Janine Panchok-Berry


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Janine’s practice focuses on complex litigation and transactions involving insurance and environmental law. Janine represents clients in state and federal courts focusing on complex commercial litigation involving securities fraud and insurance and reinsurance coverage.

Prior to joining O’Melveny, Janine completed a clerkship with Chief Judge Jonathan Lippman of the New York Court of Appeals, the highest court in New York.  Janine graduated from the University of California, Berkeley School of Law in 2014.  During law school, she worked for the Department of Justice, Environment and Natural Resources Division, and a non-profit environmental law firm.  She advised clients in disputes over water rights in California’s Central Valley and litigated cases brought pursuant to CERCLA, the Resource Conservation and Recovery Act, the Clean Air Act, and the Clean Water Act.



  • Spanish

Honors & Awards

  • Ranked as a Rising Star by The Legal 500 US for Insurance: Advice to Insurers (2021)


Bar Admissions

  • New Jersey
  • New York

Court Admissions

  • US District Court, Southern District of New York
  • US Court of Appeals, Sixth Circuit


  • University of California at Berkeley School, J.D., 2014: Finalist, Skadden's Halloum Business Negotiation Competition held in partnership with Haas School of Business
  • New York University, B.A., Political Science, 2005

Professional Activities


  • Chief Judge Jonathan Lippman, New York Court of Appeals


  • U.S. Department of Justice, Environment and Natural Resources Division
  • Earthjustice
  • East Bay Community Law Center


  • “Current Trends in Application of the Absolute Pollution Exclusion in CGL Policies: Cross-Border Comparison Between New York and Canadian Law,” University of Oregon School of Law Journal of Environmental Law & Litigation (Spring 2019)
  • A Classic Case of Regulatory Overreach,” Crain's New York Business (October 16, 2018 co-authored with Tancred Schiavoni and Gary Svirsky)  


  • “Recent Trends and Developments in Allocation Issues – Which Policies Apply and in What Order,” Perrin Insurance Coverage & Allocation Issues (May 30, 2019)


  • “Postponed Events, Cancelled Trips, Disrupted Business – Insurance and Coronavirus Collide,” New York City Bar Association (April 14, 2020)
  • Defended excess insurer in large coverage dispute involving environmental remediation for oil and gas spills impacting drinking water supplies.
  • Counseled insurer on liabilities arising out of environmental claims brought against the policyholder’s bankruptcy estate. 
  • Represented investors in affirmative litigation against general partner and investment adviser for breach of fiduciary duty to investors. 
  • Defended excess insurer in coverage dispute involving toxic tort claims.
  • Counseled clients on the environmental liabilities of hydraulic fracturing re-injection wells.