Mark A. Jacobson

Co-Chair, Antitrust


(612) 260-9025

(612) 260-8026

Mark has more than 30 years’ experience representing clients in antitrust litigation, investigations and counseling, contract disputes, class action litigation, franchise, dealer and sales representative disputes, appeals, temporary restraining orders and preliminary injunctions, health industry litigation and regulation, trademark, copyright and patent infringement cases, and other business disputes. Mark represents both plaintiffs and defendants and particularly enjoys tackling complex legal issues that are intertwined with business issues. 

Mark is often retained by referral or as local counsel to guide litigants through Minnesota courts. He has been a member of the Federal Practice Committee for the District of Minnesota, chair and member of the Minnesota State Bar Association Antitrust Section Council, and long-time member of the Minnesota State Bar Association Policy Committee and General Assembly. Mark is also experienced in mediation, arbitration, and other alternative dispute resolution techniques as an advocate, mediator, and arbitrator.

Chambers and Partners rank Mark a Band 1 antitrust lawyer in Minnesota. Best Lawyers has named Mark its 2019 Lawyer of the Year – Antitrust Litigation in Minnesota.



More Than 200 Cozen O’Connor Attorneys Named Best Lawyers and Ones to Watch By The Best Lawyers In America

August 20, 2020

Best Lawyers selected 201 Cozen O’Connor lawyers from 23 of the firm’s nationwide offices for inclusion in the 2021 edition of The Best Lawyers in America© (Copyright 2020 by Woodward/White, Inc., of Aiken, SC).

Super Lawyers Names Four Minnesota Cozen O’Connor Attorneys to its 2020 List

July 23, 2020

Super Lawyers has named four Cozen O’Connor attorneys to its 2020 Minnesota Super Lawyers and Rising Stars lists. Three were recognized as Super Lawyers and one was named “Rising Star.”

63 Cozen O’Connor Lawyers, 16 Practices Earn Top Recognition in Chambers USA 2020 Guide

May 14, 2020

Chambers USA, the leading annual guide to the top lawyers and law firms in the United States, has ranked 63 Cozen O’Connor lawyers as leaders in their respective fields in the guide’s 2020 edition.

Breaking the Ice: Antitrust success means ‘getting the basics right’

December 11, 2019

Mark Jacobson was featured in the Minnesota Lawyer discussing his practice and what he enjoys most about it.

138 Cozen O’Connor Attorneys Named to the Best Lawyers in America

August 28, 2019

Best Lawyers selected 138 Cozen O’Connor lawyers from 21 of the firm’s national offices for inclusion in the 2020 edition of The Best Lawyers in America.

57 Cozen O’Connor Lawyers, 16 Practices Earn Top Recognition in Chambers USA 2019 Guide

April 25, 2019

Chambers USA, the leading annual guide to the top lawyers and law firms in the USA, has ranked 57 Cozen O’Connor lawyers as leaders in their respective fields in the Guide’s 2019 edition.

Seven Cozen O’Connor Lawyers Named 2019 “Lawyers of the Year” by Best Lawyers in America

August 31, 2018

Cozen O’Connor is proud to announce that seven of the firm’s lawyers have been recognized as “Lawyers of the Year” in their respective practices by Best Lawyers in America, one of the oldest and most highly regarded peer review publications in the legal profession.

126 Cozen O’Connor Attorneys Named to the Best Lawyers in America

August 22, 2018

One hundred twenty-six Cozen O’Connor lawyers from 20 of the firm’s national offices have been selected for inclusion in the 2018 edition of The Best Lawyers in America.

Top Rated Antitrust Litigator Joins the Minneapolis Office

January 08, 2018

Cozen O’Connor, one of the country’s most successful commercial litigation firms, is pleased to welcome litigator Mark A. Jacobson to its Commercial Litigation Department’s business litigation group.


COVID-19 and the Risk of Anti-Competitive Employment Practices

May 11, 2020

David Reichenberg, Jonathan Grossman, Mark Jacobson and Max Kaplan published an article to Corporate Compliance Insights discussing how employers, staffers, and recruiters should be cautious of antitrust enforcement during COVID-19.

Events & Seminars

Past Events

Health Law 2021

December 07, 2020 - Webinar

2019 ACC Annual Meeting

October 29, 2019 - Phoenix, Arizona

Council of Multiple Listing Services Legal Seminar 2019

October 16, 2019 - Salt Lake City, Utah

2019 In-House Counsel CLE Series

September 17, 2019 - Minneapolis, MN

Advanced Business Law Series 2019

August 19, 2019 - Minneapolis, MN

Government and Private Multidistrict Litigation

September 24, 2018 - Minneapolis, MN

Sports Law for Rookies & Veterans 2018

June 06, 2018 - Minneapolis, MN


  • University of Minnesota Law School, J.D., magna cum laude, 1987
  • University of North Carolina - Chapel Hill, B.A., 1983

Awards & Honors

Chambers USA: America's Leading Lawyers for Business, Antitrust - Minnesota, 2015-2020

North Star Lawyer, Minnesota State Bar Association, 2014-2015

Best Lawyers in America, Litigation-Antitrust and Litigation–Intellectual Property, 2011-2015, 2017-2021

Best Lawyers in America, Litigation-Antitrust, Minneapolis "Lawyer of the Year" 2019

Minnesota Super Lawyers, Intellectual Property Litigation and Business Litigation, 1999-2005, 2010-2017, 2020

Minnesota Super Lawyers - Top 40 Business Litigation Lawyers, 2003

Minnesota Super Lawyers - Top 40 Alternative Dispute Resolution Lawyers, 2003

Martindale Hubbell, AV Preeminent and Top Rated Lawyer in Intellectual Property Litigation and Commercial Litigation, 1996-2019

Martindale Hubbell, AV Preeminent Judicial Edition, Highest Rating in Legal Ability and Ethical Standards, 2019

Hennepin County District Court, Appreciation & Recognition Award, Pro Bono Services, 2003

America's Top 100 High Stakes Litigators

  • Minnesota
  • District of Columbia
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Third Circuit
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. District Court -- North Dakota
  • U.S. District Court -- Minnesota
  • U.S. District Court -- Northern District of Illinois
  • U.S. District Court -- District of Columbia

American Bar Association, Litigation; Antitrust; and Franchising Sections, Member

Minnesota State Bar Association, former General Assembly & General Policy Committee Member; Litigation Section Member; Antitrust Section Council Member, Former Chair, Treasurer, Secretary

Hennepin County Bar Association, Civil Litigation Section

Federal Bar Association, Member

District Court for Minnesota, Federal Practice Committee Member, 2009-2012

The Center for Victims of Torture, Board Member and Chair of Development Committee

Bloomington, Minnesota, School District Gifted and Talented Advisory Committee, Member

Peace Lutheran Church, Church Council, President, Vice President

Peace Lutheran Church, Service Committee, Chair

Groton School Alumni/ae parent Admissions Committee, Member

Morehead-Cain Scholarship Alumni Scholar Selection Committee, Member