Sharon R. Flanagan

Bruce Copeland is a partner in the firm’s commercial litigation practice, and former deputy department head for the firm’s entire Litigation practice. He represents and counsels a variety of businesses with respect to a variety of concerns, including advertising and labeling issues, false and misleading advertising, trade secrets, complex commercial litigation in federal and state court, litigation avoidance, and a broad range of areas in the food and beverage industry. My focus I...

Natalia Lopez-Whitaker is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Natalia, 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 Natalia is held by other top lawyers in the same geographic and legal practice area.

Ronald E. Van Buskirk is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Ronald E., 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 Ronald E. is held by other top lawyers in the same geographic and legal practice area.

Richard J. Guggenhime is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Richard J., who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard J. is held by other top lawyers in the same geographic and legal practice area.

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...

Stanton D. Wong is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Securities / Capital Markets Law. Stanton D., 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 Stanton D. is held by other top lawyers in the same geographic and legal practice area.

Alicia Guerra has developed a multi-disciplinary practice focused on local, state, and federal land use entitlement and permitting and environmental review for a broad sector of private industry, developers, and public agencies. Ms. Guerra’s practice often involves complex and controversial projects at all levels of the administrative process including due diligence, land use entitlements, development agreements, disposition and development agreements, permitting advice, and counsel for...

Clay Gantz addresses client real estate concerns, including development and investment; debt and equity financing; land use and entitlements; public-private partnerships; acquisitions, sales and exchanges; and leasing and ground leasing. Leveraging decades of experience as counsel to public agencies to advise private developers in public-private partnerships, Clay advised the San Francisco Redevelopment Agency on the Moscone Center/Yerba Buena Gardens project. He also advised the city of Tust...

John J. Heber is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. John J., 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 John J. is held by other top lawyers in the same geographic and legal practice area.

Dustin Calkins is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Dustin, who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dustin is held by other top lawyers in the same geographic and legal practice area.