Zimmer Petitions for IPR of Four Stryker Patents

November 30, 2015 – Zimmer Surgical, Inc. petitioned for inter partes review of four patents owned by Stryker Corporation: U.S. Patent Nos. 6,622,311; 6,481,019; 8,282,234; and 7,752,682. The four patents are generally directed to personal protective systems such as a helmet assembly with an air filtration system for use in clean rooms or in surgical procedures to provide a sterile barrier between the surgical personnel and the patient. The petitions are pending before the Patent Trial and Appeal Board and are captioned: IPR2016-00255; IPR2016-00257; IPR2016-00261; and IPR2016-00265.

By: Rosanna W. Gan

2015-11-30 Zimmer v. Stryker patent 682

2015-11-30 Zimmer v. Stryker patent 311

2015-11-30 Zimmer v. Stryker patent 234

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