Patent and Trademark Office, theˌPatent and ˈTrademark ˌOffice, the (abbreviation PTO, USPTO) 
the US government department that decides which new inventions can be given a patent (=the right to make and sell a new invention). There is a similar department in the UK called the Patent Office.
the US government department that decides which new inventions can be given a patent (=the right to make and sell a new invention). There is a similar department in the UK called the Patent Office.- chorus line
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