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Lockwood v. American Airlines, Inc., 107 F.3d 1565, 65 USLW 2632, 41 U.S.P.Q.2d 1961

Facts

Lockwood, the holder of several patents related to automated interactive sales terminals, sued American Airlines, claiming that its SABREvision reservation system infringed these patents. The district court found that the patents were invalid and not infringed, leading to Lockwood's appeal. The patents in question included features for audio-visual presentations and customer interaction, which the court determined were not present in the SABREvision system. The court also ruled that the patents were anticipated by prior art, specifically the original SABRE system.

Lockwood owns the '115, '355, and '359 patents, all of which relate to automated interactive sales terminals that provide sales presentations to customers and allow the customers to order goods and services. Lockwood sued American asserting that American's SABREvision airline reservation system infringed all three patents.

Issue

Whether the patents held by Lockwood were valid and whether American Airlines' SABREvision system infringed those patents.

Whether the patents held by Lockwood were valid and whether American Airlines' SABREvision system infringed those patents.

Rule

A patent is invalid if it is anticipated by prior art or if it is obvious in light of prior art. Infringement requires a two-step analysis: proper construction of the patent claims and comparison of the accused device to the claims as construed. The prosecution history can also limit the scope of the claims.

A patent is invalid if it is anticipated by prior art or if it is obvious in light of prior art. Infringement requires a two-step analysis: proper construction of the patent claims and comparison of the accused device to the claims as construed. The prosecution history can also limit the scope of the claims.

Analysis

The court analyzed the claims of the patents in light of the prior art, specifically the SABRE system, which was deemed to be in public use prior to Lockwood's invention. The court found that the features claimed in Lockwood's patents were either not present in the SABREvision system or were obvious in light of the prior art. The court also noted that the term 'customer' in the patent did not include travel agents, which further supported the finding of non-infringement.

The court analyzed the claims of the patents in light of the prior art, specifically the SABRE system, which was deemed to be in public use prior to Lockwood's invention. The court found that the features claimed in Lockwood's patents were either not present in the SABREvision system or were obvious in light of the prior art. The court also noted that the term 'customer' in the patent did not include travel agents, which further supported the finding of non-infringement.

Conclusion

The Court of Appeals affirmed the district court's ruling that the patents were invalid and not infringed by American Airlines' SABREvision system.

The Court of Appeals affirmed the district court's ruling that the patents were invalid and not infringed by American Airlines' SABREvision system.

Who won?

American Airlines prevailed in this case as the court upheld the district court's findings that Lockwood's patents were invalid due to anticipation by prior art and that the SABREvision system did not infringe on those patents. The court's reasoning emphasized that the features claimed by Lockwood were either not present in the accused system or were obvious in light of existing technology, thus justifying the summary judgment in favor of American Airlines.

American Airlines prevailed in this case as the court upheld the district court's findings that Lockwood's patents were invalid due to anticipation by prior art and that the SABREvision system did not infringe on those patents.

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