Avery Borreliz is an associate in the Boston office of Latham & Watkins and a member of the firm’s Litigation & Trial Department. Ms. Borreliz represents clients in both commercial litigation and enforcement matters, including class action defense, high-stakes business-to-business disputes, and government investigations.

Ms. Borreliz represents organizations and individuals across a range of industries and in both state and federal venues, working in particular with clients in the healthcare and life sciences industry. 

In addition, Ms. Borreliz maintains an active pro bono practice, advocating on behalf of juveniles sentenced to life without parole, disabled veterans, and refugees.

Prior to law school, Ms. Borreliz worked at Harvard Medical School conducting large-scale epidemiological and mental health research. Ms. Borreliz has significant work experience in the public policy, research, and non-profit sectors.

Ms. Borreliz’ representative matters include advising:

  • Lands’ End in its defense against a consolidated class action, filed in federal court in Wisconsin, brought on behalf of Delta employees alleging uniforms made by Lands’ End caused personal injury and property damage
  • Endo International in opioid cost recovery litigation, including:
    • MDL in Ohio federal district court with plaintiffs alleging deceptive marketing and oversupply of opioids leading to current crisis of opioid addiction and resulting costs to municipalities
    • 14 Massachusetts state court cases as lead counsel, coordinated for pre-trial purposes before the Superior Court’s Business Litigation Session, including cases by Massachusetts’ two largest cities as bellwether cases seeking damages for myriad costs associated with opioid addiction
  • Caesars Entertainment and its subsidiaries in connection with COVID-19 related matters, including developing company protocols and communications for Caesars’ reopening after closing in March 2020 due to COVID-19
  • Juul Labs in connection with the development of the company’s new Code of Conduct and Global Compliance Policies
  • Philip Morris USA in tobacco litigation defense, including personal injury and/or wrongful death claims by individual smokers

Bar Qualification

  • Massachusetts


  • JD, Harvard Law School, 2019
  • MPhil in Criminology, University of Cambridge, 2013
    with distinction, Proxime accesserunt for the Manuel Lopez-Rey Graduate Prize
  • BA in Law and Society, American University, 2010
    magna cum laude

Languages Spoken

  • English