Marshall has been honored by Chambers USA in the Nationwide Trial Lawyers, Commercial Litigation and Media & Entertainment Litigation categories. Chambers described him as “a highly respected and talented trial litigator” and sources noted his ability to “take a complex set of facts and really focus on what is important” and that he is “smart, creative and a great orator.” Marshall is among the few lawyers to be top ranked by Chambers in three different areas of litigation. For more than 20 years, he has been listed in the Best Lawyers in America (Bet-the-Company Litigation and Commercial Litigation). For several years he has been listed among the “100 Most Influential Lawyers” in California by the Daily Journal. Marshall is named one of LawDragon’s 500 “Leading Lawyers in America.” Marshall was also profiled as the cover story in the 2010 edition of Southern California Super Lawyers magazine.
From 2001–2010, he served as a commissioner (and also served as chair) of the California Commission on Judicial Performance.
Having represented clients throughout the U.S. for more than 40 years, Marshall is admitted to practice in numerous state and federal courts.