That issue is now before the Oregon Court of Appeals.
The sheriffs of Washington and Jackson counties are appealing a lower court order that medical marijuana users have a right to concealed gun permits.
Attorneys for the sheriffs say that marijuana possession is still a violation of federal law and the permits should be denied.
Voters in the state legalized medical use of pot more than a decade ago.
Steven Schwerdt uses marijuana for his arthritis and gout.
He says he should also be allowed to carry a gun because he can't run away from a dangerous situation.