4. Appropriate office. -(1) The appropriate office of the Patent Office shall-
(i) For all the proceedings under the Act, other than those “[under sections 24A, 24B, 24C, 43, 44, 51, 52, 60, 65, 68, 69, 125, 153 and 154], be the Head Office of the Patent Office or the branch office, as the. case may be, within whose territorial limits-
(a) The applicant or first mentioned applicant in case of joint applicants for a patent normally resides or has his domicile or has a place of business or the place from where the invention actually originated; or
(b) If the applicant for a patent or party in a proceeding has no place of business or domicile in India, the address for service in India given by the applicant or party is situated, and,
(ii) For proceedings undersection24A,24B,24C,43,44,51,52,60,65,68,69, 125, 153 and 154 be the head office of the Patent Office.
(2) Notwithstanding anything contained in sub-rule (1), until branch offices are established in accordance with the provisions of sub-section (3) of section 74, the appropriate office for all proceedings under the Act shall be the head office of the Patent Office at Calcutta.
(3) The appropriate office decided in respect of any proceedings under the Act shall not ordinarily be changed.
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