David J. Berger

Ian Ballon is an intellectual property and Internet litigator who represents clients in copyright, DMCA, trademark, trade secret, right of publicity, privacy, security, software, database and Internet disputes and in the defense of data privacy, behavioral advertising and other Internet-related class action suits. Mr. Ballon, who splits his time between the firm's Silicon Valley and LA offices, is the author of the four-volume legal treatise, E-Commerce and Internet Law: Treatise With Forms 2...

Eric C. Bellafronto is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Eric C., who practices law in San Jose, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric C. is held by other top lawyers in the same geographic and legal practice area.

Katrina Crafton Fluet is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Katrina, who practices law in Menlo Park, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katrina is held by other top lawyers in the same geographic and legal practice area.

Tyler represents plaintiffs and defendants in civil cases, public entity litigation, and high-stakes disputes. His clients range from individuals and closely held businesses to Fortune 500 companies. Tyler also frequently represents defendants and victims in criminal cases. His combined civil and criminal practices have helped him gain considerable experience in courtrooms throughout the Bay Area. His representation of criminal defendants facing potential civil claims, and civil clients with ...

Blake Russum is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Blake, who practices law in Menlo Park, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Blake is held by other top lawyers in the same geographic and legal practice area.

Sonal N. Mehta is a trial lawyer representing many of the world’s leading technology and life sciences companies in high-stakes disputes. Ms. Mehta is regularly called upon by clients—ranging from Silicon Valley’s largest companies to cutting-edge startups—to serve as both lead counsel in the courtroom and trusted advisor in the boardroom. She has nearly 25 years of experience across all aspects of trial and appellate practice, including federal jury and bench trials, ...

Phil Levine is head of the firm's Northern California Real Estate Group. Mr. Levine concentrates his practice representing clients in a wide range of commercial real estate equity and debt transactions, including acquisitions and sales; financing (including permanent and construction loans); the structuring and formation of joint ventures and other investment vehicles for the development, ownership, and operation of all major property types, such as multifamily projects, office buildings, and...

Ed Batts is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Ed, who practices law in Palo Alto, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ed is held by other top lawyers in the same geographic and legal practice area.

Judith Hasko is the Chair of the Transactional Department and Co-Chair of WilmerHale’s Life Sciences Practice. She provides counsel to life sciences companies and their investors on strategic, intellectual property and technology-based commercial transactions. Companies in the biotechnology, pharmaceutical, medical device and diagnostic product sectors, along with their investors, depend on Ms. Hasko for guidance and execution of licensing, corporate partnerships, joint ventures, co-pro...

Erik Olson's practice focuses on the litigation of securities, corporate governance, and intellectual property disputes, with particular emphasis on clients in the biotechnology, medical device, retail, and high-technology industries. In securities-related matters, Mr. Olson has repeatedly obtained dismissals of federal class action lawsuits under the Private Securities Litigation Reform Act and successfully defended those dismissals before the Fourth, Ninth and Tenth Circuits for numerous pr...