With exponential growth in patent filings each year and expanding company portfolios, Patent Quality Assessment (PQA) has become a significant and crucial task. USPTO maintenance fees, which are required to be paid periodically to keep a patent alive for 20 years, further add to the importance of maintaining only quality patents. Patent professionals worldwide have developed a myriad of metrics to assess the quality of patent assets. Benchmarking tools include terms like “Qscore” and “Asset indexes” to quantify the qualitative attributes of a patent.

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