Wilson Sonsini is one of only a few firms that can say, without qualification, it represents the most sophisticated and progressive companies in the world in litigation, regulatory, and transactional matters.

Wilson Sonsini represents clients that achieve success by innovating, venturing beyond boundaries, or disrupting established industries. As a result, the disputes and contentious matters Wilson Sonsini takes on for its clients involve formative and complex technologies, novel issues of law, and substantial amounts in controversy.

Wilson Sonsini has more than 250 litigators across the firm, and continues to expand. The firm represents public companies, private entities, and other organizations in venues across the U.S.: federal and state trial courts; appellate courts; regulatory agencies; and administrative tribunals, including the Patent Trial and Appeal Board.

In addition to accomplished trial attorneys who represent entities before juries and judges, Wilson Sonsini has teams of experienced litigators who excel at representing clients in the early stages of disputes and throughout pre-trial proceedings. The firm also has proven, experienced appellate counsel.

The depth and dimension of Wilson Sonsini’s litigation practice enables the firm to represent clients in disputes that range from bet-the-company claims asserted by competitors to class actions involving multiple parties and multiple states. Our expansive scope of litigation experience covers areas of critical importance to clients, including intellectual property, securities, and complex commercial lawsuits, as well as government investigations and corporate governance matters.

Wilson Sonsini delivers results for its clients, which is just one reason the firm’s litigation department has a well-earned reputation for excellence among its clients, peers, and colleagues.

See Litigation Practice on

  • Client Highlight


    Court of Appeal affirmed a decision dismissing a lawsuit filed in state court against Dropbox, its officers, its board of directors, the underwriters, and certain venture capitalists for alleged violations of Section 11 of the Securities Act of 1933 (’33 Act).