WIPO is a wing of the United Nations for developing international intellectual property system. The PCT patent search system facilitates filing of patent applications under a single umbrella and provides for simplified procedure for the search and examination of such applications. This allows a resident or national of a PCT member state to obtain the effect of patent filings in any or all of the PCT countries and to defer the bulk of filing costs usually due on filing.For more detail about patent search you can through this site-
The process of obtaining the grant of a patent begins with the preparation of a specification describing the invention. That specification is filed at a patent office for examination and ultimately a patent for the invention described in the application is either granted or refused.
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