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Reexamination

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How Can I Challenge an Invalid Patent?

by Clifford D. Hyra on June 30, 2009

If you are aware of a competitor who has been issued a patent improperly, there is an administrative remedy available to you at much lower cost than a lawsuit.  This administrative option is the reexamination procedure.  In a reexamination, an issued patent is reviewed by the Patent Office in light of your input and may [...]

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