Bob negotiated an arbitration agreement that enabled us to try our case within three months, at a fraction the cost of a protracted court battle. Then, with his team of antitrust lawyers and economists, Bob developed and presented creative arguments that carried the day.
Scott Engle, former President and CEO, Transfirst Corporation


One of Dallas’ most respected commercial litigators, Bob Cohan has helped resolve complex disputes for local and national companies for more than 40 years.  While he has handled litigation matters ranging from contract disputes to banking and lender liability, securities fraud, franchising, copyright and trademark infringement, and director and officer liability, including class actions, Bob has placed particular emphasis on antitrust litigation and appellate advocacy.

In resolving disputes for his clients, Bob focuses relentlessly on obtaining the best results for those clients.  This approach requires listening, understanding the client’s objectives, and identifying the most effective means of achieving those objectives.  Bob recognizes that a client’s interest may be best served by early resolution of a dispute – whether by dispositive motion, negotiated settlement, or some alternative form of dispute resolution.  Over his 40-year career, Bob has helped his clients achieve outstanding results by acting on his belief that the best lawyer is not the one who shouts the loudest or exhibits the toughest demeanor, but rather the one who prepares the most thoroughly and who earns the trust of the judge or jury.

Initially trained as an antitrust litigator at the Wald, Harkrader & Ross firm in Washington, D.C., Bob had the rare opportunity early in his career to be part of the trial team defending a merger before the Federal Trade Commission and on appeal to the Ninth Circuit.  More recently, his antitrust clients have included Barnes & Noble, Cargill Incorporated, Allstate Insurance Company, The Salvation Army, and Burger King Corporation.  Bob has prosecuted and defended antitrust claims in state and federal court, in arbitrations, and before the Department of Justice, the Federal Trade Commission, and the Texas Attorney General’s Office.

Bob is also an accomplished appellate advocate.  He has filed briefs in the United States Supreme Court and has argued cases in the Texas Supreme Court, the United States Court of Appeals for the Fifth Circuit, and a number of other appellate tribunals. There is nothing Bob enjoys more in the practice of law than fashioning, preparing and presenting an argument before a panel of judges, especially one that asks a lot of question.

In 1978 Bob opened a Dallas Office for the Wald, Harkrader firm.  When Wald Harkrader was acquired by a larger firm, Bob co-founded Cohan, Simpson, Cowlishaw, Aranza & Wulff LLP, which became one of Dallas’ most respected litigation boutiques.  Cohan Simpson merged into Jackson Walker in 2001.

Career Highlights


Bob has served as Chair of both the Antitrust and Business Litigation Section of the State Bar of Texas and the Antitrust and Trade Regulation Section of the Dallas Bar Association.  Bob is also a Master in the Patrick E. Higginbotham American Inn of Court.

  • Won affirmance of order of dismissal for failure to state a claim, and denial of Petition for Writ of Certiorari, in a case alleging violation of home equity lending provisions of the Texas Constitution. Hawkins v. JP Morgan Chase Bank N.A.,  No. 15-272, U.S. Supreme Court, 577 U.S.__ (Dec. 7, 2015).
  • Won summary judgment disposing of all antitrust claims, including monopolization, attempt to monopolize, abuse of monopoly power, and conspiracy in restraint of trade. Schauer v. Cargill Incorporated, No. 21,586, District Court of Gonzales County, Texas (2006).
  • Obtained Judgment as a Matter of Law setting aside an $11 million jury verdict in the U.S. District Court. Won affirmance in the Fifth Circuit. Klumpe v. IBP, Inc., 309 F.3d 279 (5th Cir. 2002).
  • Won unanimous decision in the Texas Supreme Court overturning jury verdict and reversing Court of Appeal decision. Excel Corp. v. Apodaca, 81 S.W.3d 817 (Tex. 2002).
  • Won take nothing judgment for the defendant after 26-day trial in a suit alleging fraud, negligent misrepresentation and breach of fiduciary duty. Won affirmance on appeal. Wil-Roye Investment Co. II v. Washington Mutual Bank, 142 S.W.3d 393 (App.–El Paso 2004).


  • Dallas Theater Center, Board of Trustees, 2008-2014
  • Temple Emanu-El – Dallas, Texas, President, 2003-2005

News & Events

  • Spotlight

    Jackson Walker Congratulates Its Best Lawyers in America 2016

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  • Press release

    Bob Cohan Quoted in ‘Law360’ on Advice for New Partners

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  • Press release

    Jackson Walker Congratulates Its Best Lawyers in America 2015

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  • Press release

    Jackson Walker attorneys selected for 2014 The Best Lawyers in America

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