Atty. Mark S Lassiter

Atty. Mark S Lassiter

Mark S Lassiter is a lawyer practicing divorce, family law. Mark has been licensed for 48 years.

Tulsa Tulsa 48 yrs experience 48 year
Call (539) 666-8164 Book Appointment

Divorce & More Attorney · Serving Tulsa, OK · 48+ Years Experience

Profile Summary

About Mark S Lassiter at a Glance

Mark S Lassiter is a divorce and family law attorney based in Tulsa, Oklahoma. They have 48+ years of legal experience, licensed to practice since 1978. Admitted to practice in Oklahoma (1978). Serves clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark S Lassiter

  • Mark S Lassiter is a lawyer practicing divorce, family law
  • Mark has been licensed for 48 years
  • Mark practices in Tulsa, OK

Practice Areas Explained

Mark S Lassiter's Areas of Legal Practice

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

Divorce in Tulsa

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Mark S Lassiter is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in Oklahoma →

Family Law in Tulsa

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

Mark S Lassiter is one of 185,688 family law attorneys indexed nationally. Browse family law 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 Mark S Lassiter

Where is Mark S Lassiter's law office located?
Mark S Lassiter's law practice is located in Tulsa, Oklahoma. You can contact the office directly through this profile page.
What practice areas does Mark S Lassiter handle?
Mark S Lassiter focuses on divorce, family law. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Mark S Lassiter practiced law?
Mark S Lassiter has 48+ years of legal experience and has been licensed since 1978.
How can I contact Mark S Lassiter for a consultation?
You can contact Mark S Lassiter 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 Mark S Lassiter

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 Mark S Lassiter's practice in the field of divorce and family law.

Decade-Tested Legal Experience

Mark S Lassiter brings 48+ 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 divorce and family law, Mark S Lassiter 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 Mark S Lassiter 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 Mark S Lassiter Handles in Tulsa

Below is a representative sample of the types of matters Mark S Lassiter 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.

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 Mark S Lassiter directly to discuss the specifics of your situation.

Search Reference

How People Find Mark S Lassiter 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 Mark S Lassiter.

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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 Mark S Lassiter directly.

Mark S Lassiter's Practice Areas & Specializations

Bar Admissions & Licensed Jurisdictions

Oklahoma
Admitted: 1978

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