Dan’s practice is focused on patent prosecution and Patent Trial and Appeal Board (PTAB) proceedings including IPRs and patent interferences. He has worked with a wide variety of technologies such as computers, software, networks (e.g., TCP/IP), cameras, liquid crystal displays, printers, television, radio, satellite communications, photolithography, optics (e.g., lenses, diffraction gratings, waveguides, and catadioptric optics), biochemistry (e.g., CRISPR-Cas9), chemistry (e.g., organic, organometallic, and inorganic), material science, pharmaceuticals, personal care products, and surgical devices. In the area of patent prosecution, Dan directs his efforts to conducting Examiner interviews. With respect to PTAB proceedings, Dan is knowledgeable in all aspects of IPRs (including petitioner and patent owner briefing, depositions, and motions practice), and he has many years of extensive experience with all aspects of patent interferences (including preliminary motions, declarations, depositions, discovery, oral argument, petitions, settlement, and Federal Circuit appellate practice), having worked on more than 20 interferences. Prior to embarking on his legal career, Dan was a network software engineer at Data General Corporation, and he is familiar with a wide variety of computer languages.