Wilson Sonsini Goodrich & Rosati, P.C.
Headquartered in Palo Alto, California, Wilson Sonsini Goodrich & Rosati, P.C. employs 1,062 lawyers across the United States, according to The Law360 400 (2026).
- Office
- 601 South California Avenue
Palo Alto, CA 94304-1050 - Phone
- +1-650-493-9300
- Website
- wsgr.com
- Practice areas
- Corporate, Intellectual property, Litigation, Technology transactions, Regulatory, Venture capital
- Size
- 1,062 lawyers in the United StatesFirm-wide count, The Law360 400 (2026)
- Headquarters
- This office
- Traces its history to
- 1961
Palo Alto, California
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About Wilson Sonsini Goodrich & Rosati, P.C.
Headquartered in Palo Alto, California, Wilson Sonsini Goodrich & Rosati, P.C. employs 1,062 lawyers across the United States, according to The Law360 400 (2026). Its main areas of practice include corporate, intellectual property, litigation, technology transactions and regulatory.
It is one of 21 law firms we list in Palo Alto and one of 1,058 across California. By U.S. lawyer headcount, it ranks number 5 among the firms we list with an office in Palo Alto. King & Spalding LLP is listed at nearly the same location.
You can call the office at +1-650-493-9300 or visit wsgr.com.
Firm profile
Palo Alto-headquartered firm founded in 1961 as McCloskey, Wilson & Mosher, focused on intellectual property, securities, venture capital and business law. Its clients are mainly technology and life sciences companies, investors and investment banks, and it reported 1,055 attorneys as of March 2026.
Wilson Sonsini Goodrich & Rosati, P.C. traces its history to 1961.
Source: en.wikipedia.org
Areas of practice
- Corporate
- Intellectual property
- Litigation
- Technology transactions
- Regulatory
- Venture capital
From the firm's published profile.
Check a Lawyer's License in California
Lawyers who practice in California are licensed by The State Bar of California. Before you hire anyone at Wilson Sonsini Goodrich & Rosati, P.C., confirm that the lawyer is licensed and in good standing with its Attorney Search.
Attorney SearchLaw Firms Near Wilson Sonsini Goodrich & Rosati, P.C.
Largest Law Firms in Palo Alto
See all 21- 01Jones Day1,635 U.S. lawyers1755 Embarcadero Road
- 02Cooley LLP1,244 U.S. lawyersHeadquarters3175 Hanover Street
- 03King & Spalding LLP1,185 U.S. lawyers601 South California Avenue
- 04Paul Hastings LLP1,069 U.S. lawyers
- 05Wilmer Cutler Pickering Hale and Dorr LLP1,060 U.S. lawyers950 Page Mill Road
- 06Haynes and Boone, LLP707 U.S. lawyers525 University Avenue
- 07Brewer Offord & Pedersen LLP2225 West El Camino Real
- 08C. Bruce Hamilton, Attorney at Law260 Sheridan Avenue
Wilson Sonsini Goodrich & Rosati, P.C.: Questions and Answers
- Where is Wilson Sonsini Goodrich & Rosati, P.C. located?
- Wilson Sonsini Goodrich & Rosati, P.C. is located at 601 South California Avenue, Palo Alto, CA 94304-1050.
- How do I contact Wilson Sonsini Goodrich & Rosati, P.C.?
- Call +1-650-493-9300. The firm's website is wsgr.com.
- What kind of law does Wilson Sonsini Goodrich & Rosati, P.C. practice?
- Corporate, Intellectual property, Litigation, Technology transactions, Regulatory and Venture capital. From the firm's published profile.
- How many lawyers does Wilson Sonsini Goodrich & Rosati, P.C. have?
- Wilson Sonsini Goodrich & Rosati, P.C. has 1,062 lawyers in the United States, according to The Law360 400 (2026). That count covers the whole firm, not only its Palo Alto office.
- Where is Wilson Sonsini Goodrich & Rosati, P.C. headquartered?
- Wilson Sonsini Goodrich & Rosati, P.C. is headquartered in Palo Alto, California. This office is its headquarters.
- When was Wilson Sonsini Goodrich & Rosati, P.C. founded?
- Wilson Sonsini Goodrich & Rosati, P.C. traces its history to 1961, counting the oldest firm it grew from.
- Which law firms are near Wilson Sonsini Goodrich & Rosati, P.C.?
- The closest firms in the directory are King & Spalding LLP (same location), Brewer Offord & Pedersen LLP (0.2 miles) and Wilmer Cutler Pickering Hale and Dorr LLP (0.2 miles).
- How can I check that a lawyer at Wilson Sonsini Goodrich & Rosati, P.C. is licensed?
- Lawyers in California are licensed by The State Bar of California. Use its Attorney Search at apps.calbar.ca.gov to confirm a lawyer is licensed and in good standing.
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Listing from © OpenStreetMap contributors, lawyer count from The Law360 400 (2026), last checked October 2026. LawFirmWebAgency is not affiliated with this firm, and a listing is not an endorsement or a measure of quality.
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