Sandoz has failed in its attempt to convince the US Supreme Court to review patent litigation with Amgen over its Enbrel (etanercept) biologic brand, blocking biosimilars from the market for a further eight years, until 2029.
Earlier this year, Sandoz had confirmed that it would be trying one last time to topple patents protecting Enbrel for a further eight years, filing a petition with the Supreme Court for certiorari review of an unfavorable appeals court decision that upheld the validity of two patents shielding the $5bn autoimmune diseases treatment