On October 15, 2021, the U.S. Food and Drug Administration (“FDA”) approved Boehringer Ingelheim’s Cyltezo® (adalimumab-adbm), the first interchangeable biosimilar to AbbVie’s blockbuster immunosuppressant Humira® (adalimumab). We previously discussed Boehringer Ingelheim’s Citizen Petition requesting a change in the FDA’s interpretation of “strength” of biological products under the Biologics Price Competition and Innovation Act (“BPCIA”). The
