Shireen is a partner and shareholder at Clarkson, and co-leads the firm’s class action litigation team. With over 15 years of experience as a civil litigator in both California state and federal courts, Shireen is a fierce and relentless advocate of consumer rights. Her specialty lies in representing consumers and other individuals in class action lawsuits and other multi-party litigation involving false labeling, deceptive advertising, unfair business practices, and defective products. She excels in cases in a variety of industries, including but not limited to the food industry, cosmetics, skincare, telecommunications, and pharmaceuticals.
Shireen has earned numerous recognitions as lead and co-lead counsel in various certified class action cases and other multi-party matters resulting in millions of dollars for consumers seeking redress, as well as policy changes that better serve the public. In addition, she holds an impressive record of representing public entities, private companies, and individuals in general business litigation.
Shireen is an honorary board member of the Los Angeles Trial Lawyers Charities and strongly believes in giving back to one’s community in any way one can. She heads Clarkson’s Community Service Committee, which organizes volunteer efforts aimed at assisting under-privileged, under-served individuals and communities. Shireen spends much of her free time with her husband and young daughter. She is also an avid tennis player, and enjoys cooking, traveling, and beach days.
Lead class counsel in a California certified class action lawsuit against the world’s second largest food and beverage company for false advertising and mislabeling of food product as “natural.”
California class action lawsuit against a well-known celebrity manufacturer of hair products for defective product design and manufacture, false advertising, and unfair business practices.
Co-lead counsel in a California certified class action lawsuit on behalf of consumers against a major broadcast satellite provider for unlawful termination fees.
Co-lead counsel in California certified class action lawsuit against major pharmaceutical manufacturer for false advertising of the anti-depressant, Paxil.
Co-lead counsel in California certified class action lawsuit battling Labor Code violations against employer.
Mesh/Sling Implant Multi-District Litigation – represented hundreds of women who underwent the vaginal mesh and/or sling implant surgery and experienced complications and injuries as a result.
In re: Actos Multi-District Litigation – involved in representing hundreds of patients throughout the country who were injured by use of the Actos medication, including those diagnosed with bladder cancer and severe cardiac events.
In re: Pradaxa Multi-District Litigation – litigated on behalf of hundreds of patients who experienced major internal bleeding events through use of the drug, Pradaxa.
In re: Nuvaring Multi-District Litigation – represented hundreds of clients throughout the country who were implanted with the popular birth control device, Nuvaring, and experienced blood clots, heart attacks and strokes as a result.
J.D., 2004, University of California, Hastings College of the Law
B.A., 2000, University of California, Santa Barbara
Bar & Court Admissions
State Bar of California
United States District Court for the Central District of California
United States District Court for the Northern District of California
United States District Court for the Southern District of California
United States Court of Appeals for the Ninth Circuit
Los Angeles Trial Lawyers Charity, Honorary Board, 2015-2019
Los Angeles County Bar Association
Consumer Attorneys of California, Board of Governors, Emeritus
American Association of Justice