Atty. William Andrew Hahn

Atty. William Andrew Hahn

William Andrew Hahn is a lawyer practicing general practice, environmental, environmental litigation and 6 other areas of law. William received a B.A. degree from Wabash College in 1996, and has been licensed for 26 years.

Indianapolis Indianapolis 26 yrs experience 26 year
Call (463) 303-6652 Book Appointment

Profile Summary

About William Andrew Hahn at a glance

William Andrew Hahn is a Partner based in Indianapolis, Indiana, practicing at Barnes & Thornburg LLP. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on personal injury, business, litigation, environmental, and government. Admitted to practice in Indiana Indiana Southern District Court Seventh Circuit Court of Appeals (2000). Educated at University of Notre Dame (J.D., 1999) and Wabash College (B.A., 1996). Serands clients in Indianapolis, IN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Andrew Hahn is a lawyer practicing general practice, environmental, environmental litigation and 6 other areas of law
  • William received a B.A. degree from Wabash College in 1996, and has been licensed for 26 years
  • William practices at Barnes & Thornburg LLP in Indianapolis, IN

Practice Areas Explained

William Andrew Hahn's Areas of Practice

Each practice area below reflects the types of cases William Andrew Hahn handles, with a brief overview of what that area of law covers.

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.

William Andrew Hahn is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Indiana →

Business & Corporate Law

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

William Andrew Hahn is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Indiana →

Civil Litigation

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

William Andrew Hahn is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Indiana →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

William Andrew Hahn is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Indiana →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

William Andrew Hahn is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Indiana →

Jurisdictional Context

Why local counsel matters in Indiana

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

Looking for additional Indiana attorneys? Browse all attorneys in Indianapolis or all attorneys in Indiana.

Frequently Asked

Common questions about William Andrew Hahn

Where is William Andrew Hahn's law office located?
William Andrew Hahn's law practice is located in Indianapolis, Indiana. The firm is Barnes & Thornburg LLP. You can contact the office directly through this profile page.
What practice areas does William Andrew Hahn handle?
William Andrew Hahn focuses on personal injury, business, litigation, environmental, government. Each practice area listed reflects experience handling cases of that type in Indiana.
How long has William Andrew Hahn practiced law?
William Andrew Hahn has 26+ years of legal experience and has been licensed since 2000.
Where did William Andrew Hahn go to law school?
William Andrew Hahn earned their education at (J.D., 1999); (B.A., 1996).
How can I contact William Andrew Hahn for a consultation?
You can contact William Andrew Hahn 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

J.D.
University of Notre Dame
- 1999
B.A.
Wabash College
- 1996

Bar Admissions

Indiana Indiana Southern District Court Seventh Circuit Court of Appeals
Admitted: 2000

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