Mark B. Helm

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Select Speaking Engagements

Mark Helm is a trial lawyer and appellate advocate with special experience in disputes involving investment firms or their portfolio companies; media and intellectual property matters; and claims against law firms. Mr. Helm is listed as one of The Best Lawyers in America with a specialty in media law.

Mr. Helm’s experience representing asset management firms includes matters for: 

  • DoubleLine Capital and CEO Jeffrey Gundlach in a lawsuit brought by his former employer, Trust Company of the West, alleging theft of trade secrets and breach of fiduciary duties. The jury awarded Gundlach $66.7 million and no damages to TCW. The case was recognized by the Daily Journal as one of 2011’s Top Defense Verdicts.
  • EIG Global Energy Partners in obtaining in 2012 a preliminary injunction preventing Trust Company of the West from including in its sale to Carlyle Group a $4 billion investment fund subject to a change-of-control provision. An arbitration proceeding challenging the sale was later resolved.
  • Oaktree Capital Management in an arbitration brought by one of its former principals seeking compensation allegedly owed, which resulted in an eight-figure monetary award for Oaktree.

Mr. Helm’s experience in media matters includes the following:

  • Represented New Line Cinema in defending and resolving claims asserted by the heirs of J.R.R. Tolkien challenging the participation accounting for the “Lord of the Rings” movies.
  • Obtained a jury verdict for Metro-Goldwyn-Mayer Studios in a highly publicized invasion-of-privacy case arising from a television broadcast, which The National Law Journal called one of the 10 most significant defense verdicts of 2001.
  • Successfully prosecuted for Danjaq, Metro-Goldwyn-Mayer Studios and United Artists Pictures copyright and trademark claims to stop a movie studio’s efforts to develop a new series of “James Bond” films.
  • Represented television and print news organizations in numerous cases alleging defamation or invasion of privacy and in cases seeking access to government proceedings.
  • Litigated for a church a copyright dispute over the rights to religious works.

Mr. Helm’s experience representing law firms includes the following:

  • Defended numerous malpractice claims arising from a wide range of transactions or lawsuits, including international banking transactions, initial public offerings, sales of businesses and many others.
  • Successfully argued before the California Supreme Court the seminal case of Viner v. Sweet, which held that a plaintiff must prove but-for causation in a transactional legal malpractice case.
  • Successfully resolved claims that a departing group of lawyers allegedly breached their fiduciary duties and contributed to the demise of a well-known San Francisco law firm, as well as claims for unfinished business.
  • Conducted an internal investigation into suspected billing irregularities by a law firm partner.
  • Represented law firms in numerous cases alleging malicious prosecution, abuse of process, and conflicts of interest.

Mr. Helm has significant experience in trade secrets and employee mobility cases in numerous industries, including asset management, aircraft leasing, and technology of various kinds, and has lectured extensively on the subject. He also has extensive experience as an appellate advocate, having argued more than 25 appeals in state and federal courts throughout the country, and is frequently retained at the post-trial-motion stage after unsuccessful trials.

From 2005 to 2010, Mr. Helm served as co-managing partner of Munger Tolles and was named in 2008 as one of Lawdragon’s “100 Managing Partners You Need to Know.” He served from 2009 to 2012 as co-chair of the ABA Litigation Section’s Committee on Pro Bono and Public Interest.

Mr. Helm was a member of the Professional Responsibility and Ethics Committee of the Los Angeles County Bar Association from 1988 to 1993, serving as its chair in the last year. He also served on the County Bar’s Liaison Committee with the ABA Commission on Ethics 2000. He was coordinating contributing editor for the California Practice Handbook, Attorney Ethics (Matthew Bender 1993) and has written and lectured extensively on legal ethics.

Mr. Helm is a vice chair of the board of directors of the YMCA of Metropolitan Los Angeles and is a member of the Pacific Council on International Policy.

Before joining Munger Tolles, Mr. Helm clerked for Chief Justice Warren E. Burger of the U.S. Supreme Court (1983-1984) and Judge Carl McGowan of the United States Court of Appeals for the District of Columbia Circuit (1982-1983). Before attending law school, Mr. Helm served for a year as the political speechwriter for Mayor Kevin H. White of Boston.

Mark Helm is a trial lawyer and appellate advocate with special experience in disputes involving investment firms or their portfolio companies; media and intellectual property matters; and claims against law firms. Mr. Helm is listed as one of The Best Lawyers in America with a specialty in media law.

