No. 21-15420.

46 F.4th 991 (2022)

UNITED STATES of America; State of California; State of Colorado; State of Connecticut; State of Delaware; State of Florida; State of Georgia; State of Hawaii; State of Illinois; State of Indiana; State of Iowa; State of Louisiana; State of Maryland; State of Michigan; State of Minnesota; State of Montana; State of Nevada; State of New Jersey; State of New Mexico; State of New York; State of North Carolina; State of Oklahoma; State of Rhode Island; State of Tennessee; State of Texas; State of Vermont; State of Washington; Commonwealth of Massachusetts; Commonwealth of Virginia; District of Columbia, ex rel Zachary Silbersher, Relator, Plaintiffs-Appellees, v. ALLERGAN, INC.; Allergan USA, Inc.; Allergan Sales, LLC; Forest Laboratories Holdings, Ltd.; Adamas Pharma LLC; Adamas Pharmaceuticals, Inc., Defendants-Appellants.

United States Court of Appeals, Ninth Circuit.

Filed August 25, 2022.

Attorney(s) appearing for the Case

Erin E. Murphy (argued), M. Sean Royall , Olivia Adendorff , Kasdin M. Mitchell , and James Y. Xi , Kirkland & Ellis LLP, Washington, D.C., for Defendants-Appellants Allergan, Inc.; Allergan USA, Inc.; Allergan Sales, LLC; and Forest Laboratories Holdings, Ltd.

Andrew Hoffman II (argued), Matthew Holian , Courtney Saleski , and Lianna Bash , DLA Piper LLP (U.S.), Los Angeles, California, for Defendants-Appellants Adamas Pharma LLC, and Adamas Pharmaceuticals, Inc.

Tejinder Singh (argued), Goldstein & Russell P.C., Bethesda, Maryland; Nicomedes Sy Herrera and Bret D. Hembd , Herrera Kennedy LLP, Oakland, California; Warren T. Burns and Christopher J. Cormier , Burns Charest LLP, Dallas, Texas; for Plaintiffs-Appellees.

Jeffrey S. Bucholtz and Jeremy M. Bylund , King & Spalding LLP, Washington, D.C.; Andrew R. Varcoe and Paul V. Lettow , U.S. Chamber Litigation Center, Washington, D.C.; James C. Stansel and Melissa B. Kimmel , Pharmaceutical Research and Manufacturers of America; for Amici Curiae Chamber of Commerce of the United States of America and Pharmaceutical Research and Manufacturers of America.

Gordon D. Todd , Kimberly A. Leaman , Christopher S. Ross , Alaric R. Smith , and Katy (Yin Yee) Ho , Sidley Austin LLP, Washington, D.C.; Jack E. Pace III , Peter J. Carney , and Kevin M. Bolan , White & Case LLP, New York, New York; for Amici Curiae Johnson & Johnson and BTG International Ltd.

Justin T. Berger , Cotchett Pitre & McCarthy LLP, Burlingame, California; Jacklyn DeMar , Taxpayers Against Fraud Education Fund, Washington, D.C.; for Amicus Curiae Taxpayers Against Fraud Education Fund.

Alexandra H. Moss , Public Interest Patent Law Institute, La Quinta, California, for Amicus Curiae Public Interest Patent Law Institute.

Before: Ronald M. Gould, Mark J. Bennett, and Ryan D. Nelson, Circuit Judges.


Defendant-Appellants ("Appellants") challenge the district court's denial of their motion to dismiss relator Zachary Silbersher's qui tam action. In his qui tam action, Silbersher alleged that Appellants violated the False Claims Act (FCA). Silbersher contended that Appellants fraudulently obtained...


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