Jenner & Block

Jan A. Larson is a member of the firm’s Insurance Recovery and Counseling Practice.  Ms. Larson has broad experience representing corporate policyholders nationwide in complex litigation with their insurers involving a variety of insurance claims. Ms. Larson also counsels policyholders with respect to insurance coverage placement and renewals and has completed numerous in-depth portfolio reviews.  She successfully has recovered millions of dollars in insurance proceeds for her clients and has been recognized as a Washington, DC Super Lawyers “Rising Star” in Insurance Coverage every year since 2013.



A selection of Ms. Larson’s recent representative matters include the following:

  • Negotiating a $400 million insurance settlement on behalf of a nuclear energy industry client that had experienced an accidental outage and associated business interruption and property damage losses.
  • Securing a significant appellate decision from the Third Circuit that vacated the US District Court for the Eastern District of Pennsylvania’s unfavorable interpretation of the term “the insured” in an Employer’s Liability Exclusion, in connection with a claim against the insured brought by the employee of a different insured.
  • Obtaining a notable ruling of first impression under Massachusetts law, rejecting the application of an insurer’s Absolute Pollution Exclusion to Chinese drywall claims. Publications such as Law360 and Mealey’s later named the ruling one of the year’s most significant pollution exclusion decisions.
  • Providing in-depth cyber insurance analysis and advice to a large health-care industry client who had experienced a significant data breach, as a member of a multidisciplinary firm team.
  • Counseling various clients in several “sharing economy” industries on a diverse array of cutting-edge insurance issues, including in-depth analyses of these clients’ insurance portfolios and associated recommendations.

Ms. Larson also has an active pro bono practice.  For example, she currently is:

  • Advising an arts-related nonprofit on placing insurance coverage as part of its transition to a 501(c)(3) organization.
  • Assisting a local community housing provider with a significant water damage-related property loss.

Over the past several years, Ms. Larson has been instrumental in launching and leading Jenner & Block's Insurance Law Update, a monthly publication of the firm’s Insurance Recovery and Counseling Practice, as well as contributing insurance-related pieces to the Litigation Department’s Spotlight publication.  She is also a frequent author and speaker on insurance trends in publications and at conferences nationwide.  In addition, Ms. Larson has an active leadership role in several bar associations, including the American Bar Association’s Insurance Coverage Litigation Committee where she serves as Co-Chair of the Women in Insurance Network Sub-Committee, and the Women’s Bar Association of the District of Columbia where she serves as Co-Chair of the Insurance Law Forum.

Ms. Larson is admitted to practice in the Commonwealth of Virginia and in the District of Columbia. She received her A.B. in 2003 from Bowdoin College and her J.D. in 2008 from The George Washington University Law School, where she served as president of both the Mock Trial Board and the Law Association for Women.