIC DOMAIN
Patent expired January 9, 2026. 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
- PP17808
- Filed
- January 9, 2006
- Granted
- June 12, 2007
- Expires
- January 9, 2026
- Assignee
- DOGUET DAVID, LEHMAN VIRGINIA GAIL
- Inventor
- DOGUET DAVID; LEHMAN VIRGINIA GAIL
Abstract
An asexually reproduced variety of perennial zoysiagrass with a unique combination of morphological characters including medium leaf blade width, cool-season brown patch resistance, and absence of leaf hairs.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of zoysiagrass plant, substantially as described and illustrated herein, characterized particularly by a unique combination of morphological characters.
Read the full patent: US Plant Patent PP17808 in full — the complete specification, every figure, and the file history.