On January 23, 2002, Davis was nominated by President
George W. Bush to a seat on the
United States District Court for the Eastern District of Texas vacated by
Paul N. Brown. Davis was confirmed by the
United States Senate on May 9, 2002, and received his commission on May 10, 2002. He was sworn in on May 15, 2002. He served as Chief Judge from 2012 to 2015. He retired from active service on May 15, 2015. He was primarily assigned patent lawsuits in the U.S. district court. Davis has served on the Fifth Circuit Judicial Council and the Federal Circuit Advisory Committee on Case Management. He was also Co-Chair of the Federal Judges Committee of the
Federal Circuit Bar Association. and more than 250
Markman hearings (or claim construction hearings). Among the significant patent decisions Davis ruled on during his tenure on the bench included the case of
i4i v. Microsoft, which resulted in a $290 million willful infringement jury verdict against
Microsoft, and which was further upheld on appeal by both the
United States Court of Appeals for the Federal Circuit and the
United States Supreme Court. From 2015 and on, Davis serves as
of counsel at the law firm
Fish & Richardson. ==References==