MINNEAPOLIS--(BUSINESS WIRE)--AGA Medical Holdings, Inc. (AGA Medical) today announced that a five-judge panel in the German Federal Patent Court in Munich has upheld the validity of an important AGA Medical patent. The court rejected a lawsuit brought by Occlutech GmbH that contended that AGA Medical's patent did not meet the standards of patentability under German law. While the ruling is open to appeal, it is effective now. The patent (EP 0 808 138 B1) pertains to AGA Medical's occlusion devices and the manufacturing process.