Microsoft與Google聯手向德州地方法院控告當地的GEOTAG公司，要求法官撤消GEOTAG所申請的US5,930,474專利。GEOTAG已用該專利控告逾300家業者，被告的多數業者只是透過其網路地理服務顯示商店所在位置，屬於Microsoft及Google地圖服務的客戶，這使得不論是現有的客戶或是未來的客戶都擔心被GEOTAG控告。
US5,930,474
Title : Internet organizer for accessing geographically and topically based information
Filing Date : 1996.1.31.
Issue Date : 1999.6.27.
Abstract :
A software interface organizes information predicated upon the geographical area of the resources about which the information is desired. A user is presented with a \"viewpoint\" map which may comprise, for example, an actual visually displayed map of a selected geographical area, or text information which pertains to the resources associated with the selected geographical area. A geography database, a local content database and a yellow pages database are provided to allow the user to obtain information at different levels. The geography database allows the user to browse through different geographic areas of which are ordered hierarchically, while the local content database includes information about general goods and services available within a given geographic location and the yellow pages database includes information about specific goods and services in the geographic location. Thus, the user is provided with a means whereby information which is associated with particular geographic locations can be readily accessed.
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