Commercial Litigation
Mark L. Johansen
Recognized in Best Lawyers since 2016 
Firm
Egan Nelson LLP
9 Best Lawyers awards
Awarded Practice Areas
Biography
Mark Johansen's practice focuses on complex commercial litigation in state and federal courts. He also regularly represents clients in arbitration proceedings before the American Arbitration Association (AAA), Judicial Arbitration and Mediation Services (JAMS), and the Financial Industry Regulatory Authority (FINRA).
Mark has handled litigation and arbitrations involving mergers and acquisitions, contract disputes, business torts, labor/employment, trade secrets, securities/shareholder litigation and professional liability. In addition, Mark has conducted internal corporate investigations involving allegations of fraud and ethics violations. He has represented clients in a number of industries including energy, financial services, healthcare, insurance, manufacturing, private equity, real estate and technology.
Firm
Egan Nelson LLP
9 Best Lawyers awards
Overview
- University of Oklahoma, J.D., graduated 1986
- Texas, State Bar of Texas
- Texas, U.S. District Courts for the Northern, Eastern and Southern District of Texas
- Texas, U.S. Courts of Appeals for the Fifth and D.C. Circuits
- Big Brothers & Sisters of Metropolitan Dallas - Former Director
- Dallas Bar Association - Life Fellow
- State Bar of Texas - Member
- Texas Bar Foundation - Fellow
- William (Mac) Taylor Inn of Court - Master
- Texas, State Bar of Texas
- Texas, U.S. District Courts for the Northern, Eastern and Southern District of Texas
- Texas, U.S. Courts of Appeals for the Fifth and D.C. Circuits
- Big Brothers & Sisters of Metropolitan Dallas - Former Director
- Dallas Bar Association - Life Fellow
- State Bar of Texas - Member
- Texas Bar Foundation - Fellow
- William (Mac) Taylor Inn of Court - Master
- University of Oklahoma, J.D., graduated 1986
Client Testimonials
Awards & Focus
Recognized in The Best Lawyers in America® 2026 for work in:
- Commercial Litigation
Awards:
- Best Lawyers in America, 2016-2018
- Preeminent AV Rated by Martindale-Hubbell
- Recognized on the list of Texas Super Lawyers, 2003-2017
- Selected as a "Best Lawyer in Dallas" in the area of Business Litigation by D Magazine, 2014, 2015, 2016, 2017
News & Media
Case History
Cases
- Trial Counsel
Represented Dallas-based public company and its Board of Directors in shareholder derivative litigation arising from $1B tender offer. Defeated three applications for injunctive relief, which permitted tender offer to proceed. Defeated $7M claim for attorneys' fees and forced nuisance value settlement of lead Plaintiff's claims.
- Trial Counsel
Represented minority shareholders in breach of fiduciary duty and oppression suit against majority shareholders/directors. Obtained favorable settlement for client
- Trial Counsel
Represented bank holding company officer/director in Federal Reserve enforcement proceeding involving claims under Federal Change in Bank Control Act. Obtained favorable settlement for client
- Trial Counsel
Represented prominent Dallas entrepreneur/business executive in well-publicized case arising from merger of two public technology companies in which the plaintiff alleged damages of $1B; obtained summary judgment for client
- Trial Counsel
Represented international equipment manufacturer in case involving claims of breach of contract and fraud in which the plaintiff alleged damages of $1.3M; unanimous jury verdict for client
- Trial Counsel
Represented national pharmaceutical company in arbitration proceeding in breach of contract case related to large-scale software implementation; obtained arbitration award in favor of client.
- Trial Counsel
Represented hospital against Big Four accounting firm in arbitration proceeding involving negligent audits of hospital resulting in $30M overstatement of accounts receivable; obtained arbitration award in favor of client.
- Trial Counsel
Represented Dallas-based private equity firm in suit arising from acquisition of global insurance/reinsurance brokerage organization. Plaintiff alleged damages of approximately $15M, based upon alleged value of adverse party's interest in acquired company. Obtained favorable settlement for client.
- Trial Counsel
Represented Hollywood actor, director and producer in high profile litigation in Los Angeles Superior Court. Case was ancillary to litigation between a motion picture production company and a European film distribution company involving claims of breach of contract and fraud concerning multi-picture distribution agreement. Obtained favorable settlement for client.
- Trial Counsel
Represented investment banking firm in litigation arising from sale of insurance business. Adverse party brought claims for fraud and breach of fiduciary duty and sought damages of $18M. Obtained summary judgment and dismissal of all claims against client.
- Trial Counsel
Represented individual plaintiffs against professional services company in case involving claims of breach of contract, fraud, negligent misrepresentation and deceptive trade practices. Following two-week jury trial, jury returned verdict on all claims in favor of clients. Total judgment entered for $1.9 million.
- Trial Counsel
Represented regional owner/operator of multiple veterinary hospitals in breach of contract and fraud case arising out of client’s purchase of two veterinary hospitals in North Texas. Claims arose from seller’s breach of representations and warranties in asset purchase agreement relating to accuracy of financial information provided to buyer prior to sale transaction. Seller asserted counterclaim against buyer for breach of contract and fraud. Court dismissed counterclaim in entirety, and case settled on terms favorable to client during jury trial.
- Trial Counsel
Represented Sellers of several rehabilitation hospitals in suit against Buyer in Delaware Chancery Court in which Sellers asserted claims for breach of contract under Asset Purchase Agreement. Seller sought recovery of $4M in damages. Following discovery and mediation, case settled on terms favorable to client.
- Trial Counsel
Represented international securities firm and broker-dealer in FINRA arbitration against former financial advisor employee in suit to recover amounts due under forgivable promissory note. Former employee denied liability and counterclaimed for $3.3M in damages. Arbitration panel awarded client full amount of loan indebtedness and denied the former employee's counterclaim in the entirety.
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