MEDFORD (AP)— Federal authorities are increasingly using asset-forfeiture laws to seize money and property from people they believe are exploiting Oregon’s medical marijuana program. A review of U.S. District Court records by the Medford Mail Tribune newspaper (http://is.gd/o7JieV ) shows that in 2010, prosecutors filed just one forfeiture case to seize money related to marijuana that was grown under the program. Last year, there were a dozen such cases, and there were 11 in the first 11 months of this year. Civil forfeiture laws allow police to seize the proceeds of illegal activity without necessarily filing criminal charges against those …