Claire C. Weglarz

Photo of Claire C.  Weglarz
445 S. Figueroa
Suite 3200
Los Angeles, CA 90071-1651

Claire Weglarz is a first-chair trial attorney who represents entities in high-risk litigation primarily in the areas of products liability, environmental claims, and toxic torts including asbestos, talc, and various chemicals. She represents clients in a broad range of industries, including energy, defense, automotive, chemical, manufacturing, and consumer goods. Over the past ten years, she has taken ten trials to verdict throughout California in the counties of Los Angeles, San Francisco, Alameda, San Diego, and San Joaquin.  

Claire excels at effectively communicating complex issues to judges and juries to be both comprehensible and compelling. With a background in biology, Claire specializes in developing cutting-edge litigation strategies involving the advancement of technical, scientific, and medical defenses. As a registered patent and trademark attorney, she has a unique perspective and foresight into issues involving the design, manufacture, and intended use of products.

Claire prides herself on providing results-oriented legal services that are cost-effective and predictable. She keeps her clients informed of ongoing case developments and strategies, while also seeking to prevent future litigation.

Professional affiliations



“Asbestos Openings by a Plaintiff and Two Defense Lawyers,” Defense Asbestos Litigation Seminar, Orlando, Florida (June 7-9, 2017)

"Defense Exhibit 1: ;): Emoticons in Court,"  Trial Attorneys of America Annual Meeting, Chicago, Illinois (June 8-10, 2016)

"Social Media Discovery, Collection & Admissibility," Trial Attorneys of America Annual Meeting, Chicago, Illinois (June 12-13, 2014)

"Spoliation of Evidence: When to Cry Over Spilled Milk," Trial Attorneys of America Annual Meeting, Chicago, Illinois (June 12-14, 2013)

Articles and publications


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Practice areas


J.D., University of San Diego School of Law (2004)

B.S, Biology, Loyola Marymount University (2000)

Institute on International and Comparative Law, London, England (2002)

Bar admissions