Patents Microsoft may be infringing...

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Patent Region Patent NR Title
US 5,933,646 Software manager for administration of a computer operating system
US 5,949,876 Systems and methods for secure transaction management and electronic rights protection
US 5,963,202 Sytem and method for distributing and managing digital video information in a video distribution network
US 5,963,916 Network apparatus and method for preview of music products and compilation of market data
US 5,982,891 Systems and methods for secure transaction management and electronic rights protection
US 5,999,168 Haptic accelerator for force feedback computer peripherals
US 6,073,124 Method and system for securely incorporating electronic information into an online purchas
US 6,073,124 Method and system for securely incorporating electronic information into an online purchasing application
US 6,119,147 Method and system for computer-mediated, multi-modal, asynchronous meetings in a virtual space
US 6,128,605 Apparatus for data copyright management system
US 6,167,394 Information management system with remote access and display features
US 6,184,868 Haptic feedback control devices
US 6,205,174 Variable bitrate video coding method and corresponding video coder
US 6,249,863 Host device equipped with means for starting a process in response to detecting insertion
US 6,252,597 Scalable user interface for graphically representing hierarchical data
US 6,253,193 Systems and methods for the secure transaction management and electronic rights protection
US 6,330,022 Digital processing apparatus and method to support video conferencing in variable contexts
US 6,356,874 Computer-based method and system for ordering services
US 6,366,906 Method and apparatus for implementing a search selection tool on a browser
US 6,385,596 Secure online music distribution system

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