About Mark S.
Mark S. Adams built a steady professional path that begins with a strong academic base and moves into sustained federal practice. He earned a B.S. from the University of California, Los Angeles in 1979, followed by an MBA from Baylor University in 1983. He completed his legal studies at Loyola Law School, Los Angeles, receiving his J.D. in 1986.
His career includes long-standing involvement in federal and state courts. He has been a partner at Jeffer Mangels Butler & Mitchell LLP since 2009. Over the years he has maintained admissions to multiple federal courts, including the U.S. Court of Federal Claims, the U.S. Court of Appeals for the Federal Circuit, and the Northern, Southern, Central and Eastern Districts of California, as well as admission to practice in the State of California.
Adams’s practice reflects the procedural and substantive demands of federal litigation. He appears in trial and appellate settings and handles matters that require familiarity with both district court procedure and appeals before the Federal Circuit. His courtroom work involves presenting complex disputes to judges and juries, and preparing the appellate briefs and records that follow trial outcomes.
Colleagues and peers encounter him in professional organizations. He holds current memberships in the State Bar of California, the Orange County Bar Association, the Federal Bar Association and the Association of Business Trial Lawyers. Those memberships place him in regular contact with other lawyers who handle business disputes, federal practice and trial work.
Clients see the benefit of an attorney who combines business training and legal experience. His MBA informs the way he evaluates commercial disputes, while his long legal tenure shapes strategy and courtroom preparation. The mix of business and legal education gives him a practical perspective when assessing damages, contractual issues and procedural choices that affect litigation timelines.
He has managed cases across a range of federal forums, including government claims and appeals. That experience requires careful docket management and an ability to adapt arguments for trial judges and appellate panels. He also works on matters in state court when they intersect with federal issues or commercial litigation needs.
Today he practices at Jeffer Mangels Butler & Mitchell LLP, where he continues to represent clients in federal and state litigation, trials and appeals. His current practice focuses on business litigation and appellate work in both federal and state courts.