Organic Process Patents New Page added under Obviousness: Obviousness of Chemical Processes A “method of making” a compound may be non-obvious if the starting material or final product are themselves non-obvious. In re Ohciai has been good law for 20+ years. Share: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to print (Opens in new window) Print