Atty. Sean August O'Brien

Sean August O'Brien is a lawyer practicing commercial litigation, business litigation, real estate litigation and 26 other areas of law. Sean received a M.B.A. degree from University of California at Berkeley in 1986, and has been licensed for 38 years.

Irvine Irvine 38 yrs experience 38 year

Call (949) 409-8802 Book Appointment

Profile Summary

About Sean August O'Brien at a glance

Sean August O'Brien is a Principal based in Irvine, California, practicing at Payne And Fears Llp. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on wrongful termination, discrimination, trademark, sexual harassment, and personal injury. Admitted to practice in California (1988). Educated at University of California, Boalt Hall (J.D., 1987) and University of California at Berkeley (M.B.A. University, 1986). Recognitions include Peer Reviewed. Active member of Association of Business Trial Lawyers, Orange County Chapter Continuing Education of the Bar. Serands clients in Irvine, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

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About

Sean August O'Brien is a lawyer practicing commercial litigation, business litigation, real estate litigation and 26 other areas of law
Sean received a M.B.A. degree from University of California at Berkeley in 1986, and has been licensed for 38 years
Sean practices at Payne & Fears LLP in Irvine, CA

Practice Areas Explained

Sean August O'Brien's Areas of Practice

Each practice area below reflects the types of cases Sean August O'Brien handles, with a brief overview of what that area of law covers.

Wrongful Termination

Sean August O'Brien is one of 6,921 wrongful termination attorneys indexed nationally. Browse wrongful termination attorneys in California →

Workplace Discrimination

Sean August O'Brien is one of 7,100 discrimination attorneys indexed nationally. Browse discrimination attorneys in California →

Trademark Law

Sean August O'Brien is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Sexual Harassment

Sean August O'Brien is one of 6,021 sexual harassment attorneys indexed nationally. Browse sexual harassment attorneys in California →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Sean August O'Brien is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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 andnue, 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.

Looking for additional California attorneys? Browse all attorneys in Irvine or all attorneys in California.

Frequently Asked

Common questions about Sean August O'Brien

Where is Sean August O'Brien's law office located?

Sean August O'Brien's law practice is located in Irvine, California. The firm is Payne And Fears Llp. You can contact the office directly through this profile page.

What practice areas does Sean August O'Brien handle?

Sean August O'Brien focuses on wrongful termination, discrimination, trademark, sexual harassment, personal injury. Each practice area listed reflects experience handling cases of that type in California.

How long has Sean August O'Brien practiced law?

Sean August O'Brien has 38+ years of legal experience and has been licensed since 1988.

Where did Sean August O'Brien go to law school?

Sean August O'Brien earned their education at (J.D., 1987); (M.B.A. University, 1986).

How can I contact Sean August O'Brien for a consultation?

You can contact Sean August O'Brien 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 Sean August O'Brien received?

Sean August O'Brien's notable recognition includes: Peer Reviewed.

Practice Areas

Business Litigation Commercial Litigation Real Estate Litigation Age Discrimination In Employment Appellate Practice Confidentiality Agreements Covenants Not To Compete Disability Discrimination Employer Intentional Torts Employment Arbitration Employment Breach Of Contract Employment Class Actions Employment Disability Discrimination Employment Discrimination Employment Litigation Harassment Intellectual Property Litigation Labor and Employment Non Competition And Non Solicitation Noncompete Litigation Restrictive Covenants Sexual Harassment Title VII Discrimination Trade Secrets Trademark Litigation Unfair Competition Wage And Hour Class Actions Wrongful Termination Wrongful Termination Defense

Education

J.D.

University of California, Boalt Hall

- 1987

M.B.A. University

University of California at Berkeley

- 1986

Awards

Peer Reviewed

Bar Admissions

California

Admitted: 1988

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