Katie L. Viggiani

Associate | New York

kviggiani@mofo.com | (212) 336-4212

(212) 336-4212

Katie Viggiani is an associate in the Litigation Department in Morrison & Foerster's New York office.

Ms. Viggiani’s practice focuses on the defense of complex commercial disputes. She has represented U.S. and international clients in actions involving federal securities laws, escrow disputes, class actions, and a wide array of commercial matters. Ms. Viggiani has drafted and successfully argued motions in federal and state courts, with her practice including work at both the trial and appellate levels.

Ms. Viggiani also has extensive experience in white-collar defense and regulatory matters. She has represented clients facing regulatory investigations and enforcement actions involving securities fraud, benchmark manipulation, market manipulation, tax evasion, and accounting brought by the U.S. Department of Justice (DOJ), Securities and Exchange Commission (SEC), Commodity Futures Trading Commission (CFTC), and the Financial Industry Regulatory Authority (FINRA). Ms. Viggiani was also part of a trial team that represented the founder and former CEO of a high-tech company in a criminal prosecution alleging stock option backdating and improper revenue recognition. The team achieved two separate criminal trial victories, obtaining acquittal on six counts and a hung jury on the one remaining count.

Ms. Viggiani maintains an active pro bono practice with a particular focus on indigent criminal defense, civil rights work, and legal issues facing the LGBTQ community. She was a founding member of the firm’s NY LGBTQ Affinity Group, and is an active member of the firm’s Women’s Strategy Committee.

She earned her J.D. in 2009 from the UCLA School of Law, where she was a managing editor of the UCLA Women’s Law Journal. While in law school, Ms. Viggiani worked as a law clerk for the Los Angeles County Public Defender and as an intern in the Federal Defender’s Los Angeles office, where she served as the attorney of record representing individuals in criminal matters in U.S. district court.

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