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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
7280983 Information recording medium having reproduction control program recorded thereon and reproduction control program Oct. 9, 2007
7277871 Digital watermark system Oct. 2, 2007
7277870 Digital content distribution using web broadcasting services Oct. 2, 2007
7270866 Piracy-resistant data leasing system and method Sep. 18, 2007
7266528 Method for computer network operation basis for usage fees Sep. 4, 2007
7266202 Information processing device and method, and program storage medium Sep. 4, 2007
7263188 Data delivery system, server apparatus, reproducing apparatus, data delivery method, data playback method, storage medium, control, signal, and transmission data signal Aug. 28, 2007
7260672 Using data stored in a destructive-read memory Aug. 21, 2007
7257844 System and method for enhanced piracy protection in a wireless personal communication device Aug. 14, 2007
7257542 Secure on-line ticketing Aug. 14, 2007
7254562 Rule-based packet selection, storage, and access method and system Aug. 7, 2007
7249107 Redistribution of rights-managed content Jul. 24, 2007
7249106 Information processing method and apparatus and program storage medium for prohibiting duplication of contents in large quantities Jul. 24, 2007
7249102 Original data circulation method, system, apparatus, and computer readable medium Jul. 24, 2007
7245719 Recording method and apparatus, optical disk, and computer-readable storage medium Jul. 17, 2007
7239709 Data recording/reproducing method, data recording/reproducing system, recording apparatus Jul. 3, 2007
7239703 Copyright protection system for data storage and transmission Jul. 3, 2007
7237125 Method and apparatus for automatically deploying security components in a content distribution system Jun. 26, 2007
7236958 Electronic software license with software product installer identifier Jun. 26, 2007
7233667 Record medium, record medium manufacturing device, computer readable record medium on which program is recorded, and data presentation device Jun. 19, 2007
7231360 Time-based software licensing approach Jun. 12, 2007
7230731 Image formation apparatus and method with password acquisition Jun. 12, 2007
7228425 Protecting content from illicit reproduction by proof of existence of a complete data set via self-referencing sections Jun. 5, 2007
7228293 Copy detection for digitally-formatted works Jun. 5, 2007
7227952 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media Jun. 5, 2007
7225167 Merchandise-integral transaction receipt and auditable product ownership trail May. 29, 2007
7225165 License-issuing system and method May. 29, 2007
7225164 Method and apparatus for implementing revocation in broadcast networks May. 29, 2007
7225160 Digital works having usage rights and method for creating the same May. 29, 2007
7225157 Limited-use browser and security system May. 29, 2007
7222105 Internet advertisement metering system and method May. 22, 2007
7222104 Method and apparatus for transferring usage rights and digital work having transferrable usage rights May. 22, 2007
7222101 System and method for securing data through a PDA portal May. 22, 2007
RE39653 Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk May. 22, 2007
7216368 Information processing apparatus for watermarking digital content May. 8, 2007
7213005 Digital content distribution using web broadcasting services May. 1, 2007
7213004 Apparatus and methods for attacking a screening algorithm based on partitioning of content May. 1, 2007
7212634 Data distribution May. 1, 2007
7210028 Hardware management apparatus Apr. 24, 2007
7209902 Repository with security class and method for use thereof Apr. 24, 2007
7209901 Method for selling, protecting, and redistributing digital goods Apr. 24, 2007
7206767 Content distribution system and a reference server Apr. 17, 2007
7206765 System and method for supplying and managing usage rights based on rules Apr. 17, 2007
7203968 Method and apparatus for selectively executing information recording using a cognizant mode and a non-cognizant mode Apr. 10, 2007
7203312 Data reproduction apparatus and data reproduction module Apr. 10, 2007
7200575 Managing access to digital content Apr. 3, 2007
7200574 System for controlling the distribution and use digital works using digital tickets Apr. 3, 2007
7200230 System and method for controlling and enforcing access rights to encrypted media Apr. 3, 2007
7197484 Asset management advice system and recording medium containing program of the system Mar. 27, 2007
7194636 Data authentication Mar. 20, 2007

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