Atty. William J. O'Connor

Atty. William J. O'Connor

Mr. William J.

Billings Billings 50 yrs experience 50 year
Call (406) 831-5899 Book Appointment

Profile Summary

About William J. O'Connor at a glance

William J. O'Connor is a Member based in Billings, Montana, practicing at O'Connor & O'Connor, P.C.. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on employment, business, litigation, civil rights, and elder law. Admitted to practice in District of Columbia (1976), Montana (1981), and U.S. Claims Court (1981). Educated at Catholic University of America (J.D., 1976) and St. Louis University (B.A., 1972). Recognitions include CV Notable. Active member of Yellowstone County Bar Association (Director, 1985-1989) District of Columbia Bar State Bar of Montana. Serands clients in Billings, MT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. William J. O'Connor is a lawyer practicing civil litigation, corporate litigation, labor law and 4 other areas of law
  • William received a B.A. degree from St. Louis University in 1972, and has been licensed for 50 years
  • William practices at O'Connor & O'Connor, P.C. in Billings, MT

Practice Areas Explained

William J. O'Connor's Areas of Practice

Each practice area below reflects the types of cases William J. O'Connor handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

William J. O'Connor is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Montana →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William J. O'Connor is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Montana →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

William J. O'Connor is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Montana →

Civil Rights

Civil rights attorneys for discrimination, police misconduct, constitutional rights, and civil liberties cases.

William J. O'Connor is one of 70,245 civil rights attorneys indexed nationally. Browse civil rights attorneys in Montana →

Elder Law

Elder law attorneys for Medicaid planning, long-term care, guardianship, conservatorship, and elder abuse.

William J. O'Connor is one of 53,430 elder law attorneys indexed nationally. Browse elder law attorneys in Montana →

Jurisdictional Context

Why local counsel matters in Montana

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

Looking for additional Montana attorneys? Browse all attorneys in Billings or all attorneys in Montana.

Frequently Asked

Common questions about William J. O'Connor

Where is William J. O'Connor's law office located?
William J. O'Connor's law practice is located in Billings, Montana. The firm is O'Connor & O'Connor, P.C.. You can contact the office directly through this profile page.
What practice areas does William J. O'Connor handle?
William J. O'Connor focuses on employment, business, litigation, civil rights, elder law. Each practice area listed reflects experience handling cases of that type in Montana.
How long has William J. O'Connor practiced law?
William J. O'Connor has 50+ years of legal experience and has been licensed since 1976.
Where did William J. O'Connor go to law school?
William J. O'Connor earned their education at (J.D., 1976); (B.A., 1972).
How can I contact William J. O'Connor for a consultation?
You can contact William J. O'Connor 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 William J. O'Connor received?
William J. O'Connor's notable recognition includes: CV Notable.

Education

J.D.
Catholic University of America
- 1976
B.A.
St. Louis University
- 1972

Awards

CV Notable

Bar Admissions

District of Columbia
Admitted: 1976
Montana
Admitted: 1981
U.S. Claims Court
Admitted: 1981

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