The Federal Circuit reversed the invalidation of two patents directed to providing security for credit card purchases in an opinion released earlier today.  The patents at issue, U.S. Patent Nos. 7,840,486 and 8,036,988, disclose methods for effecting secure credit-card purchases by minimizing merchant access to credit card numbers.  Both patents were the subject of inter partes reviews launched by a subsidiary of MasterCard Inc. after patent owner John D’Agostino sued for infringement of the claims of both patents in Delaware federal court in April of 2013.

Continue Reading Federal Circuit Reverses PTAB Claim Interpretation in Dispute over Credit Card Security Patent