Initiated in 1970, the Patent Cooperation Treaty (PCT) has become a popular tool for patent applicants interested in obtaining patents in multiple countries. In 2014, 61,492 PCT applications were ...

The appeal of the PCT process is that it enables patent applicants to file a single patent application and have that single, uniform patent application be treated as an initial application for ...

Jeffrey Shieh August 24, 2011 09:31 am. Hi Michael, In my experience, if the client is interested in filing into 3-5 countries, it is usually more cost-effective to file via the PCT.