How do you patent an invention?
How do you patent an invention?
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In the United States, inventions can be patented with the help of a patent lawyer.  A patent is a legal document that describes how the invention works and what parts of it are new.  The inventors can use the patent to prevent others from making, using, or selling the invention.  The reason why inventors get a patent is to claim the rights to their invention and to make money from it.
assistant
How do you know if an invention already has a patent?
user
You can search the US Patent and Trademark Office database, which is maintained by the US Government.   The first step is to find the relevant category of inventions.  For example, “machinery” includes all kinds of machines, such as construction and office machinery, but also cars, aircrafts, and ships.  Then, look at the index.  An entry such as the following could refer to a boat:
assistant
How much is a patent?
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