<Table> <Tr> <Th_colspan="2"> United States Court of Appeals for the Ninth Circuit </Th> </Tr> <Tr> <Td_colspan="2"> (9th Cir .) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Location </Th> <Td> James R. Browning U.S. Court of Appeals Building (San Francisco, California) More locations <Ul> <Li> William Kenzo Nakamura U.S. Courthouse (Seattle, Washington) </Li> <Li> Pioneer Courthouse (Portland, Oregon) </Li> <Li> Richard H. Chambers U.S. Court of Appeals (Pasadena, California) </Li> </Ul> </Td> </Tr> <Tr> <Th> Appeals from </Th> <Td> <Ul> <Li> District of Alaska </Li> <Li> District of Arizona </Li> <Li> Central District of California </Li> <Li> Eastern District of California </Li> <Li> Northern District of California </Li> <Li> Southern District of California </Li> <Li> District of Hawaii </Li> <Li> District of Idaho </Li> <Li> District of Montana </Li> <Li> District of Nevada </Li> <Li> District of Oregon </Li> <Li> Eastern District of Washington </Li> <Li> Western District of Washington </Li> <Li> District of Guam </Li> <Li> District of the Northern Mariana Islands </Li> </Ul> </Td> </Tr> <Tr> <Th> Established </Th> <Td> March 3, 1891 </Td> </Tr> <Tr> <Th> Circuit Justice </Th> <Td> John Roberts </Td> </Tr> <Tr> <Th> Chief Judge </Th> <Td> Sidney R. Thomas </Td> </Tr> <Tr> <Th> Active judges </Th> <Td> 29 </Td> </Tr> <Tr> <Th> Senior judges </Th> <Td> 17 </Td> </Tr> <Tr> <Td_colspan="2"> www.ca9.uscourts.gov </Td> </Tr> </Table> <Tr> <Th_colspan="2"> United States Court of Appeals for the Ninth Circuit </Th> </Tr>

What does the 9th circuit court of appeals do