With intensifying global competition in science and technology and rising awareness of intellectual property protection, patent examination efficiency and the time required to obtain a grant have become key concerns for both businesses and innovators. In China, the Patent Prosecution Highway (PPH) has attracted considerable attention and is being actively implemented, thanks to its efficient examination model. The PPH provides robust support for the swift protection of innovative achievements and their subsequent market transformation. Continuously advancing and refining the PPH mechanism will offer innovators a more convenient and efficient route through the examination process.
In practice, however, the utilization rate of the PPH program falls far short of its potential value. Many applicants treat it as a simple "expedited channel" and wait passively after filing a request. Few of them stop to ask: how can we maximize the use of the PPH program through strategic front-end
