Updated July 18, 2018

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OMA Member IPR Declarations Search

Company Title Country/ Province Application # Patent # Specification reference, impacted paragraph Countries Applicable Declaration Date
Research in Motion Ltd MOBILE BROADCASTING SYSTEM AND METHOD FOR ENHANCING MOBILE BROADCASTING SERVICES WITH RICH MEDIA INCLUDING AN ENHANCED SERVICE GUIDE WO 2010/017465 BCAST 1.1 Service Guide TS 1, 5, 5.1.1, 5.1.2.4, 5.1.4.2, 5.1.2.9, 5.1.2.10, 5.14, 5.14.3, 5.18.1.1, 5.3.6.1.2, 6.2 F1 RD 4.2 Rich-Media in the service guide. Disclosed in Doc OMA-BCAST-v1_ 1-2009-0031-CR_ RMS_ SG on Feb 5, 2009, Agreed on June 24th 2009

Rich-Media in preview data. Disclosed in Doc OMA-BCAST-v1_ 1-2009-0051-CR_ Rich_ Media_ support_ in_ PreviewData_ fragment on April 7th 2009, agreed on May 14th 2009

Rich-Media in preview fragment. Disclosed in OMA-BCAST-v1_ 1-2009-0064-CR_ Rich_ Media_ Terminal_ Capability_ in_ access_ Fragment on April 12 2009. Agreed on May 14th 2009

24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS AU 2008/338195 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS BR PCT/CA2008/002160 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS CA 2708540 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS CN 2008 80120838.7 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS EP 2220881 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR SPECIFYING, APPLYING AND EXTENDING APPLICATION RELATED ASPECTS THROUGH POLICIES, ROLES AND/OR TRIGGERS US 2009/0157805 OMA Presence Access Layer (PAL) TS 4, 5, 5.1, 5.1.1, 5.1.4, 5.2, 5.2.1, 5.2.4, 5.2.5, 5.2.7, 6.2, 6.2.1.1, 6.2.3.1; AD 4, 5.3.2, App. B.2; RD 3.2, 6.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR MEDIATED ACCESS TO A DATA FACADE ON A MOBILE DEVICE US 2010/0070606 OMA MobAd over DCD v 1.0 TS 1, 3.2, 3.3, 5.1, 5.1.4, 5.2.1, 6.1, 6.1.1, 6.1.3, 6.2.1, 6.2.2, 6.2.1.2, 6.3.1.2, 7, 7.1.3.3.1, 7.3.2.2, 8.1, 8.1.2, 8.2.2.1.2, C1.1 AD 5.2, 5.3.6 RD 3.2 11 june 2009

OMA-CD-MobAd-2009-0123-INP_ MobAd_ over_ DCD_ Application_ Profile_ options; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0124R02-CR_ MobAd_ over_ DCD_ Application_ Profile.zip

24th June 2009

24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR MEDIATED ACCESS TO A DATA FACADE ON A MOBILE DEVICE WO 2010/030316 OMA MobAd over DCD v 1.0 TS 1, 3.2, 3.3, 5.1, 5.1.4, 5.2.1, 6.1, 6.1.1, 6.1.3, 6.2.1, 6.2.2, 6.2.1.2, 6.3.1.2, 7, 7.1.3.3.1, 7.3.2.2, 8.1, 8.1.2, 8.2.2.1.2, C1.1 AD 5.2, 5.3.6 RD 3.2 11 june 2009

OMA-CD-MobAd-2009-0123-INP_ MobAd_ over_ DCD_ Application_ Profile_ options; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0124R02-CR_ MobAd_ over_ DCD_ Application_ Profile.zip

24th June 2009

24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM FOR MEDIATED ACCESS TO A DATA FACADE ON A MOBILE DEVICE WO 2010/030408 OMA MobAd over DCD v 1.0 TS 1, 3.2, 3.3, 5.1, 5.1.4, 5.2.1, 6.1, 6.1.1, 6.1.3, 6.2.1, 6.2.2, 6.2.1.2, 6.3.1.2, 7, 7.1.3.3.1, 7.3.2.2, 8.1, 8.1.2, 8.2.2.1.2, C1.1 AD 5.2, 5.3.6 RD 3.2 11 june 2009

OMA-CD-MobAd-2009-0123-INP_ MobAd_ over_ DCD_ Application_ Profile_ options; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0124R02-CR_ MobAd_ over_ DCD_ Application_ Profile.zip

24th June 2009

24-Sep-10
Research in Motion Ltd METHODS AND SYSTEMS TO HOLD FUNCTIONS ON A DEVICE AFTER AN IDENTIFIER IS DETERMINED WO 2010/017314 OMA MobAd Core TS V1.0 3.2, 5.1, 5.1.7, 5.1.10, 5.2, 5.2.2.2, 6.4.3.1, 6.4.3.2, 6.4.3.2.1, 6.5.2.1;

OMA MobAd DCD adaptation TS V1.0;

OMA-CD-MobAd-2008-0109-CR_ Ad Engine_ provisioning_ and_ critical_ events 27 may 2008; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0285R01-CR_ MobAd_ Core_ TS_ Suspend_ resume_ and_ capping_ rules.zip

approved 19 oct 2009.

