law: Patents Act, 1970
  33. Anticipation by use and publication after provisional
  
  specification
  (1) Where a complete specification is filed or proceeded with in
  
  pursuance of an application which was accompanied by a provisional
  
  specification or where a complete specification filed along with an application
  
  is treated by virtue of a direction under sub-section (3) of section 9 as a
  
  provisional specification, then, notwithstanding anything contained in this
  
  Act, the Controller shall not refuse to grant the patent, and the patent shall
  
  not be revoked or invalidated, by reason only that any matter described in the
  
  provisional specification or in the specification treated as aforesaid as a
  
  provisional specification was used in India or published in India or elsewhere
  
  at any time after the date of the filing of that specification.
  (2) Where a complete specification is filed in pursuance of a
  
  convention application, then, notwithstanding anything contained in this Act,
  
  the Controller shall not refuse to grant the 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.