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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
8001614 System and method for making encrypted content available to derivable related parties Aug. 16, 2011
8001053 System and method for rights offering and granting using shared state variables Aug. 16, 2011
7996909 Information processing apparatus and method Aug. 9, 2011
7996335 Information processing device, contents distribution server, license server, and method and computer program Aug. 9, 2011
7991155 Backup management device, backup management method, computer program, recording medium, integrated circuit, and backup system Aug. 2, 2011
7987494 Method and apparatus providing end to end protection for a document Jul. 26, 2011
7987142 Intellectual property trading exchange Jul. 26, 2011
7987140 Digital rights management of captured content based on criteria regulating a combination of elements Jul. 26, 2011
7986782 Method and system for managing rights in digital information over a network Jul. 26, 2011
7984512 Integrating security by obscurity with access control lists Jul. 19, 2011
7979354 Controlling database copyrights Jul. 12, 2011
7974923 Extensible rights expression processing system Jul. 5, 2011
7971017 Memory card with embedded identifier Jun. 28, 2011
7970708 Value information management system, recording medium, printer device, account adjusting device, electronic data printing method, and computer program Jun. 28, 2011
7966498 Data outputting method, data outputting apparatus, data reproducing method, data reproducing apparatus, data recording method, data recording apparatus, and record medium Jun. 21, 2011
7966267 Method and system for validating a security marking Jun. 21, 2011
7966261 Systems and methods to distribute content over a network Jun. 21, 2011
7966259 System and methods for facilitating transactions on, and personalizing web pages of, third party web sites Jun. 21, 2011
7962764 Data outputting method, data outputting apparatus, data reproducing method, data reproducing apparatus, data recording method, data recording apparatus, and record medium Jun. 14, 2011
7962750 System for tracking end-user electronic content usage Jun. 14, 2011
7962424 Overdraft licenses and license distribution Jun. 14, 2011
7958370 System and device for managing control data Jun. 7, 2011
7958055 Method and apparatus for temporary ownership of digital items in a network data processing system Jun. 7, 2011
7958054 Apparatus for reproduction song data with limitation dependent on preview or purchase Jun. 7, 2011
7953668 Method and apparatus for reserving digital rights May. 31, 2011
RE42399 Method of converting audio data for a portable device and reproducing the converted audio data May. 24, 2011
7945517 Data distribution system and recording device for use therein May. 17, 2011
7940935 Content playback apparatus, content playback method, computer program, key relay apparatus, and recording medium May. 10, 2011
7938726 Universal game download system for legacy gaming machines May. 10, 2011
7937327 Music content using apparatus May. 3, 2011
7937326 Document security protection analysis assistant May. 3, 2011
7934266 Contents reproduction device, contents reproduction control method, program Apr. 26, 2011
7934097 Method, apparatus, and system for managing, reviewing, comparing and detecting data on a wide area network Apr. 26, 2011
7933839 Method and system for providing annotations of a digital work Apr. 26, 2011
7933838 Apparatus for secure digital content distribution and methods therefor Apr. 26, 2011
7933837 Content information providing system, content information providing server, content reproduction apparatus, content information providing method, content reproduction method and computer progr Apr. 26, 2011
7930765 Control of consumption of media objects Apr. 19, 2011
7930756 Multi-level cryptographic transformations for securing digital assets Apr. 19, 2011
7930546 Methods, systems, and sub-combinations useful in media identification Apr. 19, 2011
7925590 Multimedia search engine Apr. 12, 2011
7920713 Recorded video broadcast, streaming, download, and disk distribution with watermarking instructions Apr. 5, 2011
7917393 Probabilistic alert correlation Mar. 29, 2011
7912894 Computerized, copy-detection and discrimination apparatus and method Mar. 22, 2011
7907749 Multi-stage watermarking process and system Mar. 15, 2011
7907149 System and method for connecting people Mar. 15, 2011
7904528 Apparatus and associated method for downloading an application with a variable lifetime to a mobile terminal Mar. 8, 2011
7904390 Management system and management method for charging object apparatus, management apparatus and charging object apparatus Mar. 8, 2011
7900264 Multimedia client/server system with copy protection recovery and methods for use therewith Mar. 1, 2011
7899205 Data content identification Mar. 1, 2011
7895661 Method and system for secure network-based distribution of content Feb. 22, 2011

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