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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
8565422 Method and system for enryption key versioning and key rotation in a multi-tenant environment Oct. 22, 2013
8564621 Replicating changes between corresponding objects Oct. 22, 2013
8561211 System and method for enhanced piracy protection in a wireless personal communication device Oct. 15, 2013
8561100 Using xpath and ontology engine in authorization control of assets and resources Oct. 15, 2013
8554687 Intellectual property trading exchange and a method for trading intellectual property rights Oct. 8, 2013
8554684 Controlling database copyrights Oct. 8, 2013
8549091 RDMA based real-time video client playback architecture Oct. 1, 2013
8543813 Method and apparatus to implement valid mobile ticket transfer Sep. 24, 2013
8543512 Licensed content utilization validation using cache parameters Sep. 24, 2013
8543477 Value tracking and reporting of automated clearing house transactions Sep. 24, 2013
8538889 Application hierarchy and state manipulation Sep. 17, 2013
8538887 Content delivery system and content delivery method Sep. 17, 2013
8538839 System, method, and program product for unit transfer fee processing Sep. 17, 2013
8533859 System and method for software protection and secure software distribution Sep. 10, 2013
8533852 Method and system for securely communicating between a primary service provider and a partner service provider Sep. 10, 2013
8533849 Traitor tracing in a content protection system Sep. 10, 2013
8533121 Method and apparatus for phase identification in a three-phase power distribution network Sep. 10, 2013
8532291 Copy control method Sep. 10, 2013
8527424 Content management program, method and device Sep. 3, 2013
8526610 Methods and apparatus for persistent control and protection of content Sep. 3, 2013
8521652 Discovering licenses in software files Aug. 27, 2013
8521650 Method and service for providing access to premium content and dispersing payment therefore Aug. 27, 2013
8516258 Generator for generating a message authentication code, method of generating a message authentication code, program element and computer-readable medium Aug. 20, 2013
8510844 Authorized content verification method, content transmission/reception system, transmitter, and receiver Aug. 13, 2013
8510792 Gated network service Aug. 13, 2013
8510226 Method for synchronous encryption between a client and a licensing agent Aug. 13, 2013
8504480 Creation of signatures for authenticating applications Aug. 6, 2013
8499359 Data loss prevention using an ephemeral key Jul. 30, 2013
8498942 System and method for obtaining and sharing media content Jul. 30, 2013
8495755 Tracing traitor coalitions and preventing piracy of digital content in a broadcast encryption system Jul. 23, 2013
8495389 Locking changing hard disk content to a hardware token Jul. 23, 2013
8494966 Method and apparatus for facilitating the transfer of a software license between computer systems Jul. 23, 2013
8489510 Barter for rights Jul. 16, 2013
8478693 Framework for specifying access to protected content Jul. 2, 2013
8474059 Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation Jun. 25, 2013
8464355 Method and device for exchanging digital content licenses Jun. 11, 2013
8463776 Image file container Jun. 11, 2013
8463709 Identifying and labeling licensed content in an embedded partition Jun. 11, 2013
8458098 Methods of tracking remote software installations and registrations and related systems and computer program products Jun. 4, 2013
8457317 Method for data privacy in a fixed content distributed data storage Jun. 4, 2013
8452711 System and method to prevent unauthorized copying of a document May. 28, 2013
8452016 Interoperable keychest for use by service providers May. 28, 2013
8447699 Global secure service provider directory May. 21, 2013
8438646 System and/or method for distributing media content May. 7, 2013
8438113 Automated digital express gateway for licensing and acquiring rights and permissions for 3rd party copyrighted content May. 7, 2013
8438111 Retail point of sale (RPOS) digital rights convergence May. 7, 2013
8428552 System and method of wireless communication device provisioning for prepaid service Apr. 23, 2013
8424105 Integrating security by obscurity with access control lists Apr. 16, 2013
8424099 PC secure video path Apr. 16, 2013
8423473 Systems and methods for game activation Apr. 16, 2013

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