Mark R. VonderHaar

Karen Albence is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Karen, who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen is held by other top lawyers in the same geographic and legal practice area.

Peter K. Hahn is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Peter K., who practices law in San Diego, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter K. is held by other top lawyers in the same geographic and legal practice area.

In his three decades of legal practice, Sean Coughlin has focused his practice on complex business and real estate litigation, representing commercial real estate lenders and bankruptcy litigation matters. Coughlin approaches each matter with the goal of achieving the best possible business result. Coughlin has successfully litigated, arbitrated and tried hundreds of complex disputes in state court, federal court and bankruptcy court. He is admitted to all California Courts, several U.S. Dist...

Nicole M. Martinez is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Nicole M., who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicole M. is held by other top lawyers in the same geographic and legal practice area.

Eric Acker is a partner and trial lawyer in the firm’s Intellectual Property Group. Mr. Acker has tried more than 50 trials (including more than 47 jury trials) in courtrooms across the country. Mr. Acker’s recent trials have involved a variety of technologies and significant legal issues. In the high-profile SCO v. Novell case, following a three-week trial, the jury affirmed our client Novell’s ownership of the copyrights to the UNIX software code and rejected SCO’s c...

Danielle C. Humphries, a partner in the firm’s San Diego office and Chair of San Diego’s Trusts & Estates practice group, is a trusted wealth advisor to her clients and their families through her trusts and estates work. The majority of Danielle’s practice focuses on trusts and estates, including estate planning, wealth transfer and preservation, business succession planning, trust administration, probate, and probate litigation. Danielle also has extensive experience re...

John P. Schnurer is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property and Litigation - Patent. John P., who practices law in San Diego, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John P. is held by other top lawyers in the same geographic and legal practice area.

Gordon R. Levinson is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Gordon R., who practices law in Carlsbad, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gordon R. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Gleason is an AV-rated trial and appellate lawyer with over 20 years of experience handling key areas of business litigation, including consumer class action defense, California’s Proposition 65, product liability, fraud, real estate, escrow, and title insurance. He serves as Partner-in-Charge of Hahn Loeser’s San Diego office, is founder of the firm’s Proposition 65 defense group, and a member of the San Diego Litigation Team, which is ranked among the Top Tier P...

Craig R. McClellan is the first and only San Diego personal injury attorney selected for admission to the Inner Circle of Advocates, a prestigious invitation-only group of top plaintiff's attorneys, limited to 100 members nationwide. Mr. McClellan has obtained more than 130 verdicts and settlements in excess of one million dollars, and is a three-time recipient of the "Outstanding Trial Lawyer Award" from the Consumer Attorneys of San Diego for cases in which million and multi-million dollar ...