A provisional patent application is useful if the invention is in its infancy and changes and modifications are envisaged in the period following the filing of the provisional application.
Filing a provisional application with the Australian patent office establishes a “priority date” for the invention as described in the provisional specification. If the applicant wishes to obtain a patent, the applicant must file a complete application within 12 months of filing the provisional application. Filing the provisional application effectively gives the applicant a 12 month “option” on proceeding with patenting and enables development of a market-ready prototype.

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