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John G. Calender

Shareholder

John G. Calender, former managing shareholder of the Washington, D.C. office and former member of the Firm's Board of Directors, concentrates his practice in antitrust, commercial litigation, government investigations, and in compliance training and counseling, both domestic and international.

Professional Biography


Mr. Calender has extensive antitrust experience with administrative trials, investigations, hospital mergers, compliance issues and consent orders before the Federal Trade Commission and the Department of Justice. Mr. Calender regularly counsels clients on antitrust issues including antitrust/intellectual property issues, international antitrust issues, antitrust exemptions, health care and distribution issues, trade association issues and on a variety of other matters.

He has made presentations to Congressional staff, responded to Congressional inquiries and conducted internal investigations on behalf of major financial institutions and manufacturers. 

Mr. Calender's litigation experience includes the management of large teams of attorneys, experts, economists, paralegals and support staff in complex litigation and class action suits in federal and state courts, as well as in agency investigations.  He has successfully defended major Federal Trade Commission and Department of Justice antitrust trials and investigations involving merger cases (both horizontal and vertical), price fixing, market allocation, benchmarking, monopolization and price discrimination.  He has also responded to inquiries from various State Attorneys General.

  • Lead counsel for defendant in a multi-defendant class action alleging collusive practices in the pricing of multi-family apartments through information sharing.

  • Represented clients in investigations and consents involving the Department of Justice and the Federal Trade Commission.

  • Member – District of Columbia Bar Association
  • Member – American Bar Association, Antitrust Section
  • Listed in The Best Lawyers in America® for Litigation - Antitrust (2020 – 2024)
  • Listed in Washington, D.C. Super Lawyers in Antitrust Litigation (2013 – 2024)
  • Recipient – Baker Donelson Firm Wide Award for Pro Bono Service (2020)
  • Recipient – Baker Donelson's Washington, D.C. Office Pro Bono Award (2009, 2012, 2013)
  • Named an Outstanding Healthcare Antitrust Lawyer by Nightingale's Healthcare News (2007)
  • Member – Competition Editorial Advisory Board, Law360 (2010)
  • Recipient – Extraordinary Performance Award in Recognition of Outstanding Work in the Homeless Community from The Community for Creative Non-Violence, largest homeless shelter in the U.S. (2010)
  • Capital Pro Bono High Honor Roll from D.C. Court of Appeals and D.C. Superior Court for "remarkable pro bono service to our neighbors in need" (2012 – 2021)
  • Member – Baker Donelson Pro Bono Committee
  • Member – American Health Law Association (Antitrust Group)
  • Former member of Baker Donelson's Board of Directors 
  • Speaker at various seminars within his practice areas
  • Panelist – "Competition or Regulation? State COPA Laws and Hospital Mergers," AHLA and ABA Section of Antitrust Law 2018 Antitrust in Healthcare Conference (May 2018)
  • Co-speaker – "The Rise in Simultaneous Antitrust and Anti-Corruption Investigations," American Conference Institute FCPA Conference, New York (May 2015)
  • "June Antitrust Update for In-House Counsel," Antitrust Law Section, American Bar Association (July 2012)

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