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Haynes and Boone

William Feldman

William Feldman



  • Appellate
  • Appellate Case Evaluation and Advice
  • Bankruptcy Appeals
  • Class Action Defense

WSG Practice Industries


Haynes and Boone
New York, U.S.A.

Through concise briefing and cogent oral argument to the Second Circuit Court of Appeals in New York, Will Feldman convinced the Court to unanimously vacate a $10.4 million judgment against his client. This is a recent example of Will’s track record of success representing Fortune 500 companies and other clients in a wide range of legal matters. A former federal appellate and district court law clerk, Will employs his keen insight into how judges think to formulate persuasive legal arguments that focus on the issues that matter most.

As a lawyer in the Appellate Practice Group, Will has presented oral argument to the Second and Fifth Circuit Courts of Appeal. He has authored numerous briefs on behalf of clients on a variety of legal topics, including arbitration, insurance law, contract law, maritime law, bankruptcy, intellectual property, and class actions.

In addition to his appellate experience, Will also works with trial teams to write dispositive motions, draft jury charges, and present legal arguments at hearings and conferences.

Will serves on the pro bono panels of the Third, Fifth, and Ninth Circuit Courts of Appeal, and is currently representing an asylum petitioner in her appeal to the Board of Immigration Appeals.

Beyond his in-court experience, Will has written legal articles on a range of appellate and trial procedure topics and taught at continuing legal education courses. Will is also a member of the Second Circuit Court of Appeals’ Federal Bar Council, and in that role has coordinated programs on appellate advocacy and class action litigation.

Will previously served as a law clerk to Judge Carolyn Dineen King of the United States Fifth Circuit Court of Appeals, and to Judge Janis Graham Jack of the United States District Court for the Southern District of Texas. Before joining the firm, Will was a lawyer at White & Case LLP in Washington, D.C., where he practiced international arbitration and litigation.

Bar Admissions

Texas, 2012
New York, 2007
District of Columbia, 2007


J.D., Cornell Law School, 2006, magna cum laude, Order of the Coif; Cornell International Law Journal, Managing Editor
B.S., Human Development, Cornell University, 2003
Areas of Practice

Appellate | Appellate Case Evaluation and Advice | Bankruptcy Appeals | Class Action Defense | Energy Appeals | Technology and Intellectual Property Appeals

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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