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Donald M. Falk

Donald M. Falk

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"Donald Falk is becoming California's class action killer."

The American Lawyer

Donald Falk has an extensive appellate practice in which he presents oral arguments, briefs, and motions in the US Supreme Court, and many other federal and state appellate and trial courts. His work involves a wide range of constitutional, statutory, patent, securities, administrative, criminal and common law issues. Don has successfully argued before the United States Supreme Court and the highest courts of California, New York, Maryland and Texas, and has briefed winning appeals in the Delaware and Nevada Supreme Courts. Don frequently briefs and argues cases in the federal and California state appellate courts. He has substantial experience with California’s broad unfair competition law (Business & Professions Code § 17200), and many of his recent matters have involved class certification issues and preemption under the Federal Arbitration Act.

Don has been certified as a specialist in appellate law by the California Bar. In 2013, he was listed in Chambers for California Appellate. The American Lawyer also recently observed that "Donald Falk is becoming California's class action killer." In addition to his work at all levels of the federal and state courts in enforcing arbitration clauses with class waivers, he has persuaded federal and state appellate courts to vacate certification of consumer classes. 

Much of Don’s work has involved antitrust issues for clients in the technology, pharmaceutical and other industries. He served as counsel for the Computer & Communications Industry Association and the Software and Information Industry Association in the Microsoft antitrust case. His amicus brief in that case, as Professor Calkins noted in the Antitrust Law Journal (Vol. 68, p. 625), was called “an excellent brief,” by Judge Thomas Penfield Jackson, who made it a focus of an entire afternoon’s questioning. “No one can say that antitrust amicus efforts are ignored,” Professor Calkins stated. In the same article Calkins credited Don’s brief for the NCAA as a prime influence on the pro-defendant formulation of the legal standard in California Dental Ass’n v. FTC, 526 US 756 (1999). 

Don’s work on patent issues includes extensive work on two cases helping patentees enforce their patents against imitators who produced insubstantial variants (i.e., “equivalents”) of particular elements of claimed inventions. He has further addressed claim construction, patent ownership, and divided infringement issues, along with more typical infringement briefing, predominantly involving technology in the electronics and health care industries, along with business method patents. Don also has briefed appeals in securities fraud and derivative actions. In addition, he has prepared major motions at the trial level on antitrust, arbitration, class action, and securities issues, among others. His experience also includes matters focusing on telecommunications, health care and employment law.

Don is a contributor to Class Defense, the firm’s blog on key issues affecting class action law and policy. He joined the firm in 1991 following his service as Law Clerk to The Honorable Douglas H. Ginsburg, US Court of Appeals for the District of Columbia Circuit, 1990-1991.

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