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Tacy F. Flint


Tacy F. Flint is a member of the firm’s Appellate practice group. Prior to joining the firm, Tacy served as a law clerk to Judge Richard Posner of the U.S. Court of Appeals for the Seventh Circuit and Justice Stephen Breyer of the U.S. Supreme Court. She graduated with highest honors from the University of Chicago Law School, where she served as Executive Editor of the University of Chicago Law Review.

Tacy has authored appellate briefs and critical motions in major commercial and constitutional cases in a variety of state and federal courts, including the U.S. Supreme Court, and has argued in state and federal courts of appeals. Her cases have concerned a wide range of legal issues. She has extensive experience in intellectual property cases, and has authored numerous briefs in cases concerning patent, copyright, and trade secret law. She has also handled matters concerning antitrust law, federal preemption, state and federal tax law, securities laws, injunction standards, contract disputes, federal jurisdiction, the First Amendment, and other issues.

Representative cases include:

  • In the U.S. Supreme Court, won a ruling that a railroad could challenge a discriminatory state tax under the Railroad Revitalization and Regulatory Reform Act, reversing a decision from the Eleventh Circuit.
  • In a multimillion-dollar copyright and trade secret case, obtained dismissal of the complaint before a district court, successfully defended the dismissal on appeal to the Seventh Circuit, and won attorneys’ fees.
  • In the Federal Circuit, succeeded in having an award of more than $500 million in patent infringement damages vacated and case remanded for a new trial.
  • In a case in the Seventh Circuit concerning a novel interpretation of the Class Action Fairness Act, won judgment that class action had been properly removed to federal court.
  • In appeals before the D.C. and Eleventh Circuits, won reversal of two separate district court judgments and prevented disclosure of private financial information under the Freedom of Information Act.
  • In two separate cases, won dismissal under Rule 12(b)(6) of federal and state antitrust claims against regional trade associations.

Tacy maintains an active pro bono practice, and in 2011 she was awarded Sidley’s Thomas H. Morsch Award for Pro Bono Achievement. She presents regularly at panels regarding legal developments at the Supreme Court, and she serves as an instructor in the Supreme Court Practice law clinic at Northwestern University.

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