REGISTRATION OF PATENTS RULES - CHAPTER 42A REGISTRATION OF PATENTS RULES - LONG TITLE (Ceased to be in force) VerDate:30/06/1997 The Registration of Patents Rules (Cap 42 sub. leg. A) were repealed on 1 June 2002 by the Intellectual Property (Miscellaneous Amendments) Ordinance 2001 (2 of 2001).