1 vote

I am the original inventor. Is it possible to find from USPTO PAIR the expiration of this pending patent?

You generally don't find expiration dates on patents or in the Public Pair. This is unfortunate. Unless there is an extension, the patents cited will expire 20 years from their priority date. For both ...
  • 9,269
1 vote

Understanding File History and child parent of a Patent

To understand the File History of a patent or an application - (filed/granted in US) - follow the steps shown here (as of September 2015) 1 - Search for USPTO Public Pair 2 - Go to the page shown ...
  • 324

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