US EX REL. ESCOBAR v. UNIVERSAL HEALTH SERVICES

Attorney(s) appearing for the Case

Michael Tabb , with whom Thomas M. Greene , Boston, MA, Elizabeth Cho , Greene LLP, were on brief for appellants.

Mark T. Stancil , with whom Donald Burke , Robbins, Russell, Englert, Orseck, Untereiner & Sauber LLP, Washington, DC, and Mark W. Pearlstein , Evan D. Panich , Laura McLane , McDermott Will & Emery LLP, Boston, MA, were on brief for appellee.

Maura Healey , Attorney General of Massachusetts, with whom Robert Patten and Jeffrey Walker , Assistant Attorneys General, were on brief for amicus curiae Commonwealth of Massachusetts.

Charles S. Scarborough , Attorney, Appellate Staff, with whom Benjamin C. Mizer , Principal Deputy Assistant Attorney General, Carmen M. Ortiz , United States Attorney, and Michael S. Raab , Attorney, Appellate Staff, were on brief for amicus curiae United States of America.

Jennifer M. Verkamp , Morgan Verkamp LLC, Cincinnati, OH, and Jacklyn N. DeMar , on brief for amicus curiae Taxpayers Against Fraud Education Fund.

Jeremy W. Meisinger , Boston, MA, Thomas R. Barker , Washington, DC, Kristyn M. DeFilipp , Boston, MA, and Foley Hoag, LLP, on brief for amicus curiae National Association of Psychiatric Health Systems.

Lawrence M. Kraus , Lawrence W. Vernaglia , Jason L. Drori , and Foley & Lardner LLP, Boston, MA, on brief for amicus curiae Massachusetts Hospital Association.

John P. Elwood , Craig D. Margolis , Jeremy C. Marwell , Tirzah S. Lollar , Christian D. Sheehan , Vinson & Elkins LLP, Washington, DC, Kathryn Comerford Todd , Steven P. Lehotsky , and U.S. Chamber Litigation Center, on brief for amicus curiae Chamber of Commerce of the United States of America.

Before Howard, Chief Judge, Stahl and Barron, Circuit Judges.