Patents Act, 1970

Revocation of patents.

64. (1) Subject to the provisions contained in this Act, a patent, whether granted before or after the commencement of this Act, may [be revoked on a petition of any person interested or of the Central Government [***] or on a counter-claim in a suit for infringement of the patent by the High Court]on any of the following grounds, that is to say-

(a)	-	that the invention, so far as claimed in any claim of the complete specification, was claimed in a valid claim of earlier priority date contained in the complete specification of another patent granted in India;
(b)	-	that the patent was granted on the application of a person not entitled under the provisions of this Act to apply therefor;
	-	[***]
(c)	-	that the patent was obtained wrongfully in contravention of the rights of the petitioner or any perso .... To read the full section download the app from Google Play store Latest Job Openings View all Featured 14 April 2026 GST CONSULTANT 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 13 April 2026 GST CONSULTANCY Abhishek G Agrawal & Co. Korba 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 28 March 2026 CA Final Ashok Amol & Associates New Delhi 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