Daniel Winik



Daniel Winik focuses his practice on appellate litigation. He has argued before the US Courts of Appeals for the Sixth and Ninth Circuits and drafted briefs before the US Supreme Court (in certiorari and merits proceedings) and the US Courts of Appeals for the First, Second, Fourth, Fifth, Sixth, Ninth, Tenth, Eleventh, Federal and DC Circuits. He has also participated in district court litigation of matters raising complex legal questions, and has counseled universities and other clients on a range of subjects.

Mr. Winik maintains an active pro bono appellate practice, particularly in the areas of immigration and criminal law.

Mr. Winik rejoined the firm in 2014 following a clerkship with the Honorable Sonia Sotomayor of the US Supreme Court. Prior to joining the firm in 2012, Mr. Winik served as a law clerk to the Honorable Stephen Reinhardt of the US Court of Appeals for the Ninth Circuit.

Mr. Winik is a member of the Edward Coke Appellate Inn of Court.

Publications & News


January 31, 2017

False Claims Act: 2016 Year-in-Review

In 2016, the Department of Justice continued to give high priority to False Claims Act investigations and prosecutions. This WilmerHale Client Alert was republished by Pratt's Government Contracting Law Report.

January 12, 2016

False Claims Act: 2015 Year-in-Review

In 2015, the Justice Department continued to give high priority to False Claims Act investigations, bringing in nearly $3.6 billion in settlements and judgments.

September 27, 2015

Native American Tribes Settle Lawsuit Against US Government Agencies

A federal judge in Oklahoma has approved a $186 million settlement of litigation between the United States and two Native America tribes, the Chickasaw and Choctaw Nations.

June 26, 2013

WilmerHale Plays Key Role in Historic Supreme Court Ruling Favoring Marriage Equality

On June 26, 2013, the Supreme Court of the United States issued two long-awaited decisions affecting the legality of same-sex marriage. The law firm WilmerHale played a significant role in both cases, which involved challenges to the federal Defense of Marriage Act (DOMA) and California’s Proposition 8.


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JD, Yale Law School, 2011, Articles Editor, Yale Law Journal; Thurman Arnold and Potter Stewart Prizes, Morris Tyler Moot Court of Appeals

BA, Ethics, Politics and Economics, summa cum laude, Yale College, 2007

Bar Admissions

District of Columbia



The Hon. Sonia Sotomayor, US Supreme Court, 2013 - 2014

The Hon. Stephen Reinhardt, US Court of Appeals for the Ninth Circuit, 2011 - 2012

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