“Dr. Hayes’ testimony was very convincing, very interesting and not hard to understand.” ; “Dr. Hayes’ testimony was the turning point.”
What We Do: Case Examples
Patent Validity / Infringement
Patent Validity/Infringement: Bipolar Hip Arthroplasty
Bipolar hip arthroplasty was originally conceived as a way to reduce shear stresses on acetablular cartilage by the inclusion of a low-friction inner bearing in a unipolar design. Because of this compound bearing surface, the bipolar was thought to improve on both unipolar and conventional total hip replacements. Patent litigation raised issues of validity and infringement related to the early bipolar patents. *Were the early bipolar hip patents valid and enforceable? *Were their claims infringed by subsequent devices?
