BETHLEHEM, Pa.--(BUSINESS WIRE)--OraSure Technologies, Inc. (NASDAQ:OSUR) announced that it has received a complaint from Inverness Medical Innovations, Inc. (AMEX:IMA), Inverness Medical Switzerland GmbH and Church & Dwight, Co., Inc. (NYSE:CHD), filed in the United States District Court for the District of New Jersey, alleging that the manufacture and sale of the Company’s OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test infringes U.S. Patent No. 6,485,982. OraSure Technologies believes that none of its products, including the OraQuick ADVANCE® Test, infringe the patent or other intellectual property rights of any party. The Company also believes that the asserted patent is invalid and intends to defend this lawsuit vigorously.