Jeffrey A. Siderius

Jeffrey A. Siderius

Jeffrey A. Siderius

Jeffrey A. Siderius is a partner who has handled coverage and defense matters at trial court and appellate levels in 18 state and federal jurisdictions, addressing a wide array of substantive issues, including:  asbestos, environmental, mass tort, construction injury, construction defect, additional insureds, high-level excess insurance, sexual molestation, automobile accident claims including such issues as permissive use, UM/UIM stacking, and primary-excess disputes, first-party property insurance, professional liability, products liability, EPLI and public entity liability.


  • Illinois State Bar
  • Colorado State Bar
  • United States District Court, Northern District of Illinois
  • United States District Court, Western District of Wisconsin
  • U.S. Circuit Court for the Seventh Circuit


  • University of Denver College of Law/Graduate School of Business and Public Management, Denver, CO, J.D., MBA
  • Hope College, Holland, MI, B.A. magna cum laude, Phi Beta Kappa

Admissions Pro Hac Vice

  • United States District Court for the District of Arizona
  • United States District Court for the Northern District of California
  • United States District Court for the Middle District of Florida
  • United States District Court for the Northern District of Indiana
  • United States District Court for the District of New Jersey
  • United States District Court for the District of New Hampshire
  • California Superior Court, San Francisco County, California
  • Florida District Court, Dade County, Miami, Florida
  • Indiana Superior Court, St. Joseph County, Indiana
  • Indiana Superior Court, Lake County, Indiana
  • Kenosha County Circuit Court, Kenosha, Wisconsin
  • Michigan District Court, Gratiot County, Michigan
  • Milwaukee County Circuit Court, Milwaukee, Wisconsin
  • Texas District Court, Harris County, Texas
  • Washington County Circuit Court, Port Washington, Wisconsin
  • Michigan Court of Appeals
  • Wisconsin Court of Appeals


EPLI Claims Handlingand CoveragIssues, paper presentedat American ConferencInstitutSeventh Annual Forum on Employment PracticeLiability InsuranceFebruary 2002. E-Commercand Insurance, Broker News, April 2000.

Insurance for Network Liabilities: A Current Approach, Mealey‘s Cyber TecLitigation Report, June 1999.

Insurance for Electronic Data Risks  An IdeWhose Time Has Come?  Mealey‘s TechnologInsurance and Litigation Report, March 1999.

Let the Games Begin: EnvironmentaInsurancCoveragein Wisconsin After Hilland WIPSCO, Environmental Claims Journal, Spring 1998.

The Casualty Claim File: Protection and Disclosure, CPCU Journal, September 1993.


Presentation at CLE training session for EMCAS entitled, “Construction Defect Triggers of Coverage,” Atlanta, Georgia, March 2-4, 2016.

“Using Appellate Counsel Effectively,” CLE/CE training session at XL Catlin, Exton, PA, January 28, 2016.