PTAB Wrestles With How To Construe Anti-Spoofing Patent

Law360 (November 20, 2019, 9:46 PM EST) -- The Patent Trial and Appeal Board asked tough questions Wednesday about whether it should adopt a district court's definition of a key term in a TrustID Inc. patent covering anti-spoofing technology challenged by Next Caller.

Next Caller Inc. filed its petition before the PTAB adopted the more narrow claim construction standard used in district courts, but Wednesday's hearing nonetheless highlighted how much construction issues can ensnarl patent cases.

TrustID contends that its invention can be used to combat spoofing, which happens when a caller deliberately falsifies the number that appears on a caller ID to disguise the call's origin. TrueID generates...

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