37 C.F.R. § 1.56 MPEP 2001.01 MPEP 2001.01 MPEP 2001.01 37 C.F.R. § 1.56 MPEP 2001.05 MPEP 2001.01 37 C.F.R. § 1.56 MPEP 2001.05 37 C.F.R. § 1.56 ethical obligation MPEP 2001.05 MPEP 2001.01 MPEP 2001.05 MPEP 2001.05 MPEP 2001.01 http://www.uspto.gov/web/offices/pac/mpep/s2001.html http://www.uspto.gov/web/offices/pac/mpep/s2001.html http://www.uspto.gov/web/offices/pac/mpep/s2001.html http://www.uspto.gov/web/offices/pac/mpep/s2001.html ethical obligation MPEP 2001.01 MPEP 2001.01 MPEP 2001.05 MPEP 2001.05 http://www.uspto.gov/web/offices/pac/mpep/s2001.html MPEP 2001.04 MPEP 2001.05