Mr. Helm’s experience representing asset management firms includes matters for: 

  • DoubleLine Capital and CEO Jeffrey Gundlach in a lawsuit brought by his former employer, Trust Company of the West, alleging theft of trade secrets and breach of fiduciary duties. The jury awarded Gundlach $66.7 million and no damages to TCW. The case was recognized by the Daily Journal as one of 2011’s Top Defense Verdicts.
  • EIG Global Energy Partners in obtaining in 2012 a preliminary injunction preventing Trust Company of the West from including in its sale to Carlyle Group a $4 billion investment fund subject to a change-of-control provision. An arbitration proceeding challenging the sale was later resolved.
  • Oaktree Capital Management in an arbitration brought by one of its former principals seeking compensation allegedly owed, which resulted in an eight-figure monetary award for Oaktree.

Mr. Helm’s experience in media matters includes the following:

  • Represented New Line Cinema in defending and resolving claims asserted by the heirs of J.R.R. Tolkien challenging the participation accounting for the “Lord of the Rings” movies.
  • Obtained a jury verdict for Metro-Goldwyn-Mayer Studios in a highly publicized invasion-of-privacy case arising from a television broadcast, which The National Law Journal called one of the 10 most significant defense verdicts of 2001.
  • Successfully prosecuted for Danjaq, Metro-Goldwyn-Mayer Studios and United Artists Pictures copyright and trademark claims to stop a movie studio’s efforts to develop a new series of “James Bond” films.
  • Represented television and print news organizations in numerous cases alleging defamation or invasion of privacy and in cases seeking access to government proceedings.
  • Litigated for a church a copyright dispute over the rights to religious works.

Mr. Helm’s experience representing law firms includes the following:

  • Defended numerous malpractice claims arising from a wide range of transactions or lawsuits, including international banking transactions, initial public offerings, sales of businesses and many others.
  • Successfully argued before the California Supreme Court the seminal case of Viner v. Sweet, which held that a plaintiff must prove but-for causation in a transactional legal malpractice case.
  • Successfully resolved claims that a departing group of lawyers allegedly breached their fiduciary duties and contributed to the demise of a well-known San Francisco law firm, as well as claims for unfinished business.
  • Conducted an internal investigation into suspected billing irregularities by a law firm partner.
  • Represented law firms in numerous cases alleging malicious prosecution, abuse of process, and conflicts of interest.

Mr. Helm has significant experience in trade secrets and employee mobility cases in numerous industries, including asset management, aircraft leasing, and technology of various kinds, and has lectured extensively on the subject. He also has extensive experience as an appellate advocate, having argued more than 25 appeals in state and federal courts throughout the country, and is frequently retained at the post-trial-motion stage after unsuccessful trials.

From 2005 to 2010, Mr. Helm served as co-managing partner of Munger Tolles and was named in 2008 as one of Lawdragon’s “100 Managing Partners You Need to Know.” He served from 2009 to 2012 as co-chair of the ABA Litigation Section’s Committee on Pro Bono and Public Interest.

Mr. Helm was a member of the Professional Responsibility and Ethics Committee of the Los Angeles County Bar Association from 1988 to 1993, serving as its chair in the last year. He also served on the County Bar’s Liaison Committee with the ABA Commission on Ethics 2000. He was coordinating contributing editor for the California Practice Handbook, Attorney Ethics (Matthew Bender 1993) and has written and lectured extensively on legal ethics.

Mr. Helm is a vice chair of the board of directors of the YMCA of Metropolitan Los Angeles and is a member of the Pacific Council on International Policy.

Before joining Munger Tolles, Mr. Helm clerked for Chief Justice Warren E. Burger of the U.S. Supreme Court (1983-1984) and Judge Carl McGowan of the United States Court of Appeals for the District of Columbia Circuit (1982-1983). Before attending law school, Mr. Helm served for a year as the political speechwriter for Mayor Kevin H. White of Boston.

Select Speaking Engagements

  • “Managing Partner Liability Issues” (13th Annual Aon Large Law Firm Symposium Chicago, Illinois, October 17, 2013)

  • “Jury Selection and Persuasion” (Bridgeport Continuing Legal Education seminar, Los Angeles, California, September 12, 2013)
     
  • “Trying the Trade Secret Case” (Bridgeport Continuing Legal Education seminar, Los Angeles, California, May 2, 2013)
     
  • “Trial Tips: Effective Trial Themes, Why Experts And Demonstrative Exhibits Are Imperative – earlier than in other cases – and how to select a jury” (Second Annual Advanced Trade Secret/Employee Mobility Practicum, San Francisco, California, March 29, 2013)
     
  • “Signs of the Times: What Law Firm Management Needs to Know About Law Firm Retirement Polices and Jewel v. Boxer” (Attorneys' Liability Assurance Society Annual General Meeting, Whistler, Canada, June 22, 2012)
     
  • “Trade Secrets and Business Litigation Trial Strategies” (Calif. State Bar Intellectual Property Section webinar June 20, 2012)
     
  • “Litigating a Trade Secret Case” (Bridgeport Continuing Legal Education seminar, San Francisco, California, December 9, 2011)