Atty. Thomas A. Zimmer

Atty. Thomas A. Zimmer

Thomas A. Zimmer is a lawyer practicing finance, asset-backed finance, bank finance and 11 other areas of law.

San Francisco San Francisco 48 yrs experience 48 year
Call (628) 218-5301 Book Appointment

Profile Summary

About Thomas A. Zimmer at a glance

Thomas A. Zimmer is a Partner based in San Francisco, California, practicing at Pillsbury Winthrop Shaw Pittman LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on business, m&a, health care, and aviation. Admitted to practice in Michigan (1978), California (1983), and New York (2015). Educated at University of Michigan Law School (J.D., 1978) and University of Michgan (B.A. Economics, 1975). Recognitions include AV Preeminent. Active member of Bar Association of San Francisco State Bar of Michigan State Bar of California American Bar Association Equipment Leasing Association. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas A. Zimmer is a lawyer practicing finance, asset-backed finance, bank finance and 11 other areas of law
  • Thomas received a B.A. degree from University of Michgan in 1975, and has been licensed for 48 years
  • Thomas practices at Pillsbury Winthrop Shaw Pittman LLP in San Francisco, CA

Practice Areas Explained

Thomas A. Zimmer's Areas of Practice

Each practice area below reflects the types of cases Thomas A. Zimmer 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.

Thomas A. Zimmer is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

Thomas A. Zimmer is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Thomas A. Zimmer is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in California →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Thomas A. Zimmer is one of 9,225 aviation attorneys indexed nationally. Browse aviation 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 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 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 San Francisco or all attorneys in California.

Frequently Asked

Common questions about Thomas A. Zimmer

Where is Thomas A. Zimmer's law office located?
Thomas A. Zimmer'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.
What practice areas does Thomas A. Zimmer handle?
Thomas A. Zimmer focuses on business, m&a, health care, aviation. Each practice area listed reflects experience handling cases of that type in California.
How long has Thomas A. Zimmer practiced law?
Thomas A. Zimmer has 48+ years of legal experience and has been licensed since 1978.
Where did Thomas A. Zimmer go to law school?
Thomas A. Zimmer earned their education at (J.D., 1978); (B.A. Economics, 1975).
How can I contact Thomas A. Zimmer for a consultation?
You can contact Thomas A. Zimmer 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 Thomas A. Zimmer received?
Thomas A. Zimmer's notable recognition includes: AV Preeminent.

Education

J.D.
University of Michigan Law School
- 1978
B.A. Economics
University of Michgan
- 1975

Awards

AV Preeminent

Bar Admissions

Michigan
Admitted: 1978
California
Admitted: 1983
New York
Admitted: 2015

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