Mealey's (March 10, 2021, 11:32 AM EST) -- ALEXANDRIA, Va. — A method for growing plants in environments that are at least “partly” conditioned is not entitled to patent protection because the patent “fails to describe what the control mechanisms are for some of these parameters or how to they are to be controlled,” Syngenta Crop Protection AG asserts in a March 1 petition for post-grant review (PGR) filed with the Patent Trial and Appeal Board....