Tammy A. Tsoumas
Overview
Tammy Tsoumas represents leading U.S. and multinational corporations in complex commercial litigation matters including antitrust, price-fixing, monopolization, False Claims Act, restraint of trade, unfair competition, product liability, patent licensing, and wrongful death matters. She has experience in federal and state courts across the country and in complex multidistrict litigation, representing clients in diverse industries such as transportation, technology, electronics, media, manufacturing and financial services.
In 2022, Tammy was named to the Los Angeles Business Journal’s list of “Leaders of Influence: Litigators & Trial Attorneys,” and in 2018 she was named to its list of “Most Influential Women Attorneys.” In 2017 and 2018, she was recognized by The Legal 500 U.S. for her antitrust work. Tammy also has been recognized as one of Southern California’s “Rising Stars” by Super Lawyers from 2013–2017.