CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), a leading RNAi therapeutics company, announced today that the European Patent Office (EPO) has issued a notification of intent to grant for a patent (EP1309726) in the Tuschl I patent series. The new patent is the first to be granted in the European Union (EU) from the Tuschl I patent series, and includes 19 claims broadly covering the use of double stranded RNAs (dsRNAs) for RNAi. This new patent grant extends the scope and breadth of Alnylam’s fundamental intellectual property estate that comprises numerous issued or granted patents and a large number of pending patent applications that together broadly cover RNAi therapeutics, including small interfering RNAs, or siRNAs, the molecules that mediate RNAi.