Placing the world’s innovation at your fingertips since 1963.
For over 60 years, Derwent World Patent Index™ (DWPI™) has helped IP professionals and inventors capture better insights from the world’s patent data.
National patent offices use DWPI in examination
Patent editors analyze and summarize new patents into easy to read abstracts
Patent publications covered by DWPI abstracts clearly summarizing novelty, use and advantage
Global sources including 59 patent-issuing authorities and 2 literature sources
Priority errors corrected every week on average by DWPI editors
DWPI families group patents by distinct invention
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