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IP News

By Jeff Ginsberg and David Cooperberg
March 01, 2018

Federal Circuit Vacates Noninfringement Decision Finding a Genuine Dispute as to Divided Infringement

On Dec. 19, 2017, a Federal Circuit panel of Judges Lourie, O'Malley, and Taranto issued a unanimous opinion, authored by Judge O'Malley, in Travel Sentry, Inc. v. David A. Tropp, Case Nos. 2016-2386, 2016-2387, 2016-2714, and 2017-1025. The panel vacated the district court's grant of summary judgment of noninfringement, finding a genuine factual dispute as to whether Travel Sentry directs or controls the performance of certain steps of the claims of U.S. Patent Nos. 7,021,537 (the '537 patent) and 7,036,728 (the '728 patent) issued to appellant David A. Tropp.

The Federal Circuit identified claim 1 of the '537 patent as representative. This claim recites a four step method of improving airline luggage inspection by a luggage screening entity, comprising:

[a] making available to consumers [luggage with] a special lock having a combination lock portion and a … master key lock portion for receiving a master key …, the special lock also having an identification structure … that matches an identification structure previously provided to the luggage screening entity …, [b] marketing the special lock to the consumers …, [c] the identification structure signaling to a … luggage screening entity … that [it] has agreed to subject the special lock [to a] special procedure …, and [d] the luggage screening entity acting pursuant to a prior agreement to look for the identification structure while screening luggage and …, to use the master key … to, if necessary, open the … luggage.

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