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PQAI

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(8)4.9/5

PQAI is an open-source, AI-powered patent search engine that democratizes prior-art discovery for inventors, patent professionals, R&D teams, and legal practitioners. Built by a global community, PQAI interprets natural language queries and delivers highly relevant, semantically matched patent and non-patent literature from global data sources including the USPTO, EPO, and WIPO. It features real-time search, CPC/IPC code suggestions, concept extraction, and an intuitive API, streamlining novelty and FTO searches for both technical and non-technical users. PQAI is trusted by IP firms, enterprises, and individual inventors to reduce redundant filings, improve patent quality, and accelerate innovation. Free to use, with advanced features available in PQAI+.

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