Michelle A. Mantine Photo
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Michelle leads our global Antitrust & Competition Team and has extensive experience in complex antitrust litigation, investigations, and regulatory matters. She has represented clients in a variety of antitrust disputes relating to price-fixing, market allocation, bid rigging, monopolization, tying, and unfair competition. She routinely provides clients with antitrust guidance regarding pre- and post-merger antitrust issues including assistance with assessments filings pursuant to the Hart-Scott-Rodino Act. Michelle also has particular knowledge in assisting clients navigate responses to government investigations and subpoenas. She is very experienced in preparing antitrust compliance training programs and related materials.

Credentials

  • Duquesne University School of Law, 2006, J.D., cum laude, Comment Editor, Duquesne Law Review; Katie Elisabeth Westbrook Award for Excellence (2006); Order of the Barristers (2006); ATLA Regional Trial Competition Champions (2006); Buffalo/Niagara Trial Competition Finalist & Best Advocate Award (2005); National Trial Competition Regional Finalist (2005); Carol Los Mansmann First Year Appellate Moot Court Competition Finalist (2004)
  • Washington & Jefferson College, 2003, B.A., Economics, Political Science and Spanish, summa cum laude, Phi Beta Kappa; recipient of the Benjamin Franklin Book Prize in Economics, the Howard Goldfarb Prize in Political Science, and the J. Adolph Schmitz Prize in Languages

  • Pennsylvania
  • West Virginia

  • State Supreme Court - Pennsylvania
  • Supreme Court of Appeals - West Virginia
  • U.S. District Court - Western District of Pennsylvania
  • U.S. District Court - Southern District of West Virginia
  • U.S. District Court - Northern District of West Virginia
  • U.S. District Court - Central District of Illinois
  • U.S. Court of Appeals - Ninth Circuit

  • American Bar Association – Antitrust Section
  • Washington & Jefferson College – Pre-Law Alumni Advisory Board (2011-present)

  • Chief Judge Gary L. Lancaster (deceased), U.S. District Court - Western District of Pennsylvania, 1 January 2009 to 31 December 2010

Awards & Recognition

  • 2019 Acritas Star
  • 2019 GCR Litigation of the Year Award for Auto Parts Antitrust Litigation 
  • 2016 PBT Fast Trackers List, Pittsburgh Business Times
  • 2016 Lawyers on the Fast Track, The Legal Intelligencer
  • 2011 Outstanding Recent Graduate Award, Duquesne University School of Law, Women’s Law Association

Civic and Charitable Affiliations

  • Pittsburgh YWCA – Board Member (2015-2021); Secretary (2017) Executive Committee Member (2017–2021) and Chair of Development Committee (2017-2019)

Interests

Michelle lives with her husband, Brian, and their three children Madeline, Henry, and Olivia in Sewickley, Pennsylvania. As a former marathoner, competitive figure skater and instructor, and certified yoga and spinning instructor, Michelle is passionate about exercise and its associated benefits on one’s physical, mental, and emotional well-being.