Donald R. Banowit, director at the intellectual property law firm Sterne, Kessler, Goldstein & Fox P.L.L.C., explains two recent clarifications to the deadlines for filing a petition for inter partes review at the USPTO. Specifically, a petition must be filed within one year of service of the complaint alleging infringement of the patent, and cannot be sought during the first nine months of a patent's issuance.

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