Posternak Blankstein & Lund LLP is now Arent Fox. Read the press release

View of Trans America building and SF bay at sunset

San Francisco

Our office is your gateway between San Francisco and Silicon Valley’s big ideas and global business opportunities. Reflecting the diverse and dynamic industries in Northern California, our attorneys span numerous disciplines and represent the firm’s core strengths in corporate, real estate, intellectual property, and regulatory counseling.

Our Office

Our Attorneys

Established in 2013, Arent Fox’s San Francisco office is a fast-growing, dynamic home to talented attorneys practicing in a diverse range of disciplines. With over 40 attorneys, the office has grown quickly. Our attorneys advise clients based not only in Northern and Southern California, but nationally and internationally as well. Our San Francisco attorneys seamlessly collaborate with lawyers in Los Angeles, New York, and Washington DC to provide innovative counseling that is tailored to our clients’ business objectives. 

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Our Services

Our San Francisco office counsels Fortune 500 companies, privately-held companies, startups, non-profit organizations, government entities, individuals, and pro-bono clients with our full suite of legal services.

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Our Community

Our attorneys are involved with numerous local organizations, including the Bar Association of San Francisco, Bay Area Women’s White Collar Criminal Defense Attorneys Group, Bay Area Council, California Minority Counsel Program, San Francisco Housing Action Coalition, SPUR, Northern California Family Dog Rescue, and The Club Silicon Valley. In addition, our attorneys and staff have volunteered thousands of hours to local pro-bono clients.

Our Culture

In true SF form, we're a startup office that knows it takes the very best people to succeed. The entrepreneurial spirit within our office is an asset we love sharing with our clients. Meet us at our office and event space to learn more.


Contact Us

Arent Fox LLP
55 Second Street, 21st Floor
San Francisco
United States

Our office is located in the Financial District at 55 2nd Street, less than one block away from Market Street and the Montgomery BART station, on the 21st floor of the KPMG building.