Business method patents are back. Software is clearly patentable.<p><i>Article QQ.E.1: {Patentable Subject matter}</i><p><i>1.  Subject  to  paragraphs  3  and  4,  each  Party  shall  make  patents  available  for  any invention,  whether  a  product  or  process,  in  all  fields  of  technology,  provided  that  the  invention is new, involves an inventive step, and is capable of industrial application.</i>