The Patent Cooperation Treaty, or PCT, tends to standardize the procedure for filing a patent application and makes it possible to perform one single filing (international application) covering a certain number of States.In practice, the PCT procedure is a " delaying" procedure, because it allows to delay, for a defined maximum time which extends longer than the twelve months laid down by the Paris Convention, the moment when it is necessary to decide where in actual fact to make the patent title valid. This procedure cannot always be followed, because, in technical fields where infringement occurs within a short time, the PCT procedure - which as we said delays the grant of the patent - is not advisable.
This Treaty enables any person or juridical body in the States belonging to the Convention to file an international patent application.
The Contracting States are:
It is possible to combine the PCT system with the European Patent system as the two are compatible with each other. It is also possible to designate "regional patents", that is, valid in a group of States. At present the Regional Organizations are:
The process for obtaining a patent title by PCT procedure is divided into two steps. The first step, or international step, consists in:
It is possible (whether it is appropriate has to be decided case by case), within the maximum deadline (that is, of the two deadlines, the one which expires later) of three months from the issuing of the international search report or 22 months from the priority date (or the filing date if no priority was claimed), to request that an International Preliminary Examination Report (IPER) be issued. This Report gives a non-binding indication as to whether the invention meets the requirements of: novelty, inventive activity and industrial applicability. If the IPER is requested, the previous statement, non-binding and issued with the international search report, may be challenged and, following an exchange of opinions with the Examiner, it is also possible to modify the text to clarify the inventive features of the invention; in this way, a different Report may be issued, possibly more favourable to the Applicant who has had the opportunity to explain his position better.
At the end of the international step, the second step begins. In this step the applicant must pay the prescribed fees and provide the translations required by the individual Contracting States (or Regional Organizations) as chosen and designated. The patent must then possibly undergo an examination of merit in the individual States (or Regional Organizations) where this is required. Finally, in the individual States (or Regional Organizations) designated, the patent certificate may be granted or refused. Although the Reports (IPRP and/or IPER) issued by the appropriate body are not binding, they can influence the subsequent examination of merit which will be carried out in the various States once the national phase has been started: if the examination is positive, it will lead to the patent being granted more quickly, and will cost less.
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