Levi & Korsinsky, LLP announces that it has commenced an investigation of Tetraphase Pharmaceuticals, Inc. ("Tetraphase" or "the Company") (NasdaqGS: TTPH) concerning securities violations and breach of fiduciary duty. To obtain additional information about the investigation, go to: http://zlkdocs.com/TTPH-Info-Request-Form-3798 or contact Joseph E. Levi, Esq. either via email at email@example.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972. Levi & Korsinsky is a national firm with offices in New York, New Jersey, California, Connecticut, and Washington D.C. The firm's attorneys have extensive expertise and experience representing investors in securities litigation involving financial fraud, and have recovered hundreds of millions of dollars for aggrieved shareholders. Attorney advertising. Prior results do not guarantee similar outcomes.