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Python-Skript durchsucht Google Patents ohne API-Schlüssel

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Google Patents bietet keine offizielle API, und die kostenlosen offiziellen Schnittstellen wie PatentsView decken nur einzelne Patentämter ab. Die Website lädt ihre Suchergebnisse jedoch über einen JSON-Endpunkt, der normale HTTP-Anfragen ohne Schlüssel beantwortet. Der Artikel zeigt eine Python-Implementierung nur mit der Standardbibliothek, inklusive verfügbarer Filter und der Struktur der Antwort. Die Treffer enthalten HTML-kodierte Texte, die sich mit einem regulären Ausdruck und html.unescape bereinigen lassen. Außerdem erscheinen fremdsprachige Patente mit maschinell übersetzten Titeln, weshalb die Suchbegriffe und Ergebnisse kritisch geprüft werden sollten.

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