SAN MARCOS, Calif., Feb. 14, 2012 /PRNewswire/ -- Natural Alternatives International, Inc. ("NAI") (NASDAQ: NAII), a leading formulator, manufacturer and marketer of customized nutritional supplements, announced today that on February 6 it filed a claim for patent infringement against DNP International Co., Inc. in U.S. District Court for the District of Delaware. NAI alleges that DNP infringes U.S. Patent No. 8,067,381 ("the '381 patent"), entitled "Methods and compositions for increasing the anaerobic working capacity in tissues." The '381 patent was issued by the U.S. Patent and Trademark Office on November 29, 2011 and is part of NAI's worldwide portfolio covering CarnoSyn® beta-alanine. DNP becomes the latest in a series of '381 patent infringement claims brought against companies in the nutritional supplement industry, including Woodbolt Distribution, LLC (also known as Cellucor), F.H.G. Corporation (doing business as Integrity Nutraceuticals), Vitaquest International, Inc., (doing business as Garden State Nutritionals), BPI Sports, LLC and Image Sports, LLC.
Natural Alternatives International, Inc. Files Patent Infringement Claim Against DNP International Co., Inc.
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