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A patent application normally costs tens of thousand dollars
to prepare and file. Thus, it can be worthwhile to spend a
few hundred dollars on a prior-art search, to get an idea
whether the invention is patentable, before incurring the
cost of a patent application.
A preliminary patentability search can also provide an early
warning of possible third-party rights that might need to
be taken into account, which may save you millions of dollar
in some circumstances.
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