Atty. J. Michael Mancillas

Atty. J. Michael Mancillas

J. Michael Mancillas is a lawyer practicing workers compensation defense.

Oklahoma City Oklahoma City 52 yrs experience 52 year
Call (405) 928-9872 Book Appointment

Profile Summary

About J. Michael Mancillas at a glance

J. Michael Mancillas is a Member based in Oklahoma City, Oklahoma, practicing at Mancillas Law Office. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on workers comp. Admitted to practice in Oklahoma (1974), U.S. District Court, Western District of Oklahoma (1975), U.S. Supreme Court (1979), and U.S. Court of Appeals, Tenth Circuit (1980). Educated at University of Oklahoma (J.D., 1974) and University of Oklahoma (B.B.A., 1971). Recognitions include BV Distinguished. Active member of Oklahoma County and Oklahoma (Member, Workers Compensation Section) Bar Associations. Serands clients in Oklahoma City, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • J. Michael Mancillas is a lawyer practicing workers compensation defense
  • J. received a B.B.A. degree from University of Oklahoma in 1971, and has been licensed for 52 years
  • J. practices at Mancillas Law Office in Oklahoma City, OK

Practice Areas Explained

J. Michael Mancillas's Areas of Practice

Each practice area below reflects the types of cases J. Michael Mancillas handles, with a brief overview of what that area of law covers.

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

J. Michael Mancillas is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in Oklahoma →

Jurisdictional Context

Why local counsel matters in Oklahoma

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 Oklahoma City 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 andnue, 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.

Looking for additional Oklahoma attorneys? Browse all attorneys in Oklahoma City or all attorneys in Oklahoma.

Frequently Asked

Common questions about J. Michael Mancillas

Where is J. Michael Mancillas's law office located?
J. Michael Mancillas's law practice is located in Oklahoma City, Oklahoma. The firm is Mancillas Law Office. You can contact the office directly through this profile page.
What practice areas does J. Michael Mancillas handle?
J. Michael Mancillas focuses on workers comp. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has J. Michael Mancillas practiced law?
J. Michael Mancillas has 52+ years of legal experience and has been licensed since 1974.
Where did J. Michael Mancillas go to law school?
J. Michael Mancillas earned their education at (J.D., 1974); (B.B.A., 1971).
How can I contact J. Michael Mancillas for a consultation?
You can contact J. Michael Mancillas 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 J. Michael Mancillas received?
J. Michael Mancillas's notable recognition includes: BV Distinguished.

Education

J.D.
University of Oklahoma
- 1974
B.B.A.
University of Oklahoma
- 1971

Awards

BV Distinguished

Bar Admissions

Oklahoma
Admitted: 1974
U.S. District Court, Western District of Oklahoma
Admitted: 1975
U.S. Supreme Court
Admitted: 1979
U.S. Court of Appeals, Tenth Circuit
Admitted: 1980

Reviews

4.5
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.