The document discusses the Patent Cooperation Treaty (PCT) which allows filing a single international patent application to seek patent protection in multiple countries. It describes the key steps in the PCT process including international search, publication, and preliminary examination before entering national patent procedures in designated countries within 30 months of the first patent filing date. The document also provides details on India joining the PCT in 1998 and the advantages it provides for postponing costs and obtaining additional time for patenting decisions.

1. PATENT CO-OPERATION TREATY P. ILANANGAI PATENT DEPARTMENT ALTACIT GLOBAL CHENNAI

2. The Traditional Patent System

9. The timeline provides you with a graphical representation of the PCT procedure and sequence

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