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Class Information
Number: 705/57
Name: Data processing: financial, business practice, management, or cost/price determination > Business processing using cryptography > Usage protection of distributed data files > Copy protection or prevention
Description: Subject matter which prevents rerecording of a distributed data file.

Sub-classes under this class:

Class Number Class Name Patents
705/58 Having origin or program id 423

Patents under this class:

Patent Number Title Of Patent Date Issued
8180711 Intellectual property trading exchange May. 15, 2012
8180709 Method and device for consuming rights objects having inheritance structure in environment where the rights objects are distributed over plurality of devices May. 15, 2012
8180708 Watermarking system that executes received watermarking instructions to embed a watermark May. 15, 2012
8176568 Tracing traitor coalitions and preventing piracy of digital content in a broadcast encryption system May. 8, 2012
8176322 Apparatus and method for moving and copying rights objects between device and portable storage device May. 8, 2012
8175978 Managing the allowed usage amount of a program using license information May. 8, 2012
8175976 Method for providing and obtaining content May. 8, 2012
8171557 Document accessing through multiple security domains May. 1, 2012
8171287 Access control system for information services based on a hardware and software signature of a requesting device May. 1, 2012
8166566 Controlling the downloading and recording of digital data Apr. 24, 2012
8166559 Document accessing through multiple security domains including multi-tear wiki webpage and/or using cross domain trusted service Apr. 24, 2012
8166556 Information processing apparatus, information recording medium, information processing method and computer program Apr. 24, 2012
8165963 License scheme for use with stackable devices Apr. 24, 2012
8165304 Domain digital rights management system, license sharing method for domain digital rights management system, and license server Apr. 24, 2012
8165292 Method and system for secure distribution of audiovisual data encapsulated according to a plurality of transport protocols Apr. 24, 2012
8160963 Method and system for providing location-obscured media delivery Apr. 17, 2012
8156049 Universal DRM support for devices Apr. 10, 2012
8150864 Automated monitoring and control of access to content from a source Apr. 3, 2012
8145571 Content transfer control for wireless devices Mar. 27, 2012
8145570 Method and mechanism for vending digital content Mar. 27, 2012
8145532 Connecting devices to a media sharing service Mar. 27, 2012
8145529 System for a multi-media tool bar with advertisements Mar. 27, 2012
8144875 Method and system for establishing real-time authenticated and secured communications channels in a public network Mar. 27, 2012
8144874 Method for obtaining key for use in secure communications over a network and apparatus for providing same Mar. 27, 2012
8140852 Authenticating serialized commodities Mar. 20, 2012
8140439 Method and apparatus for enabling digital rights management in file transfers Mar. 20, 2012
8135646 Content transmission apparatus Mar. 13, 2012
8135645 Key distribution for secure messaging Mar. 13, 2012
RE43230 Optical disk including a barcode pattern formed by a laser using pulse width modulation Mar. 6, 2012
8132013 Long-term authenticity proof of electronic documents Mar. 6, 2012
8131647 Method and system for providing annotations of a digital work Mar. 6, 2012
8131646 Reprogrammable security for controlling piracy and enabling interactive content using revocation status Mar. 6, 2012
8131645 System and method for processing media gifts Mar. 6, 2012
8131644 Formular update Mar. 6, 2012
8130952 Methods and apparatus for persistent control and protection of content Mar. 6, 2012
8127362 Image processing apparatus, control method of the apparatus, computer program for implementing the method, and storage medium Feb. 28, 2012
8126814 Method and system for installing software and hardware feature licenses on devices Feb. 28, 2012
8126810 Apparatus and method of flexible and common IPMP system for providing and protecting content Feb. 28, 2012
8122501 Traitor detection for multilevel assignment Feb. 21, 2012
8122258 System and method for secure operating system boot Feb. 21, 2012
8121954 Information processor, method for controlling the same, and image forming system Feb. 21, 2012
8112811 Information playing/reproducing apparatus and method Feb. 7, 2012
8112363 Selecting, ordering and accessing copyrighted information from physical documents Feb. 7, 2012
8112361 Method and system for dynamic, real-time addition of advertisement to downloaded static content Feb. 7, 2012
8108671 Method and system for controlling presentation of computer readable media on a media storage device Jan. 31, 2012
8108336 Computer enabled method and apparatus to inhibit content and other copying Jan. 31, 2012
8108317 System and method for restricting access to a terminal Jan. 31, 2012
8108312 Content providing method, content providing facility, and user equipment Jan. 31, 2012
8108310 Recording apparatus and method, and communication device and method Jan. 31, 2012
8103595 Licensing system and process for transferring license information Jan. 24, 2012

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