Atty. David Marc Stein

Atty. David Marc Stein

David Marc Stein is a lawyer practicing intellectual property and trade secrets, litigation. David received a B.A. degree from Stanford University in 1993, and has been licensed for 30 years.

Costa Mesa Costa Mesa 30 yrs experience 30 year
Call (949) 570-9148 Book Appointment

Profile Summary

About David Marc Stein at a glance

David Marc Stein is a Partner based in Costa Mesa, California, practicing at Greenberg Gross Llp. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on ip, trade secrets, and litigation. Admitted to practice in Texas U.S. Court of Appeals for the Federal Circuit U.S. District Court for the Central District of (1996) and California (1998). Educated at Georgetown University Law Center (J.D., 1996) and Stanford University (B.A., 1993). Serands clients in Costa Mesa, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Marc Stein is a lawyer practicing intellectual property and trade secrets, litigation
  • David received a B.A. degree from Stanford University in 1993, and has been licensed for 30 years
  • David practices at Greenberg Gross LLP in Costa Mesa, CA

Practice Areas Explained

David Marc Stein's Areas of Practice

Each practice area below reflects the types of cases David Marc Stein handles, with a brief overview of what that area of law covers.

Intellectual Property

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

David Marc Stein is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Trade Secrets

David Marc Stein is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in California →

Civil Litigation

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

David Marc Stein is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Costa Mesa 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 Costa Mesa or all attorneys in California.

Frequently Asked

Common questions about David Marc Stein

Where is David Marc Stein's law office located?
David Marc Stein's law practice is located in Costa Mesa, California. The firm is Greenberg Gross Llp. You can contact the office directly through this profile page.
What practice areas does David Marc Stein handle?
David Marc Stein focuses on ip, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has David Marc Stein practiced law?
David Marc Stein has 30+ years of legal experience and has been licensed since 1996.
Where did David Marc Stein go to law school?
David Marc Stein earned their education at (J.D., 1996); (B.A., 1993).
How can I contact David Marc Stein for a consultation?
You can contact David Marc Stein 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

J.D.
Georgetown University Law Center
- 1996
B.A.
Stanford University
- 1993

Bar Admissions

Texas U.S. Court of Appeals for the Federal Circuit U.S. District Court for the Central District of
Admitted: 1996
California
Admitted: 1998

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