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Validity Searches

Validity Searches are undertaken by companies or individuals trying to determine if it is possible to invalidate an already existing patent. The searcher is looking for issued patents or printed publications that anticipate or make obvious another issued patent. The searcher could also be looking for earlier public knowledge on user of the invention, technical errors, fraud, or anything that would cause the patent to be declared invalid. As a result, a validity search is done to determine if an un-expired patent is valid and enforceable.