Patents Act, 1970

Supplementary provisions as to amendment of application or specification.

59.[(1) No amendment of an application for a patent or a complete specification or any document related thereto shall be made except by way of disclaimer, correction or explanation, and no amendment thereof shall be allowed, except for the purpose of incorporation of actual fact, and no amendment of a complete specification shall be allowed, the effect of which would be that the specification as amended would claim or describe matter not in substance disclosed or shown in the specification before the amendment, or that any claim of the specification as amended would not fall wholly within the scope of a claim of the specification before the amendment.]

[(2)Where after the date of grant of patent any amendment of the specification or any other documents related thereto is allowed by the Controller or by [***] the High Court, as the case may be,-

(a)	-	the amendment shall for all purposes be deemed to form part of the speci- fication along with other documents related thereto;
(b)	-	the fact that the specification or any other documents related thereto has been amended shall be published as expeditiously as possible; and
.... To read the full section download the app from Google Play store Latest Job Openings View all Featured 28 March 2026 CA Final Ashok Amol & Associates New Delhi CA Final View Details Featured ARTICLESHIP 19 March 2026 Article Assistant Gupta Sachdeva & Co. Chartered Accountants New Delhi CA Final View Details Featured 28 March 2026 Accountant Ashok Amol & Associates New Delhi B.Com View Details Featured 13 April 2026 GST CONSULTANCY Abhishek G Agrawal & Co. Korba CA Final View Details Featured 29 April 2026 Manager- Finance and Compliance Naveen Fintech Pvt Ltd Kolkata CA Inter View Details Featured 14 April 2026 GST CONSULTANT Abhishek G Agrawal & Co. Korba CA Final View Details Share  Facebook  Twitter  Linkedin  Reddit  Email  Whatsapp  Gmail  Pocket  Print  Pinterest  PDF  Translate Whatsapp Groups GST Income Tax CA Final CA Inter CAclubindia Login at CAclubindia CAclubindia India's largest network for finance professionals User Name Password Remember Me Forgot Password ? Alternatively, you can log in using: Login with Google Don't have an account? Register Now click here to register