Seth W. Lloyd

Associate | Washington D.C. | (202) 887-6946
(202) 887-6946

Seth Lloyd is an associate in Morrison & Foerster’s Appellate and Supreme Court Practice with broad experience briefing and arguing appeals.

Seth has a nationwide appellate practice. He has briefed dozens of appeals in the federal courts of appeals. And he has presented oral arguments in the U.S. Courts of Appeals for the D.C. Circuit, the Ninth Circuit, and the Federal Circuit.

Seth also practices in the Supreme Court of the United States. He has drafted petitions and amicus briefs at the certiorari stage, as well as party and amicus briefs at the merits stage.

In addition to his nationwide practice, Seth has particular experience in patent appeals before the Federal Circuit. He has been a primary author of successful briefs on a wide range of technologies, from medical devices to chemistry to computer hardware and software. He also has successfully argued in that Court, including obtaining reversal of three Patent Trial and Appeal Board decisions in a consolidated appeal for a computer memory designer.

Before joining Morrison & Foerster, Seth served as a law clerk for Judge Richard G. Taranto of the Federal Circuit. He earned his J.D. from Stanford Law School, working in Stanford’s Supreme Court Litigation Clinic on two successful certiorari petitions and one successful merits case.

Seth also holds a Ph.D. in electrical engineering from Stanford University. During his graduate studies, he received the National Defense Science and Engineering Graduate Fellowship, published ten peer-reviewed articles, and was named an inventor on five U.S. patents.

Representative Experience

  • Netlist, Inc. v. Diablo Technologies, Inc. (02:56) 
    (Fed. Cir.) Argued and won reversal for owner of computer memory patents in appeals from three consolidated inter partes reviews.
  • Strike 3 Holdings, LLC v. Doe (21:40) 
    (D.C. Cir.) Argued as court-appointed amicus defending an order refusing a subpoena to unmask an internet subscriber’s identity.
  • Phigenix, Inc. v. Genentech, Inc. 
    (Fed. Cir.) Secured total victory of noninfringement for Genentech.
  • Federal National Mortgage Association v. Zabriskie 
    (9th Cir.) Won reversal for Fannie Mae of a Fair Credit Reporting Act judgment.
  • Bridge & Post, Inc. v. Verizon Communications, Inc. 
    (Fed. Cir.) Secured dismissal because asserted patents claimed unpatentable subject matter.
  • BASF Corp. v. Johnson Matthey Inc. 
    (Fed. Cir.) Won reversal of an invalidity ruling against patentee BASF, reviving its patent claims.
  • Deason v. Fujifilm Holdings Corp. 
    (New York Appellate Division, First Department) Secured reversal in major challenge to corporate acquisition.
  • Altayyar v. Etsy, Inc. 
    (2d Cir.) Secured dismissal of securities fraud case for failure to adequately plead falsity.
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