Kathleen R. Hartnett

Paul N. Dubrasich is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Paul N., 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 Paul N. is held by other top lawyers in the same geographic and legal practice area.

Charles S. Birenbaum serves as the firm’s Chair of Northern California. Chuck is an experienced labor and employment attorney who focuses his practice on traditional labor and employment law matters, and has wide-ranging experience litigating in state and federal courts as well as various administrative agencies. He has testified on proposed legislation impacting entire industries before state legislative committees, and has interfaced and negotiated with labor organizations, politician...

Noel Matthew Cook is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Noel Matthew, who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Noel Matthew is held by other top lawyers in the same geographic and legal practice area.

Gretchen M. Wallacker is a Certified Family Law Specialist and has practiced family law exclusively for three decades. In that time, she has helped countless families transition out of their marriages, settling a full spectrum of complex family law matters that involve child custody, visitation, child support, spousal support, and property division, including division of high net worth estates. Drawing on her geographical focus in San Francisco, the Peninsula, and Silicon Valley, Gretchen und...

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.

Nathaniel M. Cartmell III is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Compliance Law, Corporate Governance Law, Corporate Law, Mergers and Acquisitions Law and Securities / Capital Markets Law. Nathaniel M., who practices law in San Francisco, California, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathaniel M. is held by other top lawyers in the same geographic and leg...

Tony Barron represents clients in the construction and real estate development industry, primarily owners and contractors, in contract negotiations, project counseling and dispute resolution. Tony has a distinguished track record of trying cases to successful verdict in construction and other commercial disputes. What do you focus on? I focus my practice on all facets of the construction and real estate development industry, both domestically and internationally, in addition to other complex ...

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

Craig Martin's practice includes representing clients in SEC enforcement and DOJ matters, corporate investigations, and private securities litigation. In the last five years, Mr. Martin has conducted more than a dozen internal corporate investigations involving complex accounting and disclosure issues, whistleblower claims, and potential violations of the Foreign Corrupt Practices Act (FCPA). Mr. Martin serves as personal counsel for executives and directors in SEC and DOJ matters involving a...

William I. Schwartz is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law. William I., who practices law in San Francisco, California, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William I. is held by other top lawyers in the same geographic and legal practice area.