Zimmer files 2 IPRs against Four Mile Bay related to dental implants patent

April 17, 2015 – Zimmer Holdings, Inc. and Zimmer Dental, Inc. filed 2 petitions for inter partes review against patent owner Four Mile Bay, Inc. on April 16, 2015 related to Four Mile Bay’s patent for dental implant technology.  The patent at issue is U.S. Patent No. 8,684,734, entitled: “Dental Implant With Porous Body,” which is the subject of Case Nos. IPR2015-01058 and IPR2015-01059.  Zimmer is challenging the claims of Four Mile Bay’s patent on the grounds of anticipation and obviousness.  Zimmer and Four Mile Bay are currently involved in the district court action Zimmer Holdings, Inc. et al. v. Four Mile Bay, Inc., Civil Action No. 3:14-cv-1300 (N.D. Ind.) (JVB)-(JEM), involving the same ’734 patent.

By: Frederick C. Millett

U.S. Patent No. 8,684,734

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