Mealey's (August 12, 2019, 9:43 AM EDT) -- ALEXANDRIA, Va. — Four petitions for inter partes review (IPR) of two wireless communication patents should not be denied on the basis of untimeliness under the America Invents Act (AIA), the petitioners told the Patent Trial and Appeal Board on Aug. 8, because the patent owner’s “litigation tactics” caused the delay (Kathrein USA Inc. and T-Mobile US Inc. v. Fractus S.A., Nos. IPR2019-00944, IPR2019-00945, IPR2019-00946, IPR2019-00947, PTAB)....