Atty. William Robert Moriarty

Atty. William Robert Moriarty

William Robert Moriarty is a lawyer practicing business, administrative law, litigation. William received a degree from Columbia University Law School in 2010, and has been licensed for 15 years.

Los Angeles Los Angeles 15 yrs experience 15 year
Call (213) 468-6002 Book Appointment

Administrative Law & More Attorney · Serving Los Angeles, CA · 15+ Years Experience

Profile Summary

About William Robert Moriarty at a Glance

William Robert Moriarty is an Associate Attorney based in Los Angeles, California, practicing at Gibson Dunn And Crutcher Llp. They have 15+ years of legal experience, licensed to practice since 2011. Their practice focuses on business, litigation, and government. Admitted to practice in New York (2011) and North Dakota (2013). Educated at Columbia University Law School (Juris Doctor, 2010). Serves clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William Robert Moriarty

  • William Robert Moriarty is a lawyer practicing business, administrative law, litigation
  • William received a degree from Columbia University Law School in 2010, and has been licensed for 15 years
  • William practices at Gibson, Dunn & Crutcher LLP in Los Angeles, CA and 1 other location

Practice Areas Explained

William Robert Moriarty's Areas of Legal Practice

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

Business & Corporate Law in Los Angeles

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

William Robert Moriarty is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →

Civil Litigation in Los Angeles

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

William Robert Moriarty is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Government & Administrative Law in Los Angeles

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

William Robert Moriarty is one of 131,162 government attorneys indexed nationally. Browse government attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Los Angeles

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 Los Angeles 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 venue, 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.

Los Angeles Courts and Legal Process

Choosing a Los Angeles-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 California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common Questions About William Robert Moriarty

Where is William Robert Moriarty's law office located?
William Robert Moriarty's law practice is located in Los Angeles, California. The firm is Gibson Dunn And Crutcher Llp. You can contact the office directly through this profile page.
What practice areas does William Robert Moriarty handle?
William Robert Moriarty focuses on business, litigation, government. Each practice area listed reflects experience handling cases of that type in California.
How long has William Robert Moriarty practiced law?
William Robert Moriarty has 15+ years of legal experience and has been licensed since 2011.
Where did William Robert Moriarty go to law school?
William Robert Moriarty earned their education at (Juris Doctor, 2010).
How can I contact William Robert Moriarty for a consultation?
You can contact William Robert Moriarty 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 Los Angeles Choose William Robert Moriarty

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 William Robert Moriarty's practice in the field of business, litigation, and government.

Decade-Tested Legal Experience

William Robert Moriarty brings 15+ 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 New York and North Dakota, William Robert Moriarty can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, litigation, and government, William Robert Moriarty can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Los Angeles

A Los Angeles-based practice means William Robert Moriarty 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 William Robert Moriarty Handles in Los Angeles

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

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

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

Search Reference

How People Find William Robert Moriarty Online

Prospective clients searching for legal help in Los Angeles 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 William Robert Moriarty.

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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 William Robert Moriarty directly.

William Robert Moriarty's Practice Areas & Specializations

Education & Law School Background

Juris Doctor
Columbia University Law School
- 2010

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 2011
North Dakota
Admitted: 2013

Client Reviews & Ratings — William Robert Moriarty

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