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Bringing Prosecution History Back Into Claim Construction Under Broadest Reasonable Interpretation, <i>PTAB Litigation Blog</i>

Bringing Prosecution History Back Into Claim Construction Under Broadest Reasonable Interpretation, PTAB Litigation Blog

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In D’Agostino v. MasterCard Int’l Inc. 2016-1592 & 2016-1593, the Federal Circuit vacated the Patent Trial and Appeal Board invalidation decisions in two related inter partes review proceedings, holding that the Board’s claim construction was unreasonable.  The patents at issue were D’Agostino’s U.S. Patent Nos. 7,840,486 and 8,036,988.  Both patents cover methods for facilitating a secure credit card transaction by using a transaction code instead of the credit card number itself.

Read the full article at ptablitigationblog.com.

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