Atty. Marc A. Fenster

Atty. Marc A. Fenster

Marc Fenster is co-chair of the Litigation Department and chair of the Patent Litigation department at RAK, which he founded in 2003. Mr.

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Profile Summary

About Marc A. Fenster at a glance

Marc A. Fenster is a patent attorney based in Los Angeles, California, practicing at Russ August & Kabat. Educated at University of California Los Angeles (JD, 1995) and University of California - San Diego (—, 1992). Recognitions include Best Lawyers in America — Litigation - Patent (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Litigation - Intellectual Property (2026). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Marc Fenster is co-chair of the Litigation Department and chair of the Patent Litigation department at RAK, which he founded in 2003
  • Mr. Fenster is a first chair trial lawyer specializing in high-technology patent litigation
  • Prior to joining Russ August & Kabat, Mr. Fenster was a lawyer at Irell & Manella LLP from 1995 to 2003, where he was a member of the Intellectual Property and Litigation work groups
  • Mr. Fenster has handled complex commercial cases involving patents, trademarks, copyrights, securities, licensing, class-actions and contracts
  • Mr. Fenster was recognized as a Southern California Rising Star by the publishers of Los Angeles Magazine in 2009
  • And from 2010-2023, he was recognized as a Southern California Super Lawyer
  • From 2015-2019, Mr. Fenster was recognized as a Southern California Top 100 Super Lawyer
  • He was named to The Best Lawyers in America (2022 – 2024 Editions) in patent litigation
  • Mr. Fenster was named among the Los Angeles Business Journal’s 2017 Leading Intellectual Property Attorneys – August 2017
  • Mr. Fenster also advises clients regarding various intellectual property and licensing issues in a nonlitigation context, particularly start-up high-tech clients seeking to protect and exploit their intellectual property assets
  • Mr. Fenster’s undergraduate and graduate coursework focused on mass transfer, biochemistry, microbiology, human physiology, biomechanics, mechanical engineering and computer programming
  • His Master’s thesis involved a computer model of the micro-circulation in skeletal muscle, including passive and active vessel properties, hematocrit and blood rheology
  • While at the UCLA School of Law, Marc avidly participated in competitive Moot Court and represented UCLA at the state Moot Court tournament

Practice Areas Explained

Marc A. Fenster's Areas of Practice

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

Patent Law

Marc A. Fenster is one of 20,749 patent attorneys indexed nationally. Browse patent 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 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 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 Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Marc A. Fenster

Where is Marc A. Fenster's law office located?
Marc A. Fenster's law practice is located in Los Angeles, California. The firm is Russ August & Kabat. You can contact the office directly through this profile page.
What practice areas does Marc A. Fenster handle?
Marc A. Fenster focuses on patent. Each practice area listed reflects experience handling cases of that type in California.
Where did Marc A. Fenster go to law school?
Marc A. Fenster earned their education at (JD, 1995); (—, 1992); (BS, 1991).
How can I contact Marc A. Fenster for a consultation?
You can contact Marc A. Fenster 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 Marc A. Fenster received?
Marc A. Fenster's notable recognition includes: Best Lawyers in America — Litigation - Patent; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Litigation - Intellectual Property; Best Lawyers in America — Special Focus:; Best Lawyers in America — Patent.

Practice Areas

Education

JD
University of California Los Angeles
- 1995
University of California - San Diego
- 1992
BS
University of California - San Diego
- 1991

Awards

Best Lawyers in America — Litigation - Patent
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Litigation - Intellectual Property
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Patent
- 2026
Best Lawyers in America — Trademark
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Mr. Fenster was recognized as a Southern California Rising Star by the publishers of Los Angeles Magazine in 2009.
- 2026
Best Lawyers in America — Mr. Fenster was recognized as a Southern California Super Lawyer from 2010-2021.
- 2026
Best Lawyers in America — Mr. Fenster was recognized as a Southern California Top 100 Super Lawyer from 2015-2019.
- 2026

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