24-Sep-10
Research in Motion Ltd SYSTEMS AND METHODS FOR EVALUATING ADVERTISING METRICS US 2010/0042504 OMA MobAd RD V1.0; OMA MobAd AD V1.0;

OMA MobAd TS V1.0 TS 3.2, 5.1, 5.1.6, 5.2.1.3, 6.4.2.1 RD 3.2; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2008/OMA-CD-MobAd-2008-0085R03-CR_ Identify_ fraudulent_ in_ Call_ Flow_ for_ _ Advertising_ Metrics.zip

20 august 2008;

http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0125R01-CR_ MobAd_ Core_ AdEngine_ metric_ report_ validation_ parameter.zip

24 june 2009

24-Sep-10
Research in Motion Ltd SYSTEMS AND METHODS FOR EVALUATING ADVERTISING METRICS WO 2010/017620 OMA MobAd RD V1.0; OMA MobAd AD V1.0;

OMA MobAd TS V1.0 TS 3.2, 5.1, 5.1.6, 5.2.1.3, 6.4.2.1 RD 3.2; http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2008/OMA-CD-MobAd-2008-0085R03-CR_ Identify_ fraudulent_ in_ Call_ Flow_ for_ _ Advertising_ Metrics.zip

20 august 2008;

http://member.openmobilealliance.org/ftp/Public_ documents/CD/MobAd/2009/OMA-CD-MobAd-2009-0125R01-CR_ MobAd_ Core_ AdEngine_ metric_ report_ validation_ parameter.zip

24 june 2009

24-Sep-10
Research in Motion Ltd METHOD AND APPARATUS FOR TRACKING INTERACTIVE EVENTS RELATED TO ADVERTISING US 2010/0211457 OMA MobAd RD V1.0; OMA MobAd AD V1.0; OMA MobAd TS V1.0;

OMA-TS-MobAd_ Core-V1_ 0-20100126-C;

CD/MobAd/2009/OMA-CD-MobAd-2009-0120R01-CR_ Metrics_ Report_ Structure; TS 3.2, 4, 4.1, 5.2.1.1, 5.2.1.3, 5.3.2, 5.3.3, 6.2.1.2, 6.2.2.1, 6.3.1.1, 6.3.1.2, 6.3.2, 6.3.2.1, 6.4.1.1, 6.4.2, 6.6.1, 6.6.3, 6.6.4;

Figures 1-6; Tables 1,2, 4, 5, 11, 22, 24, 25

24-Sep-10
Research in Motion Ltd METHOD AND APPARATUS FOR TRACKING INTERACTIVE EVENTS RELATED TO ADVERTISING WO 2010/088764 OMA MobAd RD V1.0; OMA MobAd AD V1.0; OMA MobAd TS V1.0;

OMA-TS-MobAd_ Core-V1_ 0-20100126-C;

CD/MobAd/2009/OMA-CD-MobAd-2009-0120R01-CR_ Metrics_ Report_ Structure; TS 3.2, 4, 4.1, 5.2.1.1, 5.2.1.3, 5.3.2, 5.3.3, 6.2.1.2, 6.2.2.1, 6.3.1.1, 6.3.1.2, 6.3.2, 6.3.2.1, 6.4.1.1, 6.4.2, 6.6.1, 6.6.3, 6.6.4;

Figures 1-6; Tables 1,2, 4, 5, 11, 22, 24, 25

24-Sep-10
Research in Motion Ltd SYSTEM AND METHOD FOR REPORTING ADVERTISING METRIC DATA US 12/785088 OMA MobAd V1.0; OMA-CD-MobAd-2009-0141-CR_ MobAd_ Core_ TS_ Ad_ Engine_ Metric_ Type_ report

14 June 2009;

OMA-CD-MobAd-2009-0156R01-CR_ MobAdCore_ AdEngine_ metric_ reporting_ structure

15 July 2009; TS 3.2, 5.1.6, 5.3.3, 5.4.5, 5.6.1, 6.2, 6.2.2.1, 6.3, 6.3.2, 6.3.2.1, 6.4, 6.4.2, 6.4.2.1, Figure 1, 2, 4, 6, Table 1, 5, 13

24-Sep-10
Research in Motion Ltd SYSTEM AND METHOD FOR REPORTING ADVERTISING METRIC DATA WO PCT/CA2010/000767 OMA MobAd V1.0; OMA-CD-MobAd-2009-0141-CR_ MobAd_ Core_ TS_ Ad_ Engine_ Metric_ Type_ report

