Atty. Grant C. Killoran

Atty. Grant C. Killoran

Atty. Grant C.

Milwaukee Milwaukee 37 yrs experience 37 year
Call (414) 300-7480 Book Appointment

Profile Summary

About Grant C. Killoran at a glance

Grant C. Killoran is a Litigation Practice Group Chair based in Milwaukee, Wisconsin, practicing at O'Neil, Cannon, Hollman, DeJong & Laing S.C.. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on contracts, personal injury, employment, business, and breach of contract. Admitted to practice in Wisconsin (1989). Educated at University of Minnesota School of Law (J.D., 1989) and East China School of Law and Politics, Shanghai, People's Republic of China Macalester College (B.A., 1986). Recognitions include AV Preeminent. Serands clients in Milwaukee, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Atty. Grant C. Killoran is a lawyer practicing litigation, health care, entertainment law and 18 other areas of law
  • Grant received a degree from East China School of Law and Politics, Shanghai, People's Republic of China, and has been licensed for 37 years
  • Grant practices at O'Neil, Cannon, Hollman, DeJong & Laing S.C. in Milwaukee, WI

Practice Areas Explained

Grant C. Killoran's Areas of Practice

Each practice area below reflects the types of cases Grant C. Killoran handles, with a brief overview of what that area of law covers.

Contracts

Grant C. Killoran is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Wisconsin →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Grant C. Killoran is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Wisconsin →

Employment Law

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

Grant C. Killoran is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Wisconsin →

Business & Corporate Law

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

Grant C. Killoran is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Wisconsin →

Breach of Contract

Grant C. Killoran is one of 5,938 breach of contract attorneys indexed nationally. Browse breach of contract attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

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

Looking for additional Wisconsin attorneys? Browse all attorneys in Milwaukee or all attorneys in Wisconsin.

Frequently Asked

Common questions about Grant C. Killoran

Where is Grant C. Killoran's law office located?
Grant C. Killoran's law practice is located in Milwaukee, Wisconsin. The firm is O'Neil, Cannon, Hollman, DeJong & Laing S.C.. You can contact the office directly through this profile page.
What practice areas does Grant C. Killoran handle?
Grant C. Killoran focuses on contracts, personal injury, employment, business, breach of contract. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has Grant C. Killoran practiced law?
Grant C. Killoran has 37+ years of legal experience and has been licensed since 1989.
Where did Grant C. Killoran go to law school?
Grant C. Killoran earned their education at (J.D., 1989); (B.A., 1986).
How can I contact Grant C. Killoran for a consultation?
You can contact Grant C. Killoran 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 Grant C. Killoran received?
Grant C. Killoran's notable recognition includes: AV Preeminent.

Education

J.D.
University of Minnesota School of Law
- 1989
B.A.
East China School of Law and Politics, Shanghai, People's Republic of China Macalester College
- 1986

Awards

AV Preeminent

Bar Admissions

Wisconsin
Admitted: 1989

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