Atty. Thomas Eric Ost

Atty. Thomas Eric Ost

Thomas Eric Ost is a lawyer practicing criminal defense, business, family and 3 other areas of law. Thomas has been licensed for 38 years.

Tinley Park Tinley Park 38 yrs experience 38 year
Call (312) 219-5167 Book Appointment

Business & More Attorney · Serving Tinley Park, IL · 38+ Years Experience

Profile Summary

About Thomas Eric Ost at a Glance

Thomas Eric Ost is a probate, criminal defense, family law, estate planning, and business attorney based in Tinley Park, Illinois. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Illinois (1988). Serves clients in Tinley Park, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Thomas Eric Ost

  • Thomas Eric Ost is a lawyer practicing criminal defense, business, family and 3 other areas of law
  • Thomas has been licensed for 38 years
  • Thomas practices in Tinley Park, IL

Practice Areas Explained

Thomas Eric Ost's Areas of Legal Practice

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

Probate in Tinley Park

Thomas Eric Ost is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Illinois →

Criminal Defense in Tinley Park

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Thomas Eric Ost is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Illinois →

Family Law in Tinley Park

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Thomas Eric Ost is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Illinois →

Estate Planning & Probate in Tinley Park

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Thomas Eric Ost is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →

Business & Corporate Law in Tinley Park

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

Thomas Eric Ost is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →

Jurisdictional Context

Why Local Counsel Matters in Tinley Park

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

Tinley Park Courts and Legal Process

Choosing a Tinley Park-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 Illinois attorneys? Browse all attorneys in Tinley Park or all attorneys in Illinois.

Frequently Asked

Common Questions About Thomas Eric Ost

Where is Thomas Eric Ost's law office located?
Thomas Eric Ost's law practice is located in Tinley Park, Illinois. You can contact the office directly through this profile page.
What practice areas does Thomas Eric Ost handle?
Thomas Eric Ost focuses on probate, criminal defense, family law, estate planning, business. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Thomas Eric Ost practiced law?
Thomas Eric Ost has 38+ years of legal experience and has been licensed since 1988.
How can I contact Thomas Eric Ost for a consultation?
You can contact Thomas Eric Ost 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.

Professional Profile

Why Clients in Tinley Park Choose Thomas Eric Ost

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 Eric Ost's practice in the field of probate, criminal defense, family law, estate planning, and business.

Decade-Tested Legal Experience

Thomas Eric Ost brings 38+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering probate, criminal defense, and family law, Thomas Eric Ost can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Tinley Park

A Tinley Park-based practice means Thomas Eric Ost 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 Eric Ost Handles in Tinley Park

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

Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law
Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning
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 Eric Ost directly to discuss the specifics of your situation.

Search Reference

How People Find Thomas Eric Ost Online

Prospective clients searching for legal help in Tinley Park 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 Eric Ost.

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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 Eric Ost directly.

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1988

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