"The BPAI has again raised the issue of Post-Bilski patentable subject matter sua sponte. Like most claims challenged under Section101, Atkins claims also have serious nonobvousness and indefiniteness problems. Atkins claims a method of "converting a unidirectional domain name to a bidirectional domain name." In reviewing the claim under Bilski, the BPAI noted that the claims do not "recite any machine or apparatus or call for transforming an article into a different state or thing. A domain name is simply a series of characters representing the address of a resource, such as a server, on the World Wide Web. All of the steps are data manipulation steps." "