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: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Print (Opens in new window) Print