Maverick Gaming appeals tribal sports betting lawsuit dismissal
| By Marese O'Hagan
Cardroom operator Maverick Gaming has filed an opening brief in the United States Court of Appeals, as part of an ongoing challenge into what it views as a tribal sports betting monopoly in the state of Washington.
![Maverick Gaming](https://igamingbusiness.com/img-srv/djRY9Mn5l-CCoQUc1NG5N9eSCgNa5PYYH7AJF5idSUE/resizing_type:auto/width:0/height:0/gravity:sm/enlarge:1/ext:webp/strip_metadata:1/quality:90/bG9jYWw6Ly8vaWdhbWluZ2J1c2luZXNzLmNvbS93cC1jb250ZW50L3VwbG9hZHMvMjAyMC8wOC9TZWF0dGxlLVdhc2hpbmd0b24uanBn.webp)
It was filed for the Ninth Circuit.
In January 2022, Maverick Gaming filed a lawsuit in the US District Court for the District of Columbia.