Federal Court upholds patent validity and issues injunction and delivery up order against biosimilar By William Chalmers, Christopher A. Guerreiro & Kristin Wall on May 25, 2025 The Federal Court (FC) has upheld the validity of a patent concerning a biologic drug used to treat patients with paroxysmal nocturnal hemoglobinuria (PNH), a rare blood disorder, in an infringement action under section 6 of…