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Wilson Sonsini Goodrich & Rosati

Wilson Sonsini Goodrich & Rosati is the law firm that built the legal infrastructure of Silicon Valley, founded by Larry Sonsini in 1961 in Palo Alto.

Wilson Sonsini Goodrich & Rosati

Wilson Sonsini Goodrich & Rosati advises technology, life sciences, and growth enterprise clients on corporate governance, finance, and mergers and acquisitions. The firm's services also include private equity, securities litigation, employment law, intellectual property, and antitrust. Founded in 1961, it is based in Palo Alto, California.

Website
wsgr.com

General information

Firm type

other

Year founded

1961

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Palo Alto

Corporate office

Palo Alto, CA, United States

Additional offices

Sunnyvale · San Francisco · San Diego · Santa Monica · Seattle · New York · Washington, DC · Boston · Austin · Boulder · Salt Lake City · Wilmington · Beijing · Shanghai · Hong Kong · Brussels · London

Principals

John V. Roos

Chairman

Douglas Clark

Managing Partner

Larry Sonsini

Founding Partner

Frequently asked questions

Who runs investment decisions at Wilson Sonsini?

Wilson Sonsini is a law firm, not an investment manager — it does not make investment decisions for clients. Its influence flows through its corporate practice, which structures venture financings, M&A transactions, and public offerings. Managing Partner Douglas Clark and the firm's executive committee set strategic direction, but deal-level decisions reside with practice group leaders and individual partners advising clients.

How does Wilson Sonsini source deal flow as a service provider rather than an investor?

WSGR does not source deal flow for its own balance sheet, but its position as issuer-side counsel on technology IPOs and venture financings gives its partners visibility into nearly every significant transaction in the innovation economy. The firm's fund formation group structures the partnerships that deploy venture capital, creating relationships that often lead to introductions between startups, VCs, and later-stage investors. Its startup services platform and pre-IPO practice function as an early-warning system for emerging companies.

Is Wilson Sonsini structured as a single family office or does it operate more like a venture firm?

Wilson Sonsini is neither — it is a full-service law firm organized as a professional corporation and structured as a traditional partnership for its equity partners. The firm has historically taken equity in some early-stage clients in lieu of cash fees, creating a portfolio of startup interests, but this is not its primary business model. Wilson Sonsini does not manage third-party capital or operate as an investment advisor.

What is Wilson Sonsini's role in venture capital fund formation?

WSGR's fund formation practice is among the most active in the world, structuring venture capital and private equity partnerships, drafting limited partner agreements, and advising on carried interest and management company economics. The practice has formed funds for marquee firms including Sequoia Capital, Benchmark, and Andreessen Horowitz. Its lawyers also counsel emerging managers launching first-time funds, shaping the terms on which venture capital is raised.

Which sectors does Wilson Sonsini explicitly avoid?

As a law firm, WSGR does not publicly publish exclusion lists or negative sector screens. Its historical concentration is overwhelmingly in technology, life sciences, and growth-stage companies, but the firm also maintains complementary practices in real estate, clean energy, and regulatory law. The firm's client acceptance procedures include standard conflict-of-interest checks but no publicly stated sector-level exclusions.

How is Wilson Sonsini related to its China and European offices?

The firm's Beijing, Shanghai, and Hong Kong offices primarily serve US-based technology clients with operations in China or Chinese companies accessing US capital markets. Its London and Brussels offices focus on European technology transactions, cross-border M&A, and competition law. All offices operate under the same partnership structure, though local regulatory constraints shape the scope of services in each jurisdiction.

What is Wilson Sonsini's known posture on representing investors versus companies in venture deals?

WSGR has historically positioned itself primarily on the company side — representing issuers, startups, and corporate clients — though it also represents venture capital firms as fund-formation clients and select institutional investors. The firm's structural advantage comes from seeing the entire transaction landscape at scale, but it must navigate frequent conflicts between investor and company clients, which is managed through standard law-firm ethical walls.

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