14 June 2009;

OMA-CD-MobAd-2009-0156R01-CR_ MobAdCore_ AdEngine_ metric_ reporting_ structure

15 July 2009; TS 3.2, 5.1.6, 5.3.3, 5.4.5, 5.6.1, 6.2, 6.2.2.1, 6.3, 6.3.2, 6.3.2.1, 6.4, 6.4.2, 6.4.2.1, Figure 1, 2, 4, 6, Table 1, 5, 13

24-Sep-10
Research in Motion Ltd SYSTEM AND METHOD FOR REMOTE MANAGEMENT OF DYNAMIC ADDRESS BOOK APPLICATION US 12/817069 CAB Management Object (MO) OMA MobAd RD V1.0;

OMA MobAd AD V1.0;

OMA MobAd TS V1.0; TS 3.2, 5.1, 5.1.6, 5.2.1.3, 6.4.2.1 RD 3.2

24-Sep-10
Research in Motion Ltd SYSTEM AND METHOD FOR REMOTE MANAGEMENT OF DYNAMIC ADDRESS BOOK APPLICATION WO PCT/US2010/038862 CAB Management Object (MO) OMA MobAd RD V1.0;

OMA MobAd AD V1.0;

OMA MobAd TS V1.0; TS 3.2, 5.1, 5.1.6, 5.2.1.3, 6.4.2.1 RD 3.2

24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN ORDERED RELATIONSHIPS BETWEEN SERVER AND CLIENT INFORMATION US 12/818756 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1;

OMA-PAG-2009-0267R03-CR_ XDM_ AddrConsistency.doc;

OMA-AD-XDM-V2_ 1-20100521-D ;

OMA-TS-XDM_ Core-V2_ 1-20100525-D TS 3.3, 5.3.1.2, 5.3.1.6, 5.3.1.6.1, 6.2, 6.2.5.2

24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN ORDERED RELATIONSHIPS BETWEEN SERVER AND CLIENT INFORMATION WO PCT/US2010/039189 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1;

OMA-PAG-2009-0267R03-CR_ XDM_ AddrConsistency.doc;

OMA-AD-XDM-V2_ 1-20100521-D ;

OMA-TS-XDM_ Core-V2_ 1-20100525-D TS 3.3, 5.3.1.2, 5.3.1.6, 5.3.1.6.1, 6.2, 6.2.5.2

24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN VALIDITY OF SHARED INFORMATION US 12/817954 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1;

OMA-AD-XDM-V2_ 1-20100521-D; OMA-TS-XDM_ Core-V2_ 1-20100525-D;

OMA-PAG-2009-0265R01-CR_ XDM_ DocValidity.doc AD 3.2, 5.3.1.1, 5.3.1.6.1; TS 3.3, 5.3.1.6, 6.1, 6.2, 6.2.1, 6.2.5.2

US 24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN VALIDITY OF SHARED INFORMATION WO PCT/US2010/039062 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1;

OMA-AD-XDM-V2_ 1-20100521-D; OMA-TS-XDM_ Core-V2_ 1-20100525-D;

OMA-PAG-2009-0265R01-CR_ XDM_ DocValidity.doc AD 3.2, 5.3.1.1, 5.3.1.6.1; TS 3.3, 5.3.1.6, 6.1, 6.2, 6.2.1, 6.2.5.2

WO 24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN ORDERED RELATIONSHIPS BETWEEN SERVER AND CLIENT INFORMATION US 12/818756 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1; OMA-PAG-2009-0267R03-CR_XDM_AddrConsistency.doc; OMA-AD-XDM-V2_1-20100521-D ; OMA-TS-XDM_Core-V2_1-20100525-D TS 3.3, 5.3.1.2, 5.3.1.6, 5.3.1.6.1, 6.2, 6.2.5.2 24-Sep-10
Research in Motion Ltd METHODS AND APPARATUS TO MAINTAIN ORDERED RELATIONSHIPS BETWEEN SERVER AND CLIENT INFORMATION WO PCT/US2010/039189 Open Mobile Alliance (OMA) XML Document Management (XDM) version 2.1; OMA-PAG-2009-0267R03-CR_XDM_AddrConsistency.doc; OMA-AD-XDM-V2_1-20100521-D ; OMA-TS-XDM_Core-V2_1-20100525-D TS 3.3, 5.3.1.2, 5.3.1.6, 5.3.1.6.1, 6.2, 6.2.5.2 24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM TO DISCOVER AND SUBSCRIBE TO AN ENHANCED SYNDICATED FEE US 12/838289 OMA-AD-DCD-V1_0-20081223-C;

OMA-RD-DCD-V1_0-20080911-C; OMA