Patents Act, 1970
146. Power of Controller to call for information from
patentees
(1) The Controller may, at any time during the continuance of
the patent, by notice in writing, require a patentee or a licensee, exclusive
or otherwise, to furnish to him within two months from the date of such notice
or within such further time as the Controller may allow, such information or
such periodical statements as to the extent to which the patented invention has
been commercially worked in India as may be specified in the notice.
(2) Without prejudice to the provisions of sub-section (1),
every patentee and every licensee (whether exclusive or otherwise) shall
furnish in such manner and form and at such intervals (not being less than six
months) as may be prescribed statements as to the extent to which the patented
invention has been worked on a commercial scale in India.
(3) The Controller may publish the information received by him
under sub-section (1) or sub-section (2) in such manner as may be prescribed.