Andrew Lyons-Berg focuses his practice on litigation in the Supreme Court and appellate courts across the country, as well as major motions at the trial-court level. He has briefed more than fifty appellate matters and dispositive motions, and has argued before the US Court of Appeals for the Sixth Circuit. Andrew also has extensive experience with agency litigation under the Administrative Procedure Act, including several recent victories setting aside federal agency action.
Andrew previously served as a law clerk to the Honorable Kim McLane Wardlaw on the US Court of Appeals for the Ninth Circuit. While in law school, he was a forum editor of the Yale Law Journal.
Obtained a Supreme Court victory expanding judicial review over administrative decisions on Convention Against Torture claims. (Nasrallah v. Barr)
Won a complex statutory-interpretation decision in the Supreme Court securing a favorable construction of the Immigration and Nationality Act. (Guerrero-Lasprilla v. Barr/Ovalles v. Barr)
Obtained a permanent nationwide injunction on behalf of a consortium of leading colleges and universities, blocking an immigration policy detrimental to the interests of international students. (Guilford College v. Wolf, M.D.N.C.)
Helped secure a Supreme Court win in a case that significantly narrowed the administrative law doctrine of Auer deference. (Kisor v. Wilkie)
The Legal 500 US, Appellate-Courts of Appeals/Appellate-Supreme Courts, 2021
Yale Law School, JD, 2016
Williams College, BA, magna cum laude, 2011
Courts / Agencies US Supreme Court
US Court of Appeals for the Second Circuit
US Court of Appeals for the Fifth Circuit
US Court of Appeals for the Sixth Circuit
US Court of Appeals for the Seventh Circuit
US Court of Appeals for the Ninth Circuit
US Court of Appeals for the District of Columbia Circuit
US District Court for the District of Columbia
Do not send any information or documents that you want to have treated as secret or confidential. Providing information to McDermott via email links on this website or other introductory email communications will not create an attorney-client relationship; will not preclude McDermott from representing any other person or firm in any matter; and will not obligate McDermott to keep confidential the information you provide. McDermott cannot enter into an attorney-client relationship with you until McDermott has determined that doing so will not create a conflict of interest and until you and McDermott have entered into a written agreement or engagement letter that sets forth the terms of our relationship.