As a general statement, there is no restriction on where an applicant
lives or invents the item when applying for a US Patent. (There are
some restrictions regarding elapses of time and these are detailed on
the below page.)
?The patent laws of the United States make no discrimination with
respect to the citizenship of the inventor. Any inventor, regardless
of his/her citizenship, may apply for a patent on the same basis as a
By registering the patent they are giving themselves the right to take
action in the US against any other person or company copying or
selling the item in the US. They would make similar patent
applications to the intellectual property authorities in other
countries. The place of manufacture is not relevant.
United States Patent and Trademark Office,
?The right conferred by the patent grant is, in the language of the
statute and of the grant itself, ?the right to exclude others from
making, using, offering for sale, or selling? the invention in the
United States or ?importing? the invention into the United States.
What is granted is not the right to make, use, offer for sale, sell or
import, but the right to exclude others from making, using, offering
for sale, selling or importing the invention. Once a patent is issued,
the patentee must enforce the patent without aid of the USPTO.?
This is a patent by Head and you will see that they registered their
Racket for ball games
Head Technology GmbH
I hope this answers your question. If it does not, or the answer is
unclear, then please ask for clarification of this research before
rating the answer. I shall respond to the clarification request as
soon as I receive it.
site:www.uspto.gov "foreign application"
site:www.uspto.gov "foreign applicants"