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Delayed Payment Proves Fatal for Cultec’s PTAB Challenge

Delayed Payment Proves Fatal for Cultec’s PTAB Challenge

By Marlee Hartenstein and Matt Johnson Under 35 U.S.C. § 315(b), a petition for inter partes review (IPR) may not be filed more than one year after the date on which the petitioner was served with a patent infringement complaint.  Thus, a petition must meet all of the...

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