All communications are under the supervision of the director of international section (Japanese Patent Attorney), for protecting all communications by Japanese civil procedure codes of 197 and 220 in Japan. In US discovery system (FRCP26), these communications are protected as the matter of comity citing the above Japanese civil procedure codes (See Eisai Ltd. v. Dr. Reddy's Laboratories, Inc., S.D.N.Y. Dec. 21, 2005, VLT Corporation v. Unitrode Corporation, 194 F.R.D.8, D. Mass. 2000).
If the communication includes US matter, the director of international section is further under the supervision of US legal counsel for protecting the communications by FRE501 and applicable common laws.