S. 1720 · 113th Congress Patent Transparency and Improvements Act of 2013 StageIn committee SponsorPatrick Leahy Introduced2013-11-18 Latest action2013-12-17 · Committee on the Judiciary. Hearings held. Follow Summary Text Subjects Cosponsors (3) Votes (0) Actions Cosponsors (3) Amy Klobuchar Current member Senate MN Democrat Mike Lee Current member Senate UT Republican Sheldon Whitehouse Current member Senate RI Democrat