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

On December 2, 2020, Boehringer Ingelheim Pharmaceuticals, Inc. (“Boehringer Ingelheim”) submitted a 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 Citizen Petition is available on regulations.gov under docket number: FDA-2020-P-2247.  Boehringer Ingelheim seeks an interpretation of “strength” to