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The Patent Cooperation Treaty (PCT) facilitates the applicant in filing and seeking patent protection in the Contracting States. The applicant is required to be a national or a resident of the PCT Contracting State to avail this facility.
The application filed under PCT by the applicant from contracting state is called as a PCT International Application. The deadline for filing the PCT International Application is 12 months from the earliest priority date. Such an application can be filed with the Receiving Office (RO), which is the national Patent Office of the Contracting State of which the applicant is a national/resident or directly with the International Bureau (IB) (in case national security/defense provision permits).
The advantages of filing a PCT International Application through the PCT System are as follows:
The PCT international phase is followed by the national phase. The applicant can enter the national phase by filing a PCT national phase application with the national Patent Offices, which were designated in the PCT International Application while filing the International Phase.
The national phase can be entered within 30 or 31 months (depending on the national statute), from the earliest filing date.
Yes, the Indian Patent Office (Delhi Branch) acts as a Receiving Office.
The Receiving Office, India (RO/IN) accepts International Applications in English and Hindi language.
Other acceptable languages by various Receiving Offices is Arabic, Chinese, English, French, German, Japanese, Korean, Portuguese, Russian and Spanish.
While filing a PCT International Application, the applicant has to designate a competent International Searching Authority (ISA) for conducting a search on the invention disclosed in the International Application. Based on the search conducted, the ISA provides an International Search Report (ISR) and a Written Opinion (WO).
The applicant has to file a Demand (with or without amendment in the specification) with the competent International Preliminary Examining Authority (IPEA) for the international preliminary examination of the PCT International Application. The IPEA conducts a search and provides a patentability analysis, as International Preliminary Examination Report (IPER) along with a Written Opinion.
The International Application filed with the IB or RO publishes within 18 months from the earliest priority date.
Yes, rights and interests in the PCT International Application can be assigned by filing a request with the IB. Upon recordal of details, IB issues a notice in this regard. It is recommended to provide documentary evidence in this regard, however the same is not mandatory as per PCT Regulations.
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