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  1. The simple answer is that utility and plant patents typically last for 20 years from their filing date, while design patents offer protection for 15 years from the grant date.
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  2. Search this database for inactive patents that are now …

    Jan 26, 2017 · To search for patents that have expired one can set a T-20 year period at the USPTO search or Google Patents. Every once in awhile there is a gem, but the burgeoning, free and open source hardware (FOSH) community …

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  5. The top 15 blockbuster patent expirations coming this …

    Looking out over the next decade, some of the biggest drugs in the industry will tumble off the patent cliff, putting pharma giants in the hot seat as investors clamor for their next blockbuster.

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  11. How to Check When a Patent Expires - Small Business

    The U.S. Patent and Trademark Office offers online patent information that can be used to figure out the expiration date of a patent.

  12. What Happens When a Patent Expires? - Patent Experts

    Nov 10, 2021 · Learn why patents expire and what consequences they have for inventors. Find out how to renew, reinstate, or improve your patent before it expires.

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