Atty. David C. Marcus
David Marcus has more than 30 years of experience as a trial lawyer, both in private practice and as a government prosecutor. He has tried cases involving fraud, breach of contract, patent infringement and antitrust.
Commercial Litigation Attorney · Serving Los Angeles, CA · 39+ Years Experience
Profile Summary
About David C. Marcus at a Glance
David C. Marcus is a business and litigation attorney based in Los Angeles, California, practicing at Wilmer Cutler Pickering Hale and Dorr LLP. They have 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in New York, New York State Bar Association (1987), California, The State Bar of California (1992), and Massachusetts, Massachusetts Bar Association (1993). Educated at Yale University (J.D., 1985) and Colby College (BA, 1982). Recognitions include Best Lawyers in America — Commercial Litigation (2026). Serves clients in Los Angeles, CA and the surrounding metropolitan area.
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About David C. Marcus
- David Marcus has more than 30 years of experience as a trial lawyer, both in private practice and as a government prosecutor
- He has tried cases involving fraud, breach of contract, patent infringement and antitrust
Practice Areas Explained
David C. Marcus's Areas of Legal Practice
Each practice area below reflects the types of cases David C. Marcus 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.
David C. Marcus 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.
David C. Marcus is one of 450,751 litigation attorneys indexed nationally. Browse litigation 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.
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Professional Profile
Why Clients in Los Angeles Choose David C. Marcus
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 David C. Marcus's practice in the field of business and litigation.
Decade-Tested Legal Experience
David C. Marcus brings 39+ 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, New York State Bar Association, California, The State Bar of California, and Massachusetts, Massachusetts Bar Association, David C. Marcus can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business and litigation, David C. Marcus 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 David C. Marcus 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 David C. Marcus Handles in Los Angeles
Below is a representative sample of the types of matters David C. Marcus 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.
This list is illustrative, not exhaustive. Contact David C. Marcus directly to discuss the specifics of your situation.
Search Reference
How People Find David C. Marcus Online
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David C. Marcus's Practice Areas & Specializations
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