Written by: Mark Terry Last week’s Board of Patent Appeals and Interferences (BPAI) decision of Ex Parte Lim , which affirmed a Patent Examiner’s 35 U.S.C. 103 obviousness rejection, teaches an important lesson – obviousness rejections must address both references – not just one. As a Miami Patent Attorney that reads BPAI decisions frequently, I’m surprised that any practitioners even try this argument anymore. The case of Ex Parte Lim involved a mobile communications network, such as those used by cell phone providers. The Examiner issued a 35 U.S.C. 103 obviousness rejection based on two references – Lipsanen and Siren. The Appellant argued that Lipsanen did