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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
7895660 Method and apparatus for moving contents using copy and movement control information Feb. 22, 2011
7895442 Interconnect device to enable compliance with rights management restrictions Feb. 22, 2011
7895124 Method for protecting sensitive data during execution Feb. 22, 2011
7895123 Digital content publication Feb. 22, 2011
7891011 User-based digital rights management Feb. 15, 2011
7890772 Multi-function printing device Feb. 15, 2011
7890431 Trial access for media files from media list Feb. 15, 2011
7886365 Content-log analyzing system and data-communication controlling device Feb. 8, 2011
7885897 Intellectual property trading exchange and a method for trading intellectual property rights Feb. 8, 2011
7885895 Information processing apparatus, content information management method and computer program Feb. 8, 2011
7885894 Content distribution system and content license management method Feb. 8, 2011
7882362 Data management apparatus Feb. 1, 2011
7882037 Open, neutral electronic distribution system for digital content providing distribution channel support to publishers and retailers and abstract fulfillment for publishers Feb. 1, 2011
7877330 Method and system for managing access to media files Jan. 25, 2011
7877329 Apparatus and method for processing license keys using dynamic field mapping Jan. 25, 2011
7877328 Communication system communication method, contents processing device, and computer program Jan. 25, 2011
7874012 Privileged access to encrypted data Jan. 18, 2011
7873578 Buy once play anywhere Jan. 18, 2011
7870385 Method and system for controlling presentation of computer readable media on a media storage device Jan. 11, 2011
7870075 System and method for managing software development Jan. 11, 2011
7865441 Switching between multiple versions of a software program Jan. 4, 2011
7865057 Method and apparatus for conveying rights across an analog video interface Jan. 4, 2011
7861312 MP3 player with digital rights management Dec. 28, 2010
7861306 Method and system for limiting the use of user-specific software features Dec. 28, 2010
7860802 Flexible licensing architecture in content rights management systems Dec. 28, 2010
7860799 Methods, systems, and computer program products for providing media content delivery audit and verification services Dec. 28, 2010
7859725 System and method for monitoring unauthorized dissemination of documents and portable media Dec. 28, 2010
7856560 Digital information recording apparatus and recording/reproducing apparatus Dec. 21, 2010
7856405 Contents sales method and cyber mall system using such method and storage medium storing therein its contents sales program Dec. 21, 2010
7854011 Method of managing digital rights Dec. 14, 2010
7853670 System and method for detecting and verifying digitized content over a computer network Dec. 14, 2010
7853530 Digital signal processing apparatus, digital signal processing method, information center, and data delivery system Dec. 14, 2010
7853527 Information processing apparatus, information processing method, program recording medium, and data recording medium Dec. 14, 2010
7853121 Recording medium, reproduction device, program, and reproduction method Dec. 14, 2010
7849019 Method and arrangement for managing licenses Dec. 7, 2010
7849018 Tracking download of an application component Dec. 7, 2010
7848509 Network-based voice activated auto-attendant service with B2B connectors Dec. 7, 2010
7847958 Image forming apparatus and control method for preventing unlimited copying of an original document including a storage device Dec. 7, 2010
7844549 File sharing methods and systems Nov. 30, 2010
7841014 Confidential information processing method, confidential information processor, and content data playback system Nov. 23, 2010
7840491 Method and apparatus for extending license of content in portable device Nov. 23, 2010
7840489 Key sharing for DRM interoperability Nov. 23, 2010
7840487 Digital content encryption and decryption method and workflow system using digital content Nov. 23, 2010
7836515 System and method for enhanced piracy protection in a wireless personal communication device Nov. 16, 2010
7836311 Information processing apparatus, information processing method, and computer program used therewith Nov. 16, 2010
7836308 Apparatus and method for multiple function authentication device Nov. 16, 2010
7835991 Data filling station Nov. 16, 2010
7831516 System and method for redistributing and licensing access to protected information among a plurality of devices Nov. 9, 2010
7831513 Systems and methods for soliciting customers using computer readable media Nov. 9, 2010
7831512 Content distribution system and method Nov. 9, 2010

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