Assignee
CONTENTGUARD HOLDINGS INC
US·101 granted patents·48 pending applications·6,267 citations·filing 1997–2019
Top patents by PatentIndex Score
149 records- 0199US6714921B2System for controlling the distribution and use of digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Mar 30, 2004·205 cites·48 claims
- 0299US6236971B1System for controlling the distribution and use of digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 1997·Granted May 22, 2001·968 cites·9 claims
- 0398US7523072B2System for controlling the distribution and use of digital worksCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Apr 21, 2009·75 cites·25 claims
- 0498US7043453B2Method and system for conducting transactions between repositories using a repository transaction protocolCONTENTGUARD HOLDINGS INC·Filed 2003·Granted May 9, 2006·133 cites·81 claims
- 0598US6876984B2Method and apparatus for establishing usage rights for digital content to be created in the futureCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Apr 5, 2005·84 cites·25 claims
- 0698US6708157B2System for controlling the distribution and use of digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Mar 16, 2004·145 cites·23 claims
- 0798US6233684B1System for controlling the distribution and use of rendered digital works through watermakingCONTENTGUARD HOLDINGS INC·Filed 1997·Granted May 15, 2001·829 cites·28 claims
- 0897US8370956B2System and method for rendering digital content in accordance with usage rights informationCONTENTGUARD HOLDINGS INC·Filed 2012·Granted Feb 5, 2013·19 cites·18 claims
- 0997US7389270B2System for controlling the distribution and use of digital worksCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Jun 17, 2008·30 cites·47 claims
- 1097US7113912B2Composite digital works having usage rights and method for creating the sameCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Sep 26, 2006·74 cites·9 claims
- 1197US7024392B2Method for controlling use of database contentCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Apr 4, 2006·71 cites·29 claims
- 1297US6895392B2Usage rights grammar and digital works having usage rights created with the grammarCONTENTGUARD HOLDINGS INC·Filed 2001·Granted May 17, 2005·86 cites·31 claims
- 1396US7028009B2Method and apparatus for distributing enforceable property rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Apr 11, 2006·103 cites·75 claims
- 1496US6959290B2Method and apparatus for tracking states of digital worksCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Oct 25, 2005·57 cites·54 claims
- 1596US6957193B2Repository with security class and method for use thereofCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Oct 18, 2005·48 cites·42 claims
- 1696US6931545B1Systems and methods for integrity certification and verification of content consumption environmentsCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Aug 16, 2005·156 cites·136 claims
- 1796US6928419B2Method and apparatus for repackaging portions of digital works as new digital worksCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Aug 9, 2005·58 cites·58 claims
- 1896US6898576B2Method and apparatus for executing code in accordance with usage rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted May 24, 2005·58 cites·47 claims
- 1996US6885748B1System and method for protection of digital worksCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Apr 26, 2005·161 cites·26 claims
- 2095US7720767B2Method and system to support dynamic rights and resources sharingCONTENTGUARD HOLDINGS INC·Filed 2005·Granted May 18, 2010·44 cites·19 claims
- 2195US7209902B2Repository with security class and method for use thereofCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Apr 24, 2007·20 cites·45 claims
- 2295US7206765B2System and method for supplying and managing usage rights based on rulesCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Apr 17, 2007·145 cites·25 claims
- 2395US6944600B2System for controlling the distribution and use of digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Sep 13, 2005·46 cites·25 claims
- 2495US6895503B2Method and apparatus for hierarchical assignment of rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted May 17, 2005·90 cites·14 claims
- 2594US6963859B2Content rendering repositoryCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Nov 8, 2005·68 cites·84 claims
- 2694US6824051B2Protected content distribution systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Nov 30, 2004·161 cites·64 claims
- 2793US7725401B2Method and apparatus for establishing usage rights for digital content to be created in the futureCONTENTGUARD HOLDINGS INC·Filed 2005·Granted May 25, 2010·11 cites·29 claims
- 2893US7290699B2Protected content distribution systemCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Nov 6, 2007·41 cites·48 claims
- 2993US7260556B2Content rendering device with usage rightsCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Aug 21, 2007·13 cites·23 claims
- 3093US7206941B2Method and apparatus for validating security components through a request for contentCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Apr 17, 2007·54 cites·10 claims
- 3193US7073199B1Document distribution management method and apparatus using a standard rendering engine and a method and apparatus for controlling a standard rendering engineCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Jul 4, 2006·100 cites·26 claims
- 3293US7065505B2Method for metering and pricing of digital worksCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Jun 20, 2006·30 cites·16 claims
- 3393US6957194B2Method for printing digital worksCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Oct 18, 2005·65 cites·44 claims
- 3493US6954738B2Method and apparatus for distributing enforceable property rightsCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Oct 11, 2005·66 cites·49 claims
- 3593US6934693B2System for controlling the distribution and use of digital worksCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Aug 23, 2005·34 cites·16 claims
- 3693US6920436B2Digital work structureCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Jul 19, 2005·68 cites·32 claims
- 3793US6912294B2Multi-stage watermarking process and systemCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Jun 28, 2005·84 cites·87 claims
- 3892US7664708B2System for controlling the distribution and use of digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Feb 16, 2010·11 cites·56 claims
- 3992US7359881B2System for controlling the distribution and use of digital works using secure componentsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Apr 15, 2008·28 cites·33 claims
- 4092US7225160B2Digital works having usage rights and method for creating the sameCONTENTGUARD HOLDINGS INC·Filed 2001·Granted May 29, 2007·32 cites·38 claims
- 4192US7162633B2Method and apparatus for hierarchical assignment of rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Jan 9, 2007·25 cites·68 claims
- 4292US7085741B2Method and apparatus for managing digital content usage rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Aug 1, 2006·141 cites·21 claims
- 4392US7068787B1System and method for protection of digital worksCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Jun 27, 2006·100 cites·22 claims
- 4492US7058606B2Method for loaning digital worksCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Jun 6, 2006·29 cites·57 claims
- 4591US7809644B2Digital work structureCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Oct 5, 2010·16 cites·68 claims
- 4691US7222104B2Method and apparatus for transferring usage rights and digital work having transferrable usage rightsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted May 22, 2007·58 cites·14 claims
- 4791US7200574B2System for controlling the distribution and use digital works using digital ticketsCONTENTGUARD HOLDINGS INC·Filed 2004·Granted Apr 3, 2007·23 cites·46 claims
- 4891US6976009B2Method and apparatus for assigning consequential rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Dec 13, 2005·101 cites·25 claims
- 4991US6910022B2Usage rights grammar and digital works having usage rights created with the grammarCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Jun 21, 2005·23 cites·49 claims
- 5091US6519700B1Self-protecting documentsCONTENTGUARD HOLDINGS INC·Filed 1998·Granted Feb 11, 2003·167 cites·17 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
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