The concept of the "person of ordinary skill in the art" (POSITA) remains pivotal in patent law, particularly in evaluating obviousness under 35 U.S.C. § 103 and compliance with enablement and written description requirements...more
Before Dyk, Clevenger, and Stoll. Appeal from the United States District Court for the District of Delaware. Summary: An expert witness can testify from the perspective of a POSITA at the time of the invention even if they...more