lists patented inventions available for sale or licensing. Inventors can list their patented inventions (or patent pending) for sale. New inventions for sale are added on a daily basis !
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[Home > About] is an online marketplace designed ONLY for selling or licensing patented inventions.

Patentauction was founded in 2004 (originally under the name and, due to its unique conception and focused activity, has quickly become the the world's largest marketplace for patents.

Another key of our success is that, from the beginning, our service has been completely free. is a non-commercial and not for profit initiative, only designed to help inventors get more exposure for their patents. provides potential buyers with the opportunity to contact the inventors and to have a private conversation within the site. When that happens, we have reached our goal and it is then up to the parties to come to an agreement and seal the deal outside the platform.

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