O

oath R 119, R 120(2)

observations by third parties A 115; R 114

Official Journal of the EPO A 129(b)

languages A 14(7)

publication in the ~ A 97(3); R 33, R 152

official language

is not the language of the proceedings A 67(3)

of a Contracting State that is not an official language of the EPO PCen III

official languages

of the EPO A 14(1)

of the Contracting States A 14(4)

- see language of the proceedings, language(s), translation

opinion see technical opinion

opponent A 99(3); R 76(2)(a)

death or legal incapacity of an ~ R 84(2)

opposition A 99

deficiencies in the notice of ~ R 77(1),(2)

entries in the Register of European Patents R 143(1)(q),(r)

examination A 101; R 79-82

grounds for ~ A 100

lapse of the patent R 75

notice of ~ R 76

notice of intervention of the assumed infringer R 89

publication of the time limit for opposing the EP R 73

procedure where the proprietor of the patent is not entitled R 78

rejection A 101, A 111(1); R 143(1)(r)

rejection of the notice of ~ as inadmissible R 77

several oppositions R 79(2)

surrender of the patent R 75

time limit for filing notice of ~ A 99(1)

Opposition Divisions A 19, A 101

allocation of duties R 11(1)

appeal lying from decisions of the ~ A 21(4), A 106(1),(2)

as departments charged with the procedure A 15(d)

composition A 19(2)

decisions A 101, A 116(4); R 77(3), R 82(4)

organisation R 9(1)

responsibilities A 19(1), A 104(1); R 11

opposition fee A 99(1); R 6(3); RFees 2.10, RFees 14

opposition procedure A 99-105; R 75-89

opposition proceedings

communications R 77(2),(3), R 79, R 81, R 82, R 113

continuation of the ~ by the EPO of its own motion R 84

costs A 104; R 11, R 88, R 97

documents R 86

interruption R 142

intervention in ~ A 105(1); R 79(4), R 89

limitation proceedings A 105a(2)

new specification of the European patent R 87

oral proceedings A 116(1),(4)

parties A 99(3)

proceedings against the proprietor during ~ R 78

representatives in ~ R 84

requests for documents R 83

revocation proceedings A 105a

oral proceedings A 116

costs A 104(1)

evidence R 115-124

language of proceedings R 4

minutes R 124

summons R 115

suspension R 78

oral proceedings and taking of evidence R 115-124

ordre public

inventions contrary to ~ A 53(a)

matter contrary to ~ in an EP appl. R 48(1)(a)

Organisation see European Patent Organisation

organs of the EPOrg see European Patent Organisation