MENLO PARK, Calif.--(BUSINESS WIRE)--Depomed, Inc. (NASDAQ:DEPO) announced today that it has received a Notice of Allowance from the U.S. Patent and Trademark Office for a U.S. patent application (No. 12/239,591) directed to pharmaceutical dosage forms that deliver the compound gabapentin via Depomed’s proprietary Acuform® gastric retentive drug delivery technology.