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 patent, and the patent shall not be revoked or invalidated, by reason only that any matter disclosed in any application for protection in a convention country upon which the convention application is founded was used in India or published in India or elsewhere at any time after the date of that application for protection.

34. No anticipation if circumstances are only as described in Sections 29,30,31 and 32.

Notwithstanding anything contained in this Act, the Controller shall not refuse to accept a complete specification for a patent or to grant a patent, and a patent shall not be revoked or invalidated by reason only of any circumstances which, by virtue of section 29 or section 30 or section 31 or section 32, do not constitute an anticipation of the invention claimed in the specification.

35. Secrecy direction relating to inventions relevant for defuses purposes.

(1) Where, in respect of an application made before or after the commencement of this Act for a patent, it appears to the Controller that the invention is one of a class notified to him by the Central Government as relevant for defence purposes, or, where otherwise the invention appears to him to be so relevant, he may give directions for prohibiting or restricting the publication of information with respect to the invention or the communication of such information to any person or class of persons specified in the directions.

(2) Where the Controller gives any such directions as are referred to in sub-section (1), he shall give notice of the application and of the directions to the Central Government, and the Central Government shall, upon receipt of such notice, consider whether the publication of the invention would be prejudicial to the defence of India, and if upon such consideration, it appears to it that the publication of the invention would not so prejudice, give notice to the Controller to that effect, who shall thereupon revoke the directions and notify the applicant accordingly.

(3) Without prejudice to the provisions contained in sub-section (1), where the Central Government is of opinion that an invention in respect of which the Controller has not given any directions under sub-section (1), is relevant for defence purposes, it may at any time before acceptance of the complete specification notify the Controller to that effect,and thereupon the provisions of that sub-section shall apply as if the invention were one of the class notified by the Central Government, and accordingly the Controller shall give notice to the Central Government of the directions issued by him.

36. Secrecy directions to be periodically reviewed.

(1) The question whether an invention in respect of which directions have been given under section 35 continues to be relevant for defence purposes shall be re-considered by the Central Government within nine months from the date of issue of such directions and thereafter at intervals not exceeding twelve months, and if, on such re-consideration it appears to the Central Government that the publication of the invention would no longer be prejudicial to the defence of India it shall forthwith give notice to the Controller accordingly and the Controller shall thereupon revoke the directions previously given by him.

(2) The result of every re-consideration under sub-section (1), shall be communicated to the applicant within such time and in such manner as may be prescribed.

37. Consequences of secrecy directions.