Catherine Y.N. Gannon

Consumer Protection Law

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Seattle, Washington

17+ years experience

Hagens Berman Sobol Shapiro LLP

Updated: Dec 25, 2025

Contact Information

206-623-7292

https://www.hbsslaw.com/attorneys/catherine-gannon

1301 Second Avenue, Suite 2000, Seattle, WA 98101

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Bio

Ms. Gannon has applied her expertise in antitrust, securities and consumer protection law to recover tens of millions of dollars on behalf of consumers across the country.CURRENT ROLEPartner, Hagens Berman Sobol Shapiro LLPLead partner for associate training and development at Hagens BermanPractice focuses on securities and antitrust matters, as well as nationwide consumer protection cases involving large corporationsExtensive experience working with expert witnesses, often in economic and other highly technical areasEXPERIENCEServed as First Chair in a federal class action jury trial through to verdictPreviously appeared before the Eleventh Circuit Court of AppealsArticling Student at “Seven Sister” Law Firm, Toronto, CanadaAssociate at Am Law Top Ten firm, New York, New York Ms. Gannon has applied her expertise in antitrust, securities and consumer protection law to recover tens of millions of dollars on behalf of consumers across the country.CURRENT ROLEPartner, Hagens Berman Sobol Shapiro LLPLead partner for associate training and development at Hagens BermanPractice focuses on securities and antitrust matters, as well as nationwide consumer protection cases involving large corporationsExtensive experience working with expert witnesses, often in economic and other highly technical areasEXPERIENCEServed as First Chair in a federal class action jury trial through to verdictPreviously appeared before the Eleventh Circuit Court of AppealsArticling Student at “Seven Sister” Law Firm, Toronto, CanadaAssociate at Am Law Top Ten firm, New York, New York

Practice Areas

Consumer Protection Law

Awards & Recognition

Recognized: Consumer Protection Law
Recognized: Mass Tort Litigation / Class Actions - Plaintiffs
Practice Area: Litigation - Securities
Practice Area: Litigation - Antitrust
Rising Star, Washington Super Lawyers, 2016-2023
National Trial Lawyers Top 40 Under 40 in Washington State, Civil Plaintiff, 2022