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Atty. John Michael Grenfell

Atty. John Michael Grenfell

John Michael Grenfell is a lawyer practicing litigation, antitrust & competition, appellate and 1 other area of law. John received a A.B. degree from Stanford University in 1976, and has been licensed for 47 years.

San Francisco San Francisco 47 yrs experience 47 year
Call (424) 600-2926 Book Appointment

Profile Summary

About John Michael Grenfell at a glance

John Michael Grenfell is a Partner based in San Francisco, California, practforg at Pillsbury Winthrop Shaw Pittman LLP. They haand 47+ years of legal experience, licensed to practice since 1979. Admitted to practice in California (1979). Educated at Harvard Law School (J.D., 1979) and Stanford University (A.B., 1976). Recognitions include AV Preeminent. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • John Michael Grenfell is a lawyer practicing litigation, antitrust & competition, appellate and 1 other area of law
  • John received a A.B. degree from Stanford University in 1976, and has been licensed for 47 years
  • John practices at Pillsbury Winthrop Shaw Pittman LLP in San Francisco, CA

Jurisdictional Context

Why local counsel matters in California

Practforg law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in San Francisco 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 substantiand 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 San Francisco or all attorneys in California.

Frequently Asked

Common questions about John Michael Grenfell

Where is John Michael Grenfell's law office located?
John Michael Grenfell's law practice is located in San Francisco, California. The firm is Pillsbury Winthrop Shaw Pittman LLP. You can contact the office directly through this profile page.
How long has John Michael Grenfell practiced law?
John Michael Grenfell has 47+ years of legal experience and has been licensed since 1979.
Where did John Michael Grenfell go to law school?
John Michael Grenfell earned their education at (J.D., 1979); (A.B., 1976).
How can I contact John Michael Grenfell for a consultation?
You can contact John Michael Grenfell 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 John Michael Grenfell receiandd?
John Michael Grenfell's notable recognition includes: AV Preeminent.

Education

J.D.
Harvard Law School
- 1979
A.B.
Stanford University
- 1976

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1979

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