(a) his application to the Director General of the Organization in a sufficient number of
copies;
(b) a document proving payment to the Organization of the filing and publication fees;
(c) an unstamped, private power of attorney if the applicant is represented by an agent;
(d) a sealed package containing in duplicate
(i) a specification of the invention for which the application has been made, set out
clearly and completely so that a person having ordinary knowledge and skill in the art could
carry it out,
(ii) the drawings necessary or useful for the understanding of the invention,
(iii) the claim or claims defining the scope of the protection sought, which shall not go
beyond the contents of the specification referred to in subparagraph (i) above,
(iv) a descriptive abstract summarizing the contents of the specification, the claim or
claims referred to in subparagraph (iii) above and any drawings relevant to the abstract.
(2) Where the invention involves a microorganism or the use of a microorganism, a
receipt attesting the deposit of the microorganism, issued by a depositary institution or an
international depositary authority specified in the Implementing Regulations, shall in addition
be filed.
(3) The above documents shall be in one of the working languages of the Organization.
Article 15
Unity of Invention
The application shall be restricted to a single principal subject, with the details that
constitute it and the uses specified. It shall contain no restrictions, conditions or reservations.
It shall have a title that describes in a precise and succinct manner the purpose of the
invention.
Article 16
Claim of Priority
(1) Any person wishing to avail himself of the priority of an earlier application shall be
required to attach to his application for a patent or to send to the Organization at the latest six
months following the filing date of his application
(a) a written declaration stating the date and number of the earlier application, the
country in which it was filed and the name of the applicant;
(b) a certified true copy of the said earlier application;
(c) if he is not the person who filed the earlier application, a written authorization from
the applicant or his successors in title authorizing him to avail himself of the priority in
question.
(2) The applicant who, in respect of a single application, seeks to avail himself of two
or more rights of priority shall comply with the provisions mentioned above for each of them;
he shall also pay a fee for each priority right claimed and shall produce evidence of payment
of the fee within the six-month period mentioned in paragraph (1) above.