ILLUMINA, INC. v. F.T.C.

No. 23-60167.

88 F.4th 1036 (2023)

ILLUMINA, INCORPORATED; GRAIL, Incorporated, now known as GRAIL, L.L.C., Petitioners, v. FEDERAL TRADE COMMISSION, Respondent.

United States Court of Appeals, Fifth Circuit.

FILED December 15, 2023.


Attorney(s) appearing for the Case

David Marriott , Benjamin Atlas , Sharonmoyee Goswami , Antony Ryan , Christine Varney , Jesse Weiss , Michael J. Zaken , Cravath, Swaine & Moore, L.L.P., New York, NY, for Petitioner Illumina, Incorporated.

Alfred Carroll Pfeiffer, Jr. , Latham & Watkins, L.L.P., San Francisco, CA, Michael Egge , Gregory George Garre , David Johnson , Anna M. Rathbun , Marguerite M. Sullivan , Latham & Watkins, L.L.P., Washington, DC, for Petitioner GRAIL, Incorporated.

Matthew Michael Hoffman , Anisha Sasheen Dasgupta , Deputy Solicitor General, Federal Trade Commission, Office of the General Counsel, Washington, DC, for Respondent.

John Mercer Masslon, II, Washington Legal Foundation, Washington, DO, for Amicus Curiae Washington Legal Foundation.

Kathleen W. Bradish, American Antitrust Institute, Washington, DC, for Amicus Curiae American Antitrust Institute.

Chad Golder, Esq., American Hospital Association, Washington, DC, for Amicus Curiae American Hospital Association.

Michael David Pepson, Americans for Prosperity Foundation, Arlington, VA, for Amicus Curiae Americans for Prosperity Foundation.

Jeffrey Matthew Harris, Frank H. Chang, Consovoy McCarthy, P.L.L.C., Arlington, VA, for Amicus Curiae Chamber of Commerce of the United States of America.

Luke Hasskamp, Partner, Bona Law, P.C., La Jolla, CA, for Amicus Curiae 34 Members of Congress.

Adam Gershenson, Cooley, L.L.P., Boston, MA, Kathleen R. Hartnett, Cooley, L.L.P., San Francisco, CA, for Amici Curiae Brianna L. Alderman, Roger D. Blair.

Donald Falk, Schaerr Jaffe, L.L.P., San Francisco, CA, for Amicus Curiae International Center for Law and Economics and Law and Economics Scholars.

Stephen Blake Kinnaird, Paul Hastings, L.L.P., Washington, DC, for Amicus Curiae Antitrust, Patent, and Law-and-Economics Scholars and Jurists.

James A. Barta, Office of the Attorney General for the State of Indiana, Indianapolis, IN, for Amici Curiae State of Utah, State of Indiana, State of Alaska, State of Georgia, State of Idaho, State of Iowa, State of Kentucky, State of Louisiana, State of Nebraska, State of South Carolina, State of Virginia, State of Arkansas.

Zachary Tripp, Weil, Gotshal & Manges, L.L.P., Washington, DC, for Amicus Curiae National Hispanic Medical Association, Et al.

Michael H. McGinley, Dechert, L.L.P., Philadelphia, PA, Steven Engel, Dechert, L.L.P., Washington, DC, for Amici Curiae Military Order of the Purple Heart, National Trauma Education and Policy Institute.

Jeffrey A. Lamken, MoloLamken, L.L.P., Washington, DC, Sara Ellen Margolis, Molo Lamken, L.L.P., New York, NY, for Amici Curiae Doctor George Charames, Doctor Eric Duncavage.

Bilal Sayyed, TechFreedom, Fairfax, VA, for Amicus Curiae TechFreedom.

John Reeves, Reeves Law, L.L.C., Saint Louis, MO, for Amicus Curiae Committee for Justice.

Brianne Jenna Gorod, Constitutional Accountability Center, Washington, DC, for Amicus Curiae Constitutional Accountability Center.

Nicolas Sansone, Public Citizen Litigation Group, Washington, DC, for Amicus Curiae Public Citizen.

Kirk Cooper, Cooper Appeals, P.L.L.C., El Paso, TX, for Amicus Curiae Open Markets Institute.

Katherine Van Dyck, Lee Hepner, American Economic Liberties Project, Washington, DC, for Amicus Curiae American Economic Liberties Project.

Orlando Economos, Attorney, Benjamin M. Seel, Democracy Forward Foundation, Washington, DC, for Amicus Curiae Administrative Law Scholars.

Seth David Greenstein, Constantine Cannon, L.L.P., Washington, DC, for Amicus Curiae 27 Professors of Antitrust, Economics, or Business.

Before Clement, Graves, and Higginson, Circuit Judges.


The Federal Trade Commission determined that Illumina, Inc.'s acquisition of Grail, Inc. violated Section 7 of the Clayton Act, and therefore ordered that the merger be unwound. Because the Commission applied an erroneous legal standard at the rebuttal stage of its analysis, we VACATE the Commission's order and...

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