Photo of Shanna M. Pearce

Shanna M. Pearce



  • J.D., Northwestern University School of Law, 2010, John Henry Wigmore Scholar
  • B.A., Belmont University, 2003, magna cum laude
  • California
  • U.S.D.C. Southern District of California
  • U.S.D.C. Central District of California
  • U.S.D.C. Eastern District of California
  • U.S.D.C. Northern District of California
  • Ninth Circuit Court of Appeals
Thought Leadership


Ms. Pearce is a senior associate in the Business Trial Practice Group in the firm’s Del Mar office.

Areas of Practice

Ms. Pearce represents businesses in the areas of intellectual property and commercial litigation, from trademark and copyright matters to consumer class actions. She has represented Fortune 500 companies in complex actions involving allegations of copyright violation, breach of contract, fraud, privacy violation and unfair business practices. She has also defended retailers and financial institutions in class actions alleging violations of state and federal laws relating to false advertising, privacy regulations, unfair competition, pricing practices, and lending disclosures. Ms. Pearce’s litigation experience ranges from pre-suit strategy and advice to post-trial proceedings, with a special focus on appellate issues. She also has significant experience in private domestic and international arbitrations.

Ms. Pearce co-chairs the Bench-Bar Committee of Lawyers Club of San Diego, and is an active member of both the San Diego County Bar Association Appellate Section and the San Diego Appellate Inn of Court. She is a member of Sheppard Mullin’s own Pro Bono Committee and coordinates pro bono training and case placement in the Del Mar office. Ms. Pearce’s pro bono practice focuses on asylum and other immigration matters for victims of persecution, torture, and domestic violence.


  • San Diego Rising Star, Super Lawyers, 2018
  • Best of the Bar 2015, San Diego Business Journal
  • Best of the Bar 2016, San Diego Business Journal


  • Represent retailers and brands in actions alleging textile pattern copyright infringement.
  • Represent retailers and brands in class action lawsuits across the country alleging false advertising relating to pricing practices.
  • Obtained highly favorable early individual settlement of putative class action alleging fraud and sale of counterfeit goods on behalf of national retailer.
  • Represented public utility in a multi-billion dollar international arbitration arising from claims of defective design of steam generators installed in a nuclear power plant.
  • Prevailed in private arbitration on behalf of transportation company in dispute against former owners for breach of fiduciary duty and breach of settlement and non-competition agreements.
  • Defeated class certification and obtained settlement of claims arising from residential loan modification programs on behalf of large financial institution.
  • Advised financial institutions on best practices related to foreclosure in states with rapidly changing statutory and judicial environment, as well as litigation strategies on matters of first impression, and contributed to state supreme court briefs related to foreclosure laws and practices.

Thought Leadership


Eye on Privacy Blog Posts

Speaking Engagements

  • "Protect the Palace: Employee Monitoring and Workplace Privacy in the Cyber Era," San Diego Employer Advisory Council Annual Seminar, October 16, 2013



  • Lawyers Club of San Diego
  • Association of Business Trial Lawyers
  • San Diego Appellate Inn of Court
  • San Diego County Bar Association