Inventor · disambiguated record
Guillermo Lao
Also filed as: LAO GUILLERMO
46 granted patents·28 pending applications·1,504 citations·filing 1990–2015
99Inventor score
Top patents by PatentIndex Score
74 records- 0198US6876984B2Method 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
- 0296US7028009B2Method and apparatus for distributing enforceable property rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Apr 11, 2006·103 cites·75 claims
- 0395US6895503B2Method 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
- 0494US6824051B2Protected content distribution systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Nov 30, 2004·161 cites·64 claims
- 0593US7725401B2Method 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
- 0693US7290699B2Protected content distribution systemCONTENTGUARD HOLDINGS INC·Filed 2005·Granted Nov 6, 2007·41 cites·48 claims
- 0793US6954738B2Method and apparatus for distributing enforceable property rightsCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Oct 11, 2005·66 cites·49 claims
- 0892US7162633B2Method 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
- 0992US7085741B2Method and apparatus for managing digital content usage rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Aug 1, 2006·141 cites·21 claims
- 1092US7068787B1System and method for protection of digital worksCONTENTGUARD HOLDINGS INC·Filed 2000·Granted Jun 27, 2006·100 cites·22 claims
- 1191US7222104B2Method 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
- 1291US6976009B2Method 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
- 1390US6754642B2Method and apparatus for dynamically assigning usage rights to digital worksCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Jun 22, 2004·45 cites·32 claims
- 1488US6973445B2Demarcated digital content and method for creating and processing demarcated digital worksCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Dec 6, 2005·47 cites·32 claims
- 1587US8442916B2Digital rights management of content when content is a future live eventTA THANH·Filed 2012·Granted May 14, 2013·9 cites·30 claims
- 1687US8275709B2Digital rights management of content when content is a future live eventWANG XIN·Filed 2008·Granted Sep 25, 2012·21 cites·18 claims
- 1786US6963858B2Method and apparatus for assigning consequential rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Nov 8, 2005·33 cites·32 claims
- 1885US7343324B2Method, system, and computer readable medium for automatically publishing contentCONTENTGUARD HOLDINGS INC·Filed 2001·Granted Mar 11, 2008·36 cites·101 claims
- 1981US7359884B2Method and apparatus for processing usage rights expressionsCONTENTGUARD HOLDINGS INC·Filed 2003·Granted Apr 15, 2008·16 cites·70 claims
- 2080US8862517B2Digital rights management of content when content is a future live eventPADHYE TUSHAR N·Filed 2011·Granted Oct 14, 2014·5 cites·30 claims
- 2180US7774280B2System and method for managing transfer of rights using shared state variablesCONTENTGUARD HOLDINGS INC·Filed 2004·Granted Aug 10, 2010·13 cites·36 claims
- 2279US8108313B2Rights expression profile system and method using templatesRALEY MICHAEL·Filed 2003·Granted Jan 31, 2012·14 cites·48 claims
- 2379US7152046B2Method and apparatus for tracking status of resource in a system for managing use of the resourcesCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Dec 19, 2006·29 cites·15 claims
- 2478US7299171B2Method and system for processing grammar-based legality expressionsCONTENTGUARD HOLDINGS INC·Filed 2004·Granted Nov 20, 2007·25 cites·103 claims
- 2577US8869293B2Method and apparatus for hierarchical assignment of rights to documents and documents having such rightsWANG XIN·Filed 2006·Granted Oct 21, 2014·5 cites·14 claims
- 2677US6968996B2Protected content distribution systemCONTENTGUARD HOLDINGS INC·Filed 2004·Granted Nov 29, 2005·21 cites·21 claims
- 2776US8468098B2Method and system for subscription digital rights managementLAO GUILLERMO·Filed 2012·Granted Jun 18, 2013·2 cites·24 claims
- 2876US8412644B2Method and apparatus for establishing usage rights for digital content to be created in the futureRALEY MICHAEL C·Filed 2010·Granted Apr 2, 2013·2 cites·45 claims
- 2973US8892473B2Method and system for subscription digital rights managementLAO GUILLERMO·Filed 2012·Granted Nov 18, 2014·2 cites·30 claims
- 3072US9626668B2Rights expression profile system and method using templatesRALEY MICHAEL C·Filed 2008·Granted Apr 18, 2017·3 cites·21 claims
- 3171US8244579B2Method and apparatus for distributing enforceable property rightsWANG XIN·Filed 2006·Granted Aug 14, 2012·3 cites·26 claims
- 3271US7853531B2Method and apparatus for supporting multiple trust zones in a digital rights management systemCONTENTGUARD HOLDINGS INC·Filed 2002·Granted Dec 14, 2010·17 cites·39 claims
- 3370US8271350B2Method and system for automatically publishing contentLAO GUILLERMO·Filed 2007·Granted Sep 18, 2012·4 cites·15 claims
- 3469US7386513B2Networked services licensing system and methodCONTENTGUARD HOLDINGS INC·Filed 2004·Granted Jun 10, 2008·14 cites·12 claims
- 3569US5541439ALayout for a high voltage darlington pairXEROX CORP·Filed 1994·Granted Jul 30, 1996·28 cites·34 claims
- 3669US5270660AElectrostatic voltmeter employing high voltage integrated circuit devicesXEROX CORP·Filed 1992·Granted Dec 14, 1993·30 cites·29 claims
- 3769US2010050272A1Method and apparatus for hierarchical assignment of rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2009·Application pending·0 cites
- 3869US2015088768A1Method and apparatus for dynamically assigning usage rights to digital worksCONTENTGUARD HOLDINGS INC·Filed 2014·Application pending·0 cites
- 3968US8275716B2Method and system for subscription digital rights managementLAO GUILLERMO·Filed 2002·Granted Sep 25, 2012·9 cites·29 claims
- 4065US8078542B2System and method for managing transfer of rights using shared state variablesNGUYEN MAI·Filed 2010·Granted Dec 13, 2011·2 cites·17 claims
- 4165US2004162784A1Method and apparatus for dynamically assigning usage rights to digital worksFiled 2004·Application pending·0 cites
- 4265US2014019373A1Method and system for automatically publishing contentCONTENTGUARD HOLDINGS INC·Filed 2013·Application pending·0 cites
- 4362US10540484B2Networked services licensing system and methodCONTENTGUARD HOLDINGS INC·Filed 2014·Granted Jan 21, 2020·1 cites·15 claims
- 4462US8566176B2Method and system for automatically publishing contentLAO GUILLERMO·Filed 2012·Granted Oct 22, 2013·0 cites·3 claims
- 4561US2003140003A1Method and apparatus managing the transfer of rightsFiled 2002·Application pending·0 cites
- 4661US2007162398A1Method and apparatus for transferring usage rights and digital work having transferable usage rightsTADAYON BIJAN·Filed 2007·Application pending·0 cites
- 4760US8099364B2Digital rights management of content when content is a future live eventPADHYE TUSHAR N·Filed 2002·Granted Jan 17, 2012·10 cites·20 claims
- 4860US2015082453A1Method and apparatus for hierarchical assignment of rights to documents and documents having such rightsCONTENTGUARD HOLDINGS INC·Filed 2014·Application pending·0 cites
- 4960US2015033359A1Method and system for subscription digital rights managementCONTENTGUARD HOLDINGS INC·Filed 2014·Application pending·0 cites
- 5060US2015149369A1Method and apparatus for establishing usage rights for digital content to be created in the futureCONTENTGUARD HOLDINGS INC·Filed 2015·Application pending·0 cites
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →