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4.4 Names and Addresses - Patent Cooperation Treaty
§ 4.4 Names and Addresses
(a) Names of natural persons shall be indicated by the person's family name and given name(s), the family name being indicated before the given name(s).
(b) Names of legal entities shall be indicated by their full, official designations.
(c) Addresses shall be indicated in such a way as to satisfy the customary requirements for prompt postal delivery at the indicated address and, in any case, shall consist of all the relevant administrative units up to, and including, the house number, if any. Where the national law of the designated State does not require the indication of the house number, failure to indicate such number shall have no effect in that State. In order to allow rapid communication with the applicant, it is recommended to indicate any teleprinter address, telephone and facsimile machine numbers, or corresponding data for other like means of communication, of the applicant or, where applicable, the agent or the common representative.
(d) For each applicant, inventor, or agent, only one address may be indicated, except that, if no agent has been appointed to represent the applicant, or all of them if more than one, the applicant or, if there is more than one applicant, the common representative, may indicate, in addition to any other address given in the request, an address to which notifications shall be sent.
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