Atty. Thomas Koos

Atty. Thomas Koos

Thomas Koos is a lawyer practicing family law. Thomas received a B.S. degree from California State University, Dominguez Hills in 1989, and has been licensed for 28 years.

Irvine Irvine 28 yrs experience 28 year
Call (949) 368-8067 Book Appointment

Family Law Attorney · Serving Irvine, CA · 28+ Years Experience

Profile Summary

About Thomas Koos at a Glance

Thomas Koos is a Member based in Irvine, California, practicing at Thomas Koos Law Offices. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on family law. Admitted to practice in California (1998). Educated at Western State University College of Law (J.D., 1996) and California State University, Dominguez Hills (B.S., 1989). Recognitions include Peer Reviewed. Serves clients in Irvine, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Thomas Koos

  • Thomas Koos is a lawyer practicing family law
  • Thomas received a B.S. degree from California State University, Dominguez Hills in 1989, and has been licensed for 28 years
  • Thomas practices at Thomas Koos Law Offices in Irvine, CA

Practice Areas Explained

Thomas Koos's Areas of Legal Practice

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

Family Law in Irvine

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

Thomas Koos is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Irvine

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

Irvine Courts and Legal Process

Choosing a Irvine-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 California attorneys? Browse all attorneys in Irvine or all attorneys in California.

Frequently Asked

Common Questions About Thomas Koos

Where is Thomas Koos's law office located?
Thomas Koos's law practice is located in Irvine, California. The firm is Thomas Koos Law Offices. You can contact the office directly through this profile page.
What practice areas does Thomas Koos handle?
Thomas Koos focuses on family law. Each practice area listed reflects experience handling cases of that type in California.
How long has Thomas Koos practiced law?
Thomas Koos has 28+ years of legal experience and has been licensed since 1998.
Where did Thomas Koos go to law school?
Thomas Koos earned their education at (J.D., 1996); (B.S., 1989).
How can I contact Thomas Koos for a consultation?
You can contact Thomas Koos 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 Koos received?
Thomas Koos's notable recognition includes: Peer Reviewed.

Professional Profile

Why Clients in Irvine Choose Thomas Koos

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 Koos's practice in the field of family law.

Decade-Tested Legal Experience

Thomas Koos brings 28+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Focused Family Law Practice

Concentrating on family law means Thomas Koos's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in Irvine

A Irvine-based practice means Thomas Koos 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 Koos Handles in Irvine

Below is a representative sample of the types of matters Thomas Koos has experience with under California 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

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

Search Reference

How People Find Thomas Koos Online

Prospective clients searching for legal help in Irvine 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 Koos.

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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 Koos directly.

Thomas Koos's Practice Areas & Specializations

Education & Law School Background

J.D.
Western State University College of Law
- 1996
B.S.
California State University, Dominguez Hills
- 1989

Awards & Professional Honors

Peer Reviewed

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1998

Client Reviews & Ratings — Thomas Koos

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