On July 12, 2019, the Federal Circuit issued a precedential opinion from an appeal of a decision from the District of Delaware addressing patentable subject matter under section 101, claim construction, anticipation, sua sponte summary judgment, willful infringement, attorneys’ fees, and ongoing royalties.

SRI Int’l., Inc. v. Cisco Sys., Inc., Docket No. 17-2223 (CAFC July 12, 2019) -
http://www.cafc.uscourts.gov/sites/default/files/opinions-orders/17-2223.Opinion.7-12-2019.pdf
U.S. Patent No. 6,484,203
https://patents.google.com/patent/US6484203B1
U.S. Patent No. 6,711,615
https://patents.google.com/patent/US6711615B2