How long can a patent be pending?
ANSWER
A patent can be pending 18 months without being published, and then available for public inspection but it can remain pending perhaps many years yet without being granted. Also, in the US only, if the inventor asks that his application not be published and he does not file for patent protection outside the US, then his or her application can be pending for many years, even 15 years or more, without anyone being able to see the contents of his application.
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Dr Patentsteins' Tips
When you think you might have an invention with sales potential, immediately discuss the idea with a registered patent practitioner | Ensure you sketch all significant elements of your invention on paper, writing as much detail and comments regarding its' operation | After creating any descriptions or sketching your invention, ensure a witness (or even two) sign the paper to support your claim |
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