Dr Shannon Petersen > Sheppard, Mullin, Richter & Hampton LLP > San Diego (Downtown), United States > Lawyer Profile

Sheppard, Mullin, Richter & Hampton LLP
United States

Work Department

Business Trial


Dr. Petersen represents clients in a variety of industries, including financial services, insurance, healthcare, and others.


Dr. Petersen has substantial trial experience as a business litigator, including consumer class action defense. He has successfully represented clients in claims involving the federal Telephone Consumer Protection Act (TCPA), the Fair Debt Collection Practices Act (FDCPA), the Fair Credit Reporting Acting (FCRA), the Truth in Lending Act (TILA), the Real Estate Settlement Procedures Acts (RESPA); California’s Unfair Competition Law (UCL), Consumers Legal Remedies Act (CLRA), Rosenthal Act, Automobile Sales Finance Act (ASFA or Rees-Levering), Vehicle Leasing Act, Confidentiality of Medical Information Act (CMIA); breach of contract, insurance bad faith, unfair business practices, false advertising, fraud, breach of fiduciary duty, negligence, wrongful foreclosure, wrongful repossession, unfair debt collection, unfair credit reporting, unjust enrichment, misappropriation of trade secrets, trademark infringement, quiet title, emotional distress, construction defect, privacy, and receiverships, among others.


French; Russian


American Financial Services Association; Pro Se Panel of the U.S. District Court for the Southern District of California; Association of Business Trial Lawyers, San Diego (former member of Board of Governors); Editorial Board of the Association of Business Trial Lawyers Report, San Diego; Barrister, Louis M. Welsh Chapter of the American Inns of Court; State Bar of California and San Diego County Bar Association


Ph.D., University of Wisconsin, 2000; J.D., Stanford Law School, 2000, with distinction; M.A., University of Montana, 1995; Fulbright Fellow, Université de Saint-Louis, Sénégal, 1994; B.A., University of Montana, 1993, with high honors

Lawyer Rankings

United States > Media, technology and telecoms > Cyber law (including data privacy and data protection)

Sheppard, Mullin, Richter & Hampton LLP is ‘very knowledgeable’ in data breach, class action and litigation, technology transactions and privacy counseling as well as cybersecurity matters. The practice is headed by ‘standoutLiisa Thomas and Craig Cardon, who are based in Chicago and Century City respectively. Thomas, Cardon and New York’s Kari Rollins acted for fast-food brand Sonic as breach response and litigation counsel in connection with a data breach suffered by the client’s drive-in restaurants in 2017 and following class actions. San Diego’s Dr Shannon Petersen assisted weight loss company Jenny Craig with a putative class action alleging the client’s violation of TCPA. Christine Clements, who specializes in HIPAA, joined the Washington DC office from Crowell & Moring LLP in April 2018.