Atty. James C. O'Brien

Atty. James C. O'Brien

Mr. James C.

San Francisco San Francisco 27 yrs experience 27 year
Call (415) 707-5743 Book Appointment

Profile Summary

About James C. O'Brien at a glance

James C. O'Brien is an Of Counsel based in San Francisco, California, practicing at Gibson, Dunn & Crutcher LLP. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on business, real estate, ip, securities, and consumer. Admitted to practice in New York (1999), California (2007), California (2007), and District of Columbia (2017). Educated at New York University School of Law (Juris Doctor, 1998). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. James C. O'Brien is a lawyer practicing real estate, business, securities / investment fraud and 2 other areas of law
  • James received a degree from New York University School of Law in 1998, and has been licensed for 27 years
  • James practices at Gibson, Dunn & Crutcher LLP in San Francisco, CA

Practice Areas Explained

James C. O'Brien's Areas of Practice

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

Business & Corporate Law

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

James C. O'Brien is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

James C. O'Brien is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

James C. O'Brien is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Securities Law

James C. O'Brien is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in California →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

James C. O'Brien is one of 50,607 consumer attorneys indexed nationally. Browse consumer 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 San Francisco 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 San Francisco or all attorneys in California.

Frequently Asked

Common questions about James C. O'Brien

Where is James C. O'Brien's law office located?
James C. O'Brien's law practice is located in San Francisco, California. The firm is Gibson, Dunn & Crutcher LLP. You can contact the office directly through this profile page.
What practice areas does James C. O'Brien handle?
James C. O'Brien focuses on business, real estate, ip, securities, consumer. Each practice area listed reflects experience handling cases of that type in California.
How long has James C. O'Brien practiced law?
James C. O'Brien has 27+ years of legal experience and has been licensed since 1999.
Where did James C. O'Brien go to law school?
James C. O'Brien earned their education at (Juris Doctor, 1998).
How can I contact James C. O'Brien for a consultation?
You can contact James C. 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.

Education

Juris Doctor
New York University School of Law
- 1998

Bar Admissions

New York
Admitted: 1999
California
Admitted: 2007
California
Admitted: 2007
District of Columbia
Admitted: 2017

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