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The Federal Circuit heard oral argument on November 8, 2024, grappling with the issue of what patent claims may properly be listed in the Orange Book. In late 2023, Teva filed a complaint for patent infringement in response to Amneal’s ANDA filing seeking to make and sell a generic version of ProAir HFA (albuterol sulfate)

On Tuesday, May 23, 2023, Janssen and Amgen settled their case regarding Amgen’s proposed biosimilar to Stelara in Delaware district court.[1]

Stelara, also known as ustekinumab, is an anti-IL-12/IL-23 antibody drug used to treat plaque psoriasis, psoriatic arthritis, Crohn’s disease, and ulcerative colitis. Amgen has created a biosimilar of Stelara called ABP 654, which