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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:
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Patent Number Title Of Patent Date Issued
7536355 Content security system for screening applications May. 19, 2009
7533062 Method for creating self-authenticating documents May. 12, 2009
7533061 Delivering media files to consumer devices May. 12, 2009
7533027 Methods and apparatus for uniquely identifying a large number of film prints May. 12, 2009
7530116 Controlling the downloading and recording of digital data May. 5, 2009
7529938 Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information May. 5, 2009
7529919 Boot blocks for software May. 5, 2009
7529712 Content distribution system and method May. 5, 2009
7526451 Method of transferring digital rights Apr. 28, 2009
7526450 Interface for presenting downloadable digital data content format options Apr. 28, 2009
7523303 System and method for distributing digital works, apparatus and method for reproducing digital works, and computer program product Apr. 21, 2009
7523302 Electronic recipe management Apr. 21, 2009
7519558 Biometrically enabled private secure information repository Apr. 14, 2009
7519180 Method and apparatus for copy protection Apr. 14, 2009
7516497 Information processing apparatus and method, and program storage medium Apr. 7, 2009
7516147 URL system and method for licensing content Apr. 7, 2009
7516104 Methods of providing software over a network and related systems and computer program products Apr. 7, 2009
7516102 Image output time management method and the record media Apr. 7, 2009
7515710 Federated digital rights management scheme including trusted systems Apr. 7, 2009
7512991 Methods, systems, signals and media for encouraging users of computer readable content to register Mar. 31, 2009
7512565 Method for implementing secure transaction for electronic deposit (purse) Mar. 31, 2009
7512549 Information processor and processing method, and information storage medium Mar. 31, 2009
7509682 Copy protection method and system for digital media Mar. 24, 2009
7506378 Data recording medium, program starting method, and program Mar. 17, 2009
7506367 Content management method, and content storage system Mar. 17, 2009
7502927 Directory enabled secure multicast group communications Mar. 10, 2009
7502853 System and method for improved remote portlet communications Mar. 10, 2009
7502762 Method and system for commerce with full anonymity Mar. 10, 2009
7502471 System and method for protecting data streams in hardware components Mar. 10, 2009
7500271 Reproducing apparatus and information distribution system Mar. 3, 2009
7499550 System and method for protecting a title key in a secure distribution system for recordable media content Mar. 3, 2009
7496766 Apparatus, method, and program product for secure data formatting and retriving, and computer readable transportable data recording medium storing the program product Feb. 24, 2009
7496540 System and method for securing digital content Feb. 24, 2009
7490068 Apparatus and method for rendering digital content Feb. 10, 2009
7487129 Method and apparatus for the distribution of digitised information on demand Feb. 3, 2009
7484245 System and method for providing data security Jan. 27, 2009
7483175 Method and system for printing secure value documents and non-secure documents utilizing the same printing device Jan. 27, 2009
7480942 Method for controlling access to disc data and method for indentifying disc Jan. 20, 2009
7480382 Image file container Jan. 20, 2009
7475430 Data recording apparatus Jan. 6, 2009
7469232 System and method for revenue sharing for multimedia sharing in social network Dec. 23, 2008
7469230 Method and system for automatically distributing fees, including a reseller commission, during a digital file transaction Dec. 23, 2008
7458100 Adding copy protection to a computer program Nov. 25, 2008
7457781 Method and system for enforcing simultaneous user licenses for applications running on wireless devices Nov. 25, 2008
7457780 Contents sales method and cyber mall system using such method and storage medium storing therein its contents sales program Nov. 25, 2008
7454384 Information distributing method and system Nov. 18, 2008
7454323 Method for creation of secure simulation models Nov. 18, 2008
7454019 System and method for controlling display of copy-never content Nov. 18, 2008
7447914 Method for controlling database copyrights Nov. 4, 2008
7437768 Information processing apparatus and method, and program storage medium Oct. 14, 2008

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