Atty. Robert Thomas Irwin

Atty. Robert Thomas Irwin

Robert Thomas Irwin is a lawyer practicing business & corporate, business planning, charitable gift tax planning and 5 other areas of law. Robert received a B.A. degree from Oral Roberts University in 1977, and has been licensed for 44 years.

Tulsa Tulsa 44 yrs experience 44 year
Call (539) 666-8362 Book Appointment

Business & Corporate & More Attorney · Serving Tulsa, OK · 44+ Years Experience

Profile Summary

About Robert Thomas Irwin at a Glance

Robert Thomas Irwin is a Member based in Tulsa, Oklahoma, practicing at Irwin Law Firm, P.C.. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on trusts, probate, estate planning, business, and tax. Admitted to practice in Oklahoma (1982) and Virginia (1984). Educated at Oral Roberts University (J.D., 1982) and Oral Roberts University (B.A., 1977). Active member of Tulsa County and Oklahoma Bar Associations Virginia State Bar Financial Planning Association National Committee on Planned Giving (Oklahoma Chapter) Christian Stewardship Association. Serves clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About Robert Thomas Irwin

  • Robert Thomas Irwin is a lawyer practicing business & corporate, business planning, charitable gift tax planning and 5 other areas of law
  • Robert received a B.A. degree from Oral Roberts University in 1977, and has been licensed for 44 years
  • Robert practices at Irwin Law Firm, P.C. in Tulsa, OK

Practice Areas Explained

Robert Thomas Irwin's Areas of Legal Practice

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

Trusts in Tulsa

Robert Thomas Irwin is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in Oklahoma →

Probate in Tulsa

Robert Thomas Irwin is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Oklahoma →

Estate Planning & Probate in Tulsa

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

Robert Thomas Irwin is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Oklahoma →

Business & Corporate Law in Tulsa

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

Robert Thomas Irwin is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Oklahoma →

Tax Law in Tulsa

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Robert Thomas Irwin is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Oklahoma →

Jurisdictional Context

Why Local Counsel Matters in Tulsa

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

Tulsa Courts and Legal Process

Choosing a Tulsa-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 Oklahoma attorneys? Browse all attorneys in Tulsa or all attorneys in Oklahoma.

Frequently Asked

Common Questions About Robert Thomas Irwin

Where is Robert Thomas Irwin's law office located?
Robert Thomas Irwin's law practice is located in Tulsa, Oklahoma. The firm is Irwin Law Firm, P.C.. You can contact the office directly through this profile page.
What practice areas does Robert Thomas Irwin handle?
Robert Thomas Irwin focuses on trusts, probate, estate planning, business, tax. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Robert Thomas Irwin practiced law?
Robert Thomas Irwin has 44+ years of legal experience and has been licensed since 1982.
Where did Robert Thomas Irwin go to law school?
Robert Thomas Irwin earned their education at (J.D., 1982); (B.A., 1977).
How can I contact Robert Thomas Irwin for a consultation?
You can contact Robert Thomas Irwin 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 Tulsa Choose Robert Thomas Irwin

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 Robert Thomas Irwin's practice in the field of trusts, probate, estate planning, business, and tax.

Decade-Tested Legal Experience

Robert Thomas Irwin brings 44+ 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 Oklahoma and Virginia, Robert Thomas Irwin can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering trusts, probate, and estate planning, Robert Thomas Irwin can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Tulsa

A Tulsa-based practice means Robert Thomas Irwin 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 Robert Thomas Irwin Handles in Tulsa

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

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
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

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

Search Reference

How People Find Robert Thomas Irwin Online

Prospective clients searching for legal help in Tulsa 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 Robert Thomas Irwin.

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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 Robert Thomas Irwin directly.

Education & Law School Background

J.D.
Oral Roberts University
- 1982
B.A.
Oral Roberts University
- 1977

Bar Admissions & Licensed Jurisdictions

Oklahoma
Admitted: 1982
Virginia
Admitted: 1984

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