Toxic Tort, Product Liability, Commercial Litigation, Estate and Probate Planning and Litigation

Mark J. Hilliard

925.300.3520, ext. 303
Fax: 925.300.3386
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Primary Areas of Legal Practice

Product Liability and Business Litigation

Professional Experience

Mark’s legal career has primarily focused on civil litigation. Mark has experience handling high-stakes cases involving complex product and premises liability, toxic tort and asbestos cases, mass transit tort litigation, commercial and business matters, construction and energy litigation, and health care litigation. His clients have included railway companies, hospitals, businesses, and suppliers and manufacturers of allegedly defective consumer products, including: vehicles and vehicle components; tires; sporting goods; medical products; and asbestos-containing products (automotive, friction, construction, naval, and industrial machinery).

Through hard work, precise and detailed case management, and the implementation of result-oriented yet cost-effective defense strategy, Mark has consistently achieved favorable results for his clients, including Fortune 500 companies and small businesses alike. Mark has succeeded in both the state and federal courts, in California and throughout the country. Among other awards, Mark was honored as a Super Lawyers ‘Rising Star’ in civil litigation (2013-2016), an honor given to only 2.5% of attorneys in California, denoting him as one of California’s premier civil litigators under age 40. He was also awarded the highest peer rating of ‘AV-Preeminent’ from Martindale. Overall, Mark has a well-earned reputation as an ethical, aggressive litigator.


  • University of Dayton School of Law (J.D., 2006)
  • Saint Louis University (B.S., 2002)  Marketing/English

Bar Admissions

  • California
  • Arizona
  • North Dakota
  • Oregon
  • Washington
  • United States District Court, Northern, Eastern and Central Districts of California
  • United States District Court, Western District of Washington

Professional Affiliations

  • American Bar Association
  • State Bar of California
  • Washington State Bar Association
  • San Francisco Bar Association
  • State Bar Association of North Dakota
  • State Bar of Arizona
  • Oregon State Bar

Community Involvement

  • Department of Veterans Affairs (2012-present) – Mark is accredited by the Office of the General Counsel to assist military veterans in handling legal claims pending before the Department of Veterans Affairs.
  • Bar Association of San Francisco, Volunteer Legal Services Program (2012-present) – Mark serves as a benefactor to this program, providing justice, health, and social services to the poor and underserved.
  • Bar Association of San Francisco, Minority Law Student Scholarship Program (2012-present) – Mark is a benefactor to this scholarship program, established to reaffirm commitment to diversity in legal education and within the legal profession.

Articles and Publications

  • The Evolution and Misinterpretation of the Establishment Clause: Is Teaching Intelligent Design in Public Schools a Governmental Endorsement of Religion Prohibited by the First Amendment?  32 U. Dayton L. Rev. 145