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Mr. Papaefthimiou received his B.A. from UCLA and J.D. from the University of San Diego School of Law.  While in law school he received an award for oral advocacy and wrote two articles published in the Journal of Contemporary Legal Issues.  He prides himself on winning cases by way of motion practice before trial.  He has participated in several trials and appeals over the past decade.  He is admitted to practice in state and federal courts in California.  He is admitted to practice and has handled appeals in the United States Court of Appeals for the Ninth Circuit and the United States Trademark, Trial and Appeal Board.​​
After graduating in the top of his class from the University of Tennessee - Knoxville (B.S. Accounting) and University of San Diego School of Law, he started his legal career in a large law firm (Milberg, Weiss, Bershad & Lerach) handling complex securities and class action lawsuits. He then became a partner in a small law firm and broadened his practice to include IP litigation and trials.  Since 1997, he has had his own firm and focuses his practice on IP litigation and complex litigation.  He is admitted to practice in state and federal courts in California.  He is admitted to practice and has handled appeals in the United States Court of Appeals for the Ninth Circuit, Fourth Circuit, Third Circuit and Federal Circuit.

Patricia McWilliams

Since 2009, Patricia McWilliams has assisted Darren Quinn on a myriad of client matters including research, discovery, and editing of legal briefs and other legal documents.  Ms. McWilliams has a B.S. Ed., M. Ed. and Ph.D in School Administration and Law from the University of Missouri-Columbia.

Alexander Papaefthimiou

Since 2004, Alexander Papaefthimiou has fought side-by-side with Darren J. Quinn on numerous complex IP litigation cases and appeals where he developed his strengths in written and oral advocacy.  He is a strategic thinker who wants what is best for the client.
  • Understand your needs and wants
  • Analyze the applicable facts and law
  • Agree on a strategy going forward
  • Fight hard and professionally
  • Obtain desired results through settlement, trial or appeal

We Care

We care about you and your case.  Our focus is a positive outcome for you.  We have repeatedly sacrificed nights, weekends, and holidays to accomplish litigation tasks that move our client matters forward.   

Our Lawyers

Our lawyers are among the best and brightest in the world and frequently go toe-to-toe against the best and brightest attorneys in the world.  We are battle-seasoned attorneys who encourage settlement, but will relentlessly fight through trial and appeal to obtain your desired outcome.

DARREN J. QUINN

Darren Quinn has over 26 years of complex litigation experience.  Mr. Quinn has over 60 published cases and has been lead counsel on dozens of trials and appeals.  He has litigated with or against some of the largest firms in the world.   He truly cares about good results for his clients.

OUR VALUE TO YOU

ATTORNEYS

OUR CORE VALUES:

IP Litigation: Strategy + Negotiation + Trial + Appeal

Law Offices of Darren J. Quinn