Registration of assignments, transmissions, etc.— (1) Where any person becomes entitledby assignment, transmission or operation of law to a patent or to a share in a patent orbecomes entitled as a mortgagee, licensee or otherwise to any other interest in a patent,he shall apply in writing in the prescribed manner to the Controller for the […]

Assignments, etc., not to be valid unless in writing and duly executed An assignmentof a patent or of a share in a patent, a mortgage, licence or the creation of any otherinterest in a patent shall not be valid unless the same were in writing and the agreementbetween the parties concerned is reduced to the

Register of patents and particulars to be entered therein —(1) There shall be kept at thepatent office a register of patents, wherein shall be entered—(a) the names and addresses of grantees of patents;(b) notifications of assignments, extension, and revocations of patents; and(c) particulars of such other matters affecting the validity or proprietorship of patentsas may

Revocation of patent in public interest Where the Central Government is of opinion thata patent or the mode in which it is exercised is mischievous to the State or generallyprejudicial to the public, it may, after giving the patentee an opportunity to be heard,make a declaration to that effect in the Official Gazette and thereupon

Revocation of patent or amendment of complete specification on directions from Government in cases relating to atomic energy — (1) Where at any time after grant of apatent, the Central Government is satisfied that a patent is for an invention relating toatomic energy for which no patent can be granted under sub-section (1) of section

Revocation of patents —(1) Subject to the provisions contained in thisAct, a patent, whether granted before or after the commencement of this Act, may, berevoked on a petition of any person interested or of the Central Government by theAppellate Board or on a counter-claim in a suit for infringement of the patent by the HighCourt

Surrender of patents (1) A patentee may, at any time by giving notice in the prescribedmanner to the Controller, offer to surrender his patent.(2) Where such an offer is made, the Controller shall publish the offer in the prescribedmanner, and also notify every person other than the patentee whose name appears in theregister as having