Atty. Mario Michael Rosati

Atty. Mario Michael Rosati

Mario Michael Rosati is a lawyer practicing corporate finance, corporate law & governance, entrepreneurial services and 4 other areas of law. Mario received a B.A. degree from University of California at Los Angeles in 1968, and has been licensed for 54 years.

Atherton Atherton 54 yrs experience 54 year
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Profile Summary

About Mario Michael Rosati at a glance

Mario Michael Rosati is a Partner based in Atherton, California. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on business and m&a. Admitted to practice in California (1972). Educated at University of California, Boalt Hall School of Law (J.D., 1971) and University of California at Los Angeles (B.A. History, 1968). Recognitions include AV Preeminent. Active member of State Bar of California American Bar Association. Serands clients in Atherton, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mario Michael Rosati is a lawyer practicing corporate finance, corporate law & governance, entrepreneurial services and 4 other areas of law
  • Mario received a B.A. degree from University of California at Los Angeles in 1968, and has been licensed for 54 years
  • Mario practices in Atherton, CA

Practice Areas Explained

Mario Michael Rosati's Areas of Practice

Each practice area below reflects the types of cases Mario Michael Rosati 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.

Mario Michael Rosati is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

Mario Michael Rosati is one of 49,731 m&a attorneys indexed nationally. Browse m&a 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 Atherton 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 Atherton or all attorneys in California.

Frequently Asked

Common questions about Mario Michael Rosati

Where is Mario Michael Rosati's law office located?
Mario Michael Rosati's law practice is located in Atherton, California. You can contact the office directly through this profile page.
What practice areas does Mario Michael Rosati handle?
Mario Michael Rosati focuses on business, m&a. Each practice area listed reflects experience handling cases of that type in California.
How long has Mario Michael Rosati practiced law?
Mario Michael Rosati has 54+ years of legal experience and has been licensed since 1972.
Where did Mario Michael Rosati go to law school?
Mario Michael Rosati earned their education at (J.D., 1971); (B.A. History, 1968).
How can I contact Mario Michael Rosati for a consultation?
You can contact Mario Michael Rosati 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 Mario Michael Rosati received?
Mario Michael Rosati's notable recognition includes: AV Preeminent.

Education

J.D.
University of California, Boalt Hall School of Law
- 1971
B.A. History
University of California at Los Angeles
- 1968

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1972

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