Power of Controller to call for information from patentees
Section 146 of the Patents Act, 1970 deals with power of Controller to call for information from patentees. 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 per The Act came into force on 01 Apr 1978.
(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.
Section 146, The Patents Act, 1970 (Act 39 of 1970).
Cross-references
Extracted from the operative text of the enactments themselves. Every destination below exists in our corpus.
Referred to by 1
Made under this section, and citing it
1 instrument names this provision in its title or its text without being made under it.
Questions about Section 146
What does Section 146 of the Patents Act deal with?
Section 146 of the Patents Act is headed "Power of Controller to call for information from patentees". 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 per
How do I find court cases under Section 146 of the Patents Act?
In judgments and charge sheets this section is written several ways, and each form finds a different set of orders. These search the full text of every order eCourtsIndia holds, best matches first: Patents Act 146, section 146 Patents Act, section 146 of the Patents Act. Each opens the full list of orders on eCourtsIndia, where it can be narrowed by court, year and outcome.
What should I read with Section 146 of the Patents Act, and has it changed?
1 other provision in this corpus refers back to it. One instrument names it without being made under it, most recently Patents Amendment Rules 2020 (2020).
When did Section 146 of the Patents Act come into force?
Section 146 of the Patents Act, cited as Patents Act 146, came into force on 01 Apr 1978, having been enacted on 19 Sep 1970. It is in force as at the date shown on this page.
Other sections of this Act
Source and method. Compiled from the enactments of Parliament and of the State legislatures as published on India Code, and republished together with commentary and other original matter under section 52(1)(q)(ii) of the Copyright Act, 1957. Structured, cross-referenced and maintained by eCourtsIndia. Text as in force on 14 Oct 2026. This page is not a substitute for legal advice.