San Diego
101 W. Broadway
Suite 2000
San Diego, CA 92101

Los Angeles
633 West Fifth Street
52nd Floor
Los Angeles, CA 90071

5 Park Plaza
Suite 1100
Irvine, CA 92614


J.D., George Washington University Law School, 2006

B.A., Psychology, University of California, Berkeley, 2001


  • French
  • Spanish

Tatiana Dupuy is senior counsel in the San Diego office and a member of the Environmental/Toxic Tort and Commercial and Business Litigation practice groups.

Representative Experience

Ms. Dupuy has litigated a number of matters to successful resolution and has experience in toxic tort, product liability, general liability, commercial litigation, environmental, and employment litigation matter. She has represented a wide range of entities in her practice including corporations, insurance companies, homeowners’ associations, construction companies, small businesses, and environmental abatement companies. 

The environmental matters which she has handled have dealt with such issues as soil and groundwater contamination, mold contamination and environmental, occupational and industrial exposures to chemicals and toxic substances. Additionally, she has experience with asbestos-related matters, mold-related personal injury and wrongful death actions. Ms. Dupuy has litigated matters relating to environmental exposures in various contexts, including but not limited to, chemical plants, commercial plants, and buildings, powerhouses, refineries, residences, schools, shipyards and steel mills.

Ms. Dupuy also has commercial litigation experience and has tried a matter in federal court. She has handled fraud-based claims, contract-based disputes, products liability matters, specialized professional liability claims, and financial, lending and debt collection laws, among other commercial matters.

Ms. Dupuy has experience working on intellectual property matters including, IP litigation and counseling transactional clients on copyright and trademark matters.  She also has experience working on employment matters.

Ms. Dupuy has litigated and tried matters in federal and state court. She is fluent in Spanish and proficient in French.




San Diego Bar Association

La Raza Lawyers of San Diego

Community Involvement

Ms. Dupuy is a Court Appointed Special Advocate for Voices for Children, a foundation which supports and assists foster children to ensure they have safe and permanent homes. She also volunteers for the Gina Eisenman Foundation, an organization devoted to the eradication of domestic violence.