Mark Mengelberg

Kelly C. Hunsaker is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Kelly C., who practices law in Redwood City, California, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelly C. is held by other top lawyers in the same geographic and legal practice area.

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

Nicholas A. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Nicholas A., who practices law in San Francisco, California, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas A. is held by other top lawyers in the same geographic and legal practice area.

Sanford Jay Rosen is a founding partner of Rosen Bien Galvan & Grunfeld LLP, where he concentrates his practice on constitutional and civil rights law, employment law, consumer law, complex commercial litigation, and litigation involving attorneys, including malpractice, law firm formation and withdrawal issues, and claims for attorneys’ fees. He is an experienced trial and appellate lawyer, arbitrator, mediator, ADR panelist, and testifying expert on attorneys’ fees and relat...

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

Randall C. Single joined the firm in February 2004 after serving as General Counsel for Divco West Properties, LLC and Page Mill Properties, L.P. for three years. He was also an associate and partner in the Los Angeles office of a national transactional real estate law firm for 13 years.

Constance E. Norton is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Constance E., 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 Constance E. is held by other top lawyers in the same geographic and legal practice area.

April Hopkins Rox is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. April Hopkins, 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 April Hopkins is held by other top lawyers in the same geographic and legal practice area.

Linda C. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Land Use and Zoning Law. Linda C., 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 Linda C. is held by other top lawyers in the same geographic and legal practice area.

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.