Mithun Mansinghani

B.A., Rice University, 2008

J.D., Harvard Law School, 2011

• Federal and State Constitutional Law
• Administrative Law
• American Indian Law
• Energy and Environmental Law

About

Mithun Mansinghani is an experienced appellate and trial litigator who has argued cases at all levels in state and federal court, including at the U.S. Supreme Court. Mr. Mansinghani has argued more cases before the Justices of the Oklahoma Supreme Court than any other litigator in the last decade.

From 2017 to 2022, Mr. Mansinghani served as Oklahoma Solicitor General, the state’s chief advocate on appellate matters, constitutional issues, and challenges to federal regulation. In that role, he also advised the Attorney General, the Governor, the Legislature, and other state leadership on critical and high-stakes legal issues.  

As the state’s Solicitor General, Mr. Mansinghani has been nationally recognized for amici briefs he authored on behalf of multi-state coalitions at the U.S. Supreme Court. These amici briefs have been cited in Supreme Court opinions, referenced by the Justices at argument, and received a National Association of Attorneys General “Best Brief” award. He also provides commentary on U.S. Supreme Court cases for media outlets including NPR, The New York Times, SCOTUSblog, and Bloomberg.

In addition to appellate litigation, Mr. Mansinghani has first-chaired several bench trials to successful verdicts. He has conducted all stages of district court litigation, and has prevailed in numerous cases on summary judgment and motions to dismiss.

Mr. Mansinghani’s extensive experience includes federal and state constitutional law, litigating federal and state regulation, and work with state attorneys general. He also has significant experience negotiating with Native American tribes and has litigated some of the nation’s most important federal Indian law cases.

Prior to serving in the Oklahoma Attorney General’s Office, Mr. Mansinghani was a litigator with Gibson, Dunn and Crutcher in Washington, D.C. He served as a law clerk to the Hon. Jerry E. Smith on the U.S. Court of Appeals for the Fifth Circuit. Mr. Mansinghani graduated with honors from Harvard Law School, where he served as an editor of The Harvard Law Review.