In re: Chudik, No. 16-1817 (Fed. Cir. 2017)
Annotate this CaseThe 631 application, entitled “Glenoid Implant for Minimally Invasive Shoulder Replacement Surgery,” describes an invention related to “rotator cuff sparing procedures and associated devices for shoulder replacement surgery.” The application improves on the prior art by offering “simple and less invasive perpendicular access to the humeral and glenoid joint surfaces,” which “spares the rotator cuff tendons and allows for a quicker and more functional recovery.” The surgery described in the application involves two main steps. First, the surgeon removes “a minimal amount of bone from the peripheral surface of the glenoid”—a process called reaming. Second, the surgeon places an implant in the reamed cavity. The Patent Trial and Appeal Board concluded that several claims were anticipated by prior art, 35 U.S.C. 102(b). The Federal Circuit reversed; the finding of anticipation was not supported by substantial evidence.
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