Section 137 – THE PATENTS ACT, 1970

Multiple priorities

—(1) Where two or more applications for patents in
respect of inventions have been made in one or more convention countries and those
inventions are so related as to constitute one invention, one application may be made by
any or all of the persons referred to in sub-section (1) of section 135 within twelve months
from the date on which the earlier or earliest of those applications was made, in respect
of the inventions disclosed in the specifications which accompanied the basic applications.
(2) The priority date of a claim of the complete specification, being a claim based on matters
disclosed in one or more of the basic applications, is the date on which that matter was
first so disclosed.
(3) For the purposes of this Act, a matter shall be deemed to have been disclosed in a basic
application for protection in a convention country if it was claimed or disclosed (otherwise
than by way of disclaimer or acknowledgement of a prior art) in that application, or any
documents submitted by the applicant for protection in support of and at the same time as
that application but no account shall be taken of any disclosure effected by any such
document unless a copy of the documents is filed at the patent office with the convention
application or within such period as may be prescribed after the filing of that application.

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