Seventh Circuit Affirms Broad Reading of CGL Policy’s “Radioactive Matter Exclusion” to Include EMF Radiation

On July 9, 2025, in Hammond Power Solutions Inc. v. National Union Fire Insurance Co., the Seventh Circuit Court of Appeals affirmed the district court’s decision granting summary judgment to the insurer and finding, under Wisconsin law, that an endorsement in a commercial general liability policy containing an exclusion applicable to “any form of radiation” applied to a claim arising out of alleged electromagnetic field (EMF) radiation….
By: Carlton Fields