Zimmer files for Inter Partes Review of Knee Replacement Patent

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On October 30, 2013, Zimmer Holdings, Inc. and Zimmer, Inc. filed a petition with the Patent Trial and Appeal Board requesting inter partes review of U.S. Patent No. 7,837,736, assigned to Bonutti Skeletal Innovations, LLC.

The ‘736 Patent is entitled “Minimally Invasive Surgical Systems and Methods.” The ‘736 Patent states that it relates to a method “for performing a total knee arthroplasty.” Figure 90 from the ‘736 Patent, described as “a schematic illustration of a tibial component of a knee implant[,]” is shown below:

Figure 90 from the ‘736 Patent

The petition seeks to review claims 15-28 and 31-36 of the ‘736 Patent. The petition discloses that Bonutti  Skeletal has accused Zimmer of infringing the ‘736 Patent in a lawsuit filed in the U.S. District Court for the District of Delaware. Bonutti Skeletal filed an amended complaint in that lawsuit  on January 15, 2013. In addition to the ‘736 Patent, the amended complaint also alleges infringement of U.S. Patents 6,702,821, 7,749,229, 7,806,896, 7,959,635, and 8,133,229.

 

 

 

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