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Is there a better site for free download of patents in PDF format other than ?

Patent Retriever does not require user registration and is simple and fast to download patents in PDF format. Are there any other sites that can offer the same?

2 Answers

  • 1 decade ago
    Favorite Answer

    I've used quite a few sites for work in the past. However is a lot easier to use without the annoying registrations. It does the job quickly and best of all it's free. Other sites just waste time or are too complex to use. That's probably why it is so popular for people who need to use it for work nowadays.

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  • Swibs
    Lv 6
    1 decade ago

    Yes, straight from the source.

    US Patent and Trademark Office.

    More specifically the search page:

    All information is public domain. No user registration required.

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