Atty. Jay A. Summerville

Atty. Jay A. Summerville

Jay A. Summerville is a lawyer practicing antitrust litigation, business litigation, class action and 6 other areas of law.

St. Louis St. Louis 53 yrs experience 53 year
Call (314) 899-5830 Book Appointment

Profile Summary

About Jay A. Summerville at a glance

Jay A. Summerville is a Partner based in St. Louis, Missouri, practicing at Armstrong Teasdale LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on business, ip, class action, trade secrets, and employment contracts. Admitted to practice in Missouri (1973) and New York (1975). Educated at Washington University School of Law (J.D., 1973) and Carleton College (B.A., 1970). Recognitions include AV Preeminent. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jay A. Summerville is a lawyer practicing antitrust litigation, business litigation, class action and 6 other areas of law
  • Jay received a B.A. degree from Carleton College in 1970, and has been licensed for 53 years
  • Jay practices at Armstrong Teasdale LLP in St. Louis, MO

Practice Areas Explained

Jay A. Summerville's Areas of Practice

Each practice area below reflects the types of cases Jay A. Summerville 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.

Jay A. Summerville is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Jay A. Summerville is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Missouri →

Class Action

Jay A. Summerville is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Missouri →

Trade Secrets

Jay A. Summerville is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Missouri →

Employment Contracts

Jay A. Summerville is one of 7,721 employment contracts attorneys indexed nationally. Browse employment contracts attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

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

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Jay A. Summerville

Where is Jay A. Summerville's law office located?
Jay A. Summerville's law practice is located in St. Louis, Missouri. The firm is Armstrong Teasdale LLP. You can contact the office directly through this profile page.
What practice areas does Jay A. Summerville handle?
Jay A. Summerville focuses on business, ip, class action, trade secrets, employment contracts. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Jay A. Summerville practiced law?
Jay A. Summerville has 53+ years of legal experience and has been licensed since 1973.
Where did Jay A. Summerville go to law school?
Jay A. Summerville earned their education at (J.D., 1973); (B.A., 1970).
How can I contact Jay A. Summerville for a consultation?
You can contact Jay A. Summerville 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 Jay A. Summerville received?
Jay A. Summerville's notable recognition includes: AV Preeminent.

Education

J.D.
Washington University School of Law
- 1973
B.A.
Carleton College
- 1970

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1973
New York
Admitted: 1975

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