Atty. Thomas John Costakis

Atty. Thomas John Costakis

Thomas John Costakis is a lawyer practicing litigation, commercial litigation, products liability and 3 other areas of law. Thomas received a B.S. degree from Purdue University in 1982, and has been licensed for 41 years.

Indianapolis Indianapolis 41 yrs experience 41 year
Call (317) 533-5189 Book Appointment

Commercial Litigation & More Attorney · Serving Indianapolis, IN · 41+ Years Experience

Profile Summary

About Thomas John Costakis at a Glance

Thomas John Costakis is a Partner based in Indianapolis, Indiana, practicing at Krieg DeVault LLP. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on personal injury, business, trade secrets, product liability, and litigation. Admitted to practice in Indiana (1985), U.S. District Court, Southern and Northern Districts of Indiana (1985), U.S. Court of Appeals, Seventh Circuit (1988), and U.S. District Court, Central District of Illinois and U.S. Supreme Court (1996). Educated at Indiana University School of Law - Indianapolis (J.D., 1985) and Purdue University (B.S., 1982). Recognitions include AV Preeminent. Active member of Indianapolis, Indiana State and Federal Seventh Circuit Bar Associations. Serves clients in Indianapolis, IN and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Thomas John Costakis

  • Thomas John Costakis is a lawyer practicing litigation, commercial litigation, products liability and 3 other areas of law
  • Thomas received a B.S. degree from Purdue University in 1982, and has been licensed for 41 years
  • Thomas practices at Krieg DeVault LLP in Indianapolis, IN

Practice Areas Explained

Thomas John Costakis's Areas of Legal Practice

Each practice area below reflects the types of cases Thomas John Costakis handles, with a practical overview of what that area of law involves and how it may apply to your situation in Indianapolis.

Personal Injury in Indianapolis

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.

Thomas John Costakis is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in Indiana →

Business & Corporate Law in Indianapolis

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

Thomas John Costakis is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Indiana →

Trade Secrets in Indianapolis

Thomas John Costakis is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Indiana →

Product Liability in Indianapolis

Thomas John Costakis is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in Indiana →

Civil Litigation in Indianapolis

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

Thomas John Costakis is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Indiana →

Jurisdictional Context

Why Local Counsel Matters in Indianapolis

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 venue, 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.

Indianapolis Courts and Legal Process

Choosing a Indianapolis-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About Thomas John Costakis

Where is Thomas John Costakis's law office located?
Thomas John Costakis's law practice is located in Indianapolis, Indiana. The firm is Krieg DeVault LLP. You can contact the office directly through this profile page.
What practice areas does Thomas John Costakis handle?
Thomas John Costakis focuses on personal injury, business, trade secrets, product liability, litigation. Each practice area listed reflects experience handling cases of that type in Indiana.
How long has Thomas John Costakis practiced law?
Thomas John Costakis has 41+ years of legal experience and has been licensed since 1985.
Where did Thomas John Costakis go to law school?
Thomas John Costakis earned their education at (J.D., 1985); (B.S., 1982).
How can I contact Thomas John Costakis for a consultation?
You can contact Thomas John Costakis 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 Thomas John Costakis received?
Thomas John Costakis's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Indianapolis Choose Thomas John Costakis

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Thomas John Costakis's practice in the field of personal injury, business, trade secrets, product liability, and litigation.

Decade-Tested Legal Experience

Thomas John Costakis brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Indiana, U.S. District Court, Southern and Northern Districts of Indiana, and U.S. Court of Appeals, Seventh Circuit, Thomas John Costakis can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering personal injury, business, and trade secrets, Thomas John Costakis can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Indianapolis

A Indianapolis-based practice means Thomas John Costakis attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Thomas John Costakis Handles in Indianapolis

Below is a representative sample of the types of matters Thomas John Costakis has experience with under Indiana law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Car accident injury claims
Personal Injury
Slip and fall cases
Personal Injury
Wrongful death suits
Personal Injury
Workers' compensation appeals
Personal Injury
Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Thomas John Costakis directly to discuss the specifics of your situation.

Search Reference

How People Find Thomas John Costakis Online

Prospective clients searching for legal help in Indianapolis commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Thomas John Costakis.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Thomas John Costakis directly.

Thomas John Costakis's Practice Areas & Specializations

Education & Law School Background

J.D.
Indiana University School of Law - Indianapolis
- 1985
B.S.
Purdue University
- 1982

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Indiana
Admitted: 1985
U.S. District Court, Southern and Northern Districts of Indiana
Admitted: 1985
U.S. Court of Appeals, Seventh Circuit
Admitted: 1988
U.S. District Court, Central District of Illinois and U.S. Supreme Court
Admitted: 1996

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