The PPH programme is a bilateral agreement between the Eurasian Patent Office (EAPO) and other patent offices (hereinafter the Partners` Office). The EPO participates in a number of PPH agreements, including IP5-PPH, but not GPPH. PPH can therefore be applied to the EPO on the basis of the results of most major patent offices. At the time of the letter, it is possible to base PPH with the EPO on a PCT work product (such as the International Preliminary Report) or on an authorisation in China, Japan, Korea, the United States, Canada, Australia, Russia, Brazil, Mexico, Singapore, Malaysia, the Philippines, Colombia, Peru, in Israel or at the Eurasian Patent Office. In order to provide applicants with a faster way to obtain patent compensation, reduce the workload of patent offices and streamline the process, many patent offices have sought ways to “share” their work. The Patent Prosecution Highway consists of a network of agreements between different patent offices that allow applicants to expedite prosecutions in one office with positive results from another office. This page provides a general overview of the PPH system and its requirements. The essential requirements are largely common in each agreement, although there are exceptions. There are some subtleties for some of the offices and some of the conventions.

Some of the most important are listed below. There is a separate PPH agreement between each pair of offices in each direction. [For example, there are four agreements between the USPTO and the EPO: PPH to the USTPO on the basis of an internal examination of the EPO, PPH to the USPTO on the basis of the EPO`s international examination, PPH to the EPO on the basis of the internal USPTO examination and PPH to the EPO on the basis of the USPTO international examination.] Both the UKIPO and the EPO have a large number of agreements with patent offices around the world, including the United States, Japan, Korea, China, Canada and Australia. There is an extensive network of different PPH agreements, with new regular agreements. The main PPH paths are as follows: a useful table of all PPH agreements is available under www.jpo.go.jp/ppph-portal/links.htm. A plurilateral agreement was signed between Rospatent and the patent offices of Austria, Australia, Great Britain, Hungary, Germany, Spain, Iceland, Spain, Canada, Israel, South Korea, Norway, Poland, Portugal, Singapore, the United States, Finland, Sweden, Estonia, Japan and the Northern Patent Institute. . .

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