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Atty. Joseph Walter Armbrust

Atty. Joseph Walter Armbrust

Joseph Walter Armbrust is a lawyer practicing mergers & acquisitions, advertising, federal regulation and 7 other areas of law. Joseph received a B.S. degree from Boston College in 1965, and has been licensed for 56 years.

New York New York 56 yrs experience 56 year
Call (332) 334-4453 Book Appointment

Profile Summary

About Joseph Walter Armbrust at a glance

Joseph Walter Armbrust is a Partner based in New York, New York, practicing at Sidley Austin LLP. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on business, m&a, securities, entertainment, and international. Admitted to practice in New York (1970). Educated at University of Virginia School of Law (LL.B., 1968) and Boston College (B.S., 1965). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Joseph Walter Armbrust is a lawyer practicing mergers & acquisitions, advertising, federal regulation and 7 other areas of law
  • Joseph received a B.S. degree from Boston College in 1965, and has been licensed for 56 years
  • Joseph practices at Sidley Austin LLP in New York, NY

Practice Areas Explained

Joseph Walter Armbrust's Areas of Practice

Each practice area below reflects the types of cases Joseph Walter Armbrust 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.

Joseph Walter Armbrust is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Mergers & Acquisitions

Joseph Walter Armbrust is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in New York →

Securities Law

Joseph Walter Armbrust is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Joseph Walter Armbrust is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment attorneys in New York →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Joseph Walter Armbrust is one of 40,133 international attorneys indexed nationally. Browse international attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York 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 New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Joseph Walter Armbrust

Where is Joseph Walter Armbrust's law office located?
Joseph Walter Armbrust's law practice is located in New York, New York. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does Joseph Walter Armbrust handle?
Joseph Walter Armbrust focuses on business, m&a, securities, entertainment, international. Each practice area listed reflects experience handling cases of that type in New York.
How long has Joseph Walter Armbrust practiced law?
Joseph Walter Armbrust has 56+ years of legal experience and has been licensed since 1970.
Where did Joseph Walter Armbrust go to law school?
Joseph Walter Armbrust earned their education at (LL.B., 1968); (B.S., 1965).
How can I contact Joseph Walter Armbrust for a consultation?
You can contact Joseph Walter Armbrust 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.

Education

LL.B.
University of Virginia School of Law
- 1968
B.S.
Boston College
- 1965

Bar Admissions

New York
Admitted: 1970

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