Jason N. Haycock

Matthias Kamber is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's San Francisco office. Mr. Kamber focuses on litigating intellectual property cases and has tried approximately ten jury and bench trials. In particular, Mr. Kamber has handled patent cases involving internet advertising and telephones, smartphones, and microprocessors throughout the country and before the U.S. International Trade Commission. Mr. Kamber has also handled trade secret, ...

Steven A. Hirsch is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Steven A., who practices law in San Francisco, California, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven A. is held by other top lawyers in the same geographic and legal practice area.

Clarissa advocates zealously and effectively for employee benefit plans, plan administrators, plan sponsors, and other fiduciaries before federal and state courts and government regulatory agencies. As a director in our nationally recognized ERISA litigation group (First Tier Nationally in US News and World Report Best Lawyers), she has handled a broad spectrum of litigation, including cases involving benefit claims, fiduciary issues, plan administration, multiemployer plans, withdrawal liabi...

Sal Lim is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Sal, who practices law in Foster City, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sal is held by other top lawyers in the same geographic and legal practice area.

Arturo González is chair of Morrison & Foerster’s Commercial Litigation and Trial Practice Group and a former co-chair of our Litigation Department. He is a trial lawyer who specializes in high-stakes, bet-the-company litigation. Mr. González has successfully defended three trials where the plaintiffs sought more than $1 billion in damages, including a trade secrets case on behalf of Cypress Semiconductor Corporation. That lawsuit was filed by Silvaco Data Systems, and...

Spencer’s practice focuses on catastrophic personal injury and wrongful death cases involving defective products, vehicular collisions, dangerous conditions of public and private property, and medical malpractice. Outside of his practice at Walkup, he also teaches at the University of California-Berkeley Law School as a lecturer in trial advocacy. In addition to his teaching, he directs Berkeley Law’s external trial competition program and coaches multiple trial advocacy teams. Un...

Anna Erickson White is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Anna Erickson, who practices law in San Francisco, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anna Erickson is held by other top lawyers in the same geographic and legal practice area.

James J. Brosnahan is named among the top 30 trial lawyers in the United States, according to the Legal 500 US . A lion of the trial bar , James J. Brosnahan is one of the most respected and recognized trial lawyers in the United States. Mr. Brosnahan has more than 50 years of experience in both civil and criminal trial work. He regularly undertakes complex cases that are about to go to trial. He has tried, to conclusion, 150 cases. The cases have ranged from anti-trust to wire fraud and from...

Kristine Keala Meredith is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Kristine Keala, who practices law in Redwood City, California, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristine Keala is held by other top lawyers in the same geographic and legal practice area.

David J. Tsai is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. David J., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.