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B.A. (Liberal Arts), New School University, 1999

M.A. (Philosophy & Literature), New York University, 2000

J.D., University of Virginia School of Law, 2003


Gradstein, Luskin & Van Dalsem, P.C., 2004 – 2006

Quinn Emanuel Urquhart & Sullivan, LLP, 2006 – 2013

Glaser Weil Fink Howard Avchen & Shapiro LLP, 2013 – 2016

David Sergenian

Of Counsel

David Sergenian is a litigator with extensive experience in intellectual property and high-stakes commercial litigation, and he is Of Counsel to Phillips Lex.  Sergenian has represented clients on “both sides of the v.,” including numerous Fortune 500 companies, in litigations, trials, arbitrations, and alternative dispute resolutions in various courts, and in proceedings before the USPTO TTAB.


Sergenian teams up with Phillips Lex on IP and complex commercial cases.


Represented a film production company and major film studio in a lawsuit against a game manufacturer and its parent company concerning intellectual property rights in film, television, and other media. Following a bench trial in the Central District of California, the case settled before a decision issued.

Represented an established visual artist in a copyright infringement action against a multi-billion-dollar cosmetics company for claims arising out of the unauthorized use of the client’s image. The case was settled on confidential terms.

Represented a prominent real estate developer in a jury trial in which the plaintiffs sought hundreds of millions of dollars in child support. The jury returned a complete defense verdict after 90 minutes of deliberation. The verdict was upheld on appeal before the California Court of Appeal.

Represented a Los Angeles-based investment management firm in a six-week trial against an executive and his colleagues who, the jury found, misappropriated the firm’s trade secrets and breached their fiduciary duties to the company. The case settled before the Court assessed damages on the firm’s trade secrets claim.

Represented plaintiff, a well-known actress, in a jury trial against the estate of her former husband, a renowned musician, in a trial on plaintiff’s claim for breach of a contract to make a will. After 90 minutes of deliberation, the jury returned a verdict awarding the full amount of damages claimed. The verdict was upheld on appeal.

Represented a Fortune 500 broadcasting company against patent infringement claims by a patent-licensing company in the largest multi-district litigation patent case in history. The parties reached a settlement after several rounds of summary judgment rulings and reexamination proceedings before the U.S. Patent & Trademark Office that invalidated all the patents-at-issue.


California State Courts

District Court for the Central District of California

District Court for the Southern District of California

Court of Appeals for the Federal Circuit

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