S. 2237 · 116th Congress Monopolization Deterrence Act of 2019 StageIn committee SponsorAmy Klobuchar Introduced2019-07-23 Latest action2019-07-23 · Introduced in Senate Follow Summary Text Subjects Cosponsors (3) Votes (0) Actions Cosponsors (3) Dianne Feinstein Former member Senate CA Democrat Ed Markey Current member Senate MA Democrat Richard Blumenthal Current member Senate CT Democrat