Atty. Daniel James Thomasch

Atty. Daniel James Thomasch

Daniel James Thomasch is a lawyer practicing litigation, appellate and constitutional law, crisis management and 6 other areas of law. Daniel received a degree from Columbia University School of Law in 1981, and has been licensed for 44 years.

Los Angeles Los Angeles 44 yrs experience 44 year
Call (424) 600-2926 Book Appointment

Appellate And Constitutional Law & More Attorney · Serving Los Angeles, CA · 44+ Years Experience

Profile Summary

About Daniel James Thomasch at a Glance

Daniel James Thomasch is a Partner based in Los Angeles, California, practicing at Gibson Dunn And Crutcher Llp. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on ip, product liability, litigation, health care, and appellate. Admitted to practice in New York (1982). Educated at Columbia University School of Law (JD, 1981) and Columbia University School of Law (Juris Doctor, 1981). Recognitions include AV Preeminent. Serves clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Daniel James Thomasch

  • Daniel James Thomasch is a lawyer practicing litigation, appellate and constitutional law, crisis management and 6 other areas of law
  • Daniel received a degree from Columbia University School of Law in 1981, and has been licensed for 44 years
  • Daniel practices at Gibson, Dunn & Crutcher LLP in Los Angeles, CA and 1 other location

Practice Areas Explained

Daniel James Thomasch's Areas of Legal Practice

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

Intellectual Property in Los Angeles

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

Daniel James Thomasch is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in California →

Product Liability in Los Angeles

Daniel James Thomasch is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in California →

Civil Litigation in Los Angeles

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

Daniel James Thomasch is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Health Care Law in Los Angeles

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Daniel James Thomasch is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in California →

Appellate Practice in Los Angeles

Appellate attorneys for civil and criminal appeals at state and federal court.

Daniel James Thomasch is one of 85,572 appellate attorneys indexed nationally. Browse appellate 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 Daniel James Thomasch

Where is Daniel James Thomasch's law office located?
Daniel James Thomasch'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 Daniel James Thomasch handle?
Daniel James Thomasch focuses on ip, product liability, litigation, health care, appellate. Each practice area listed reflects experience handling cases of that type in California.
How long has Daniel James Thomasch practiced law?
Daniel James Thomasch has 44+ years of legal experience and has been licensed since 1982.
Where did Daniel James Thomasch go to law school?
Daniel James Thomasch earned their education at (JD, 1981); (Juris Doctor, 1981).
How can I contact Daniel James Thomasch for a consultation?
You can contact Daniel James Thomasch 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 Daniel James Thomasch received?
Daniel James Thomasch's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Los Angeles Choose Daniel James Thomasch

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 Daniel James Thomasch's practice in the field of ip, product liability, litigation, health care, and appellate.

Decade-Tested Legal Experience

Daniel James Thomasch brings 44+ 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 ip, product liability, and litigation, Daniel James Thomasch 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 Daniel James Thomasch 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 Daniel James Thomasch Handles in Los Angeles

Below is a representative sample of the types of matters Daniel James Thomasch 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.

Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Daniel James Thomasch directly to discuss the specifics of your situation.

Search Reference

How People Find Daniel James Thomasch 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 Daniel James Thomasch.

Daniel James Thomasch attorney Daniel James Thomasch lawyer Daniel James Thomasch Los Angeles Daniel James Thomasch California Daniel James Thomasch reviews Daniel James Thomasch contact Gibson Dunn And Crutcher Llp law firm ip attorney in Los Angeles ip lawyer Los Angeles best ip attorney Los Angeles top rated ip lawyer near me ip attorney California find a lawyer near me how to hire an attorney

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 Daniel James Thomasch directly.

Education & Law School Background

JD
Columbia University School of Law
- 1981
Juris Doctor
Columbia University School of Law
- 1981

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1982

Client Reviews & Ratings — Daniel James Thomasch

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