daubert rule 702

  1. Exafer v. Microsoft: Federal Circuit Rejects Per Se Bar on Unaccused Royalty Bases

    The Federal Circuit’s March 6, 2026 decision in Exafer Ltd. v. Microsoft Corp. is an important reminder that Daubert does not create a shortcut to wipe out patent damages theories simply because they use a product-based royalty base. In a precedential opinion, the court reversed a district...