Ranjan A. Lahiri

Ranjan focuses his practice on the defense of personal injury, toxic exposure, and premises liability claims, construction defect and payment claims, commercial and residential landlord-tenant disputes, and general business litigation. He also handles cybersecurity and data privacy matters as a member of the Cybersecurity and Data Privacy Team, including data breach and pixel class actions, and claims arising from CIPA, CPRA, and other state and federal privacy statutes.

Ranjan provides service to a wide range of clients, from Fortune 500 companies to locally owned and operated businesses and strives to help protect his clients against adverse exposure and to investigate and resolve claims in the most effective manner possible. He has handled complex multi-party litigation throughout California and served as national monitoring counsel for toxic tort claims on behalf of several national insurance companies. He also counsels clients on general business matters and risk management, including contract and employment matters, and provides counsel on trademark registration and enforcement. Ranjan has appeared in state and federal court, has submitted briefings and oral arguments before the California Court of Appeals, and has achieved multiple favorable results for his clients, both pre-trial and at trial.

He is a Rotarian and a member of the La Jolla Golden Triangle Rotary Club. Ranjan is also the Membership Chair for Rotary District 5340, which covers San Diego and Imperial counties, and is responsible for promoting and supporting membership growth for the District’s 60+ clubs

Newsroom

News

•California Adopts New Rules for Initial Disclosure of Information in Discovery
Article, 10.3.23
•Sunsetting of Emergency Rule to Extend Time to Bring a Civil Action To Trials Spurs Confusion
Coronavirus Resources, 4.11.22

Publications

•California's Survival Damages Sunset: The Countdown Poised to Reshape Wrongful Death Litigation in 2026
Case Updates, 11.26.25
•Online Checkout: From “Buy Now” to “Bind Now”? Appellate Panel Demands Clearer Consent
Case Updates, 9.12.25
•California Appellate Court Clarifies Limits of CCP 998 in Post-Judgment Cost Dispute
Case Updates, 2.19.25
•Supreme Court Provides Guidance on How to Challenge the Use of Statistical Damages Extrapolations
Publications, 8.29.14
•Litigation Watch: Benzene - New Study Focuses on Benzene Biomarkers - Will Results Impact Litigation?
Publications, 10.1.07
•Co-Author, Avoiding Conflicts Under Wrap Policies, DRI: For The Defense, June 2014
•Author, Understanding the Federal Medical Care Recovery Act, San Diego Defense Lawyer, Spring 2010
•Co-Author, New Study Focuses on Benzene Biomarkers: Will Results Impact Litigation, Harris Martin Litigation Watch: Benzene, October 2007
•Contributing Author, Scenes from the Courtroom: Strategies for the Successful Use of Technology in the Courtroom, presented at West Coast Casualty’s Construction Defect Seminar, May 12, 2005

Community Activities

•La Jolla Golden Triangle Rotary Club, Active Member
•Rotary District 5340, Membership Chair

In the News

•California's Survival Damages Sunset: The Countdown Poised to Reshape Wrongful Death Litigation in 2026
•Online Checkout: From “Buy Now” to “Bind Now”? Appellate Panel Demands Clearer Consent
•California Appellate Court Clarifies Limits of CCP 998 in Post-Judgment Cost Dispute
•California Adopts New Rules for Initial Disclosure of Information in Discovery

Honors & Recognitions

•Selected as one of the Best Lawyers in America for Litigation - Construction in San Diego, CA (2025 - 2026)
•Professor Robert and Dolores Simmons Award for Excellence in Environmental Law Practice, Outstanding Environmental Clinic Intern (2004)
•San Diego Law Review: Associate Editor (2002-2003)
•Judicial Extern, Hon. Ruben B. Brooks of the U.S. District Court, Southern District of California (2002)
•Wiley W. Manuel Award for Pro Bono Legal Services (1999-2000)