Ericksen Arbuthnot

Mark L. Kiefer
Managing Partner Shareholder

Los Angeles
Office Phone: 213.489.4411
Office Fax: 213.489.4332
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Practice Areas

  • Construction Liability
  • Environmental / Toxic Tort
  • General Liability
  • Professional Liability
In addition to being the Managing Partner of the Los Angeles office, Mark is on the firm's Board of Directors and is Co-Chair of the firm's Professional Liability practice group. Mark is AV® Peer Review Rated by Martindale-Hubbell.

His practice includes professional liability (medical, legal and other professional malpractice), skilled nursing facilities, home health care, emergency medical transport, sexual misconduct, premises liability, construction accidents, construction defects, toxic/environmental torts, products liability, transportation/trucking cases, business litigation and a wide range of general civil liability matters. Mark has handled catastrophic personal injury and wrongful death claims involving significant exposures.

He has trial experience and has both published and unpublished cases at the appellate and California Supreme Court level. He is involved as a pro bono arbitrator for the Los Angeles Superior Courts.

Mark obtained dismissal of a malicious prosecution case against a law firm via demurrer sustained on all causes of action without leave to amend, affirmed at Court of Appeal, and affirmed by the California Supreme Court resulting in a published opinion, Wilson v. Parker, Covert & Chidester (2002) 28 Cal. 4th 811, a case that is frequently cited in this area of the law.

Mark established the firm as a provider of MCLE in 1992 and has since been making presentations to attorneys and clients on matters of legal importance as a continuing MCLE provider.

Martindale Rating

AV® Preeminent™


  • B.A., University of California, Los Angeles
  • J.D., University of Santa Clara School of Law

Bar Admissions

  • California
  • U.S. District Court, Northern, Central and Southern Districts of California

Personal/Civil Memberships

  • State Bar of California
  • American Bar Association
  • Association of Southern California Defense Counsel
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