Atty. Matthew William Sonsini

Atty. Matthew William Sonsini

Matthew William Sonsini is a lawyer practicing venture capital, mergers & acquisitions, business and 2 other areas of law. Matthew received a B.A. degree from Dartmouth College in 1988, and has been licensed for 34 years.

Palo Alto Palo Alto 34 yrs experience 34 year
Call (650) 715-4564 Book Appointment

Profile Summary

About Matthew William Sonsini at a glance

Matthew William Sonsini is a Partner based in Palo Alto, California, practicing at Wilson Sonsini Goodrich & Rosati Professional Corporation. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on business, m&a, and securities. Admitted to practice in California (1992). Educated at Boalt Hall School of Law, University of California, Berkeley (J.D., 1992) and Dartmouth College (B.A., 1988). Recognitions include CV Notable. Active member of Bar Association of San Francisco. Serands clients in Palo Alto, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Matthew William Sonsini is a lawyer practicing venture capital, mergers & acquisitions, business and 2 other areas of law
  • Matthew received a B.A. degree from Dartmouth College in 1988, and has been licensed for 34 years
  • Matthew practices at Wilson Sonsini Goodrich & Rosati Professional Corporation in Palo Alto, CA

Practice Areas Explained

Matthew William Sonsini's Areas of Practice

Each practice area below reflects the types of cases Matthew William Sonsini handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Matthew William Sonsini is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

Matthew William Sonsini is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Securities Law

Matthew William Sonsini is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Palo Alto are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in Palo Alto or all attorneys in California.

Frequently Asked

Common questions about Matthew William Sonsini

Where is Matthew William Sonsini's law office located?
Matthew William Sonsini's law practice is located in Palo Alto, California. The firm is Wilson Sonsini Goodrich & Rosati Professional Corporation. You can contact the office directly through this profile page.
What practice areas does Matthew William Sonsini handle?
Matthew William Sonsini focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in California.
How long has Matthew William Sonsini practiced law?
Matthew William Sonsini has 34+ years of legal experience and has been licensed since 1992.
Where did Matthew William Sonsini go to law school?
Matthew William Sonsini earned their education at (J.D., 1992); (B.A., 1988).
How can I contact Matthew William Sonsini for a consultation?
You can contact Matthew William Sonsini directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Matthew William Sonsini received?
Matthew William Sonsini's notable recognition includes: CV Notable.

Education

J.D.
Boalt Hall School of Law, University of California, Berkeley
- 1992
B.A.
Dartmouth College
- 1988

Awards

CV Notable

Bar Admissions

California
Admitted: 1992

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