Mexichem v Honeywell [2020] EWCA Civ 473: Arrow Declarations – How broad can they be?
On 1 April 2020, the Court of Appeal, led by Floyd LJ, handed down judgment concerning the strike out of an Arrow declaration in litigation between Mexichem and Honeywell. Honeywell owns six patents that focus on the use of two refrigerants (‘ze’ and ‘yf’) in mobile air-conditioning systems (“MACs”), often used in cars, with a…