Internet giants America Online Inc. and Netscape Communications Corp. did not infringe a patent directed to retrieving and storing “frames” of data from different information providers, the U.S. Court of Appeals for the Federal Circuit affirmed Dec. 17, holding that the patent’s claims were limited to a technology that was not employed by the defendants’ systems (Wang Laboratories Inc. v. America Online Inc., Fed. Cir., No. 98-1363, 12/17/99).

Wang Laboratories Inc. owns U.S. Patent No. 4,751,669, entitled “Videotex Frame Processing.” The patent is directed to an online information system Wang developed in 1983 and 1984 for use with known videotex systems. The claimed invention provides users with textual and graphical information from computer-controlled databases by way of interactive two-way communication over a telephone network. Using Wang’s system, it is possible to review, retrieve, and store pages or “frames” of data from many different information suppliers.

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