Section 20(2) and 20(3) The best online course to crack the Patent Agent Exam › Forums › Introduction to Patent Law Course › Section 20(2) and 20(3) This topic has 1 reply, 2 voices, and was last updated 5 years, 1 month ago by Roshan John. Viewing 1 reply thread Author Posts August 17, 2018 at 11:19 am #1526 tarun krParticipant Please provide explanation about Section 20(2) and 20(3) with example August 17, 2018 at 2:28 pm #1529 Roshan JohnModerator Please watch the lecture on Orders regarding substitution of applicants, @ 08:50 onwards. Please let us know if you still have doubts. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In