Shannon Z. Petersen: Lawyer with Sheppard, Mullin, Richter & Hampton LLP

Shannon Z. Petersen


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Experience & Credentials

Practice Areas

  • Litigation
  • Class Action Defense
  • Financial Institutions Litigation
  • Insurance Litigation
  • Privacy and Data Security
  • Telephone Consumer Protection Act - TCPA
  • Communications
  • Financial Services
  • Healthcare
  • Insurance
University University of Montana, B.A., with high honors, 1993; Université de Saint-Louis, Sénégal, 1994 Fulbright Fellow; University of Montana, M.A., 1995; University of Wisconsin, Ph.D., 2000
Law SchoolStanford Law School, J.D., with distinction, 2000
Admitted2000, California; U.S. District Courts for the Southern, Central, Northern, and Eastern Districts of California


•American Financial Services Association

•Pro Se Panel of the U.S. District Court for the Southern District of California

•Board of Governors of the Association of Business Trial Lawyers, San Diego

•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

LanguagesFrench; Russian

Shannon Z. Petersen is a partner in the Business Trial Practice Group in the firm's San Diego office and is co-chair of the firm's TCPA consumer class action defense team.

Areas of Practice

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.

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


•2013, Certificate Of Recognition for Pro Bono Services from the United States District Court for the Southern District of California

•2008, recognized as a Top Young Attorney in San Diego by The Daily Transcript

•2007, 2003, 2002, California Bar Association Wiley Manuel Award for Pro Bono Legal Services

•2003, Nominee, California Bar Association President's Pro Bono Service Award, Recently Admitted Category

•2002-2003, San Diego Volunteer Lawyer Program Distinguished Service Award

•1992, Honorable Discharge, U.S. Navy, Russian linguist




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The Eleventh Circuit Interprets Prior Express Consent Under The TCPA
Mercedes A. Cook,Shannon Z. Petersen, May 26, 2014
In Osorio v. State Farm Bank, F.S.B., No. 13-10951, 2014 U.S. App. LEXIS 5709 (11th Cir. Mar. 28, 2014), the U.S. Court of Appeals for the Eleventh Circuit has provided some guidance on the parameters of “prior express consent” under the Telephone Consumer Protection Act...
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Office Information

Shannon Z. Petersen

501 West Broadway, Nineteenth Floor
San DiegoCA 92101


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