Patent of Addition

[@Pankajrana8]

Great video sir

[@RonnieGeorge77]

Thank you!

[@HemalathaChintagunti]

Sir section 54 of sub section 4 is "the patent addition shall not be granted before grant of patent for the main invetion" But you mention 54-1

[@c.laltlanzuala]

Is there any application fee for filing patent of addition