HIV Litigation Attorneys

Speaker Bio

Ms. Brereton focuses her practice on litigation, including product liability, toxic tort, business litigation, and land use litigation. In May 2018, with HIV Litigation Attorneys (HLA), Ms. Brereton filed the first lawsuits in the country against Gilead Sciences, Inc. related to its TDF based HIV medications.  These lawsuits allege personal injury claims as well as a CA consumer class action.  In Lujano et al. v Gilead Sciences, Inc., HLA defeated Gilead's demurrer on all but one cause of action in February 2019 and defeated Gilead's claims of preemption.

Ms. Brereton has extensive experience representing individuals, Fortune 500 companies and nonprofit corporations in federal court, state court, and arbitration. Ms. Brereton’s practice focuses on issues of public health, advocacy for people who have HIV and AIDS, affordable housing and transparency in government. Ms. Brereton also serves as in-house counsel for the global non-profit AIDS Healthcare Foundation. Ms. Brereton has a passion for fighting for justice and advocating for people who have been harmed by powerful corporate, institutional and societal players. Ms. Brereton previously worked as an attorney at Quinn Emmanuel Urquhart & Sullivan and at Eisner Jaffe.  Prior to law school, Ms. Brereton was a supervisor in the legal advocacy department of a battered women’s nonprofit organization.


  • California
  • U.S. District Court for the Central District of California
  • Federal Circuit Court of Appeals


  • UCLA School of law, J.D., 2008
  • Kalamazoo College, B.A., Political Science, 2001, cum laude