Rule 77
rule 17(2) (filing notice of opposition)
rule 17(3) (filing notice of opposition: request for extension of time)
rule 18(1) (counter-statement in opposition proceedings)
rule 19(4) (responding to preliminary indication)
rule 25(2) (opposition to amendment after publication)
rule 30(4) (opposition to amendment of regulations of collective and certification marks)
rule 32(3) (opposition to alteration of mark)
rule 35 (renewal of registration)
rule 36(2) (delayed renewal)
rule 37(1) (restoration of registration)
rule 38(3) (counter-statement for revocation on grounds of non-use)
rule 39(3) (counter-statement for revocation on grounds other than non-use)
rule 41(6) (counter-statement for invalidity)
rule 43(2) (setting aside cancellation of application or revocation or invalidation of registration)
rule 53(2) (opposition to removal of matter from register)
rule 55(1) (opposition to proposals for change of classification)
rule 77(4) (period for making a retrospective request to extend a flexible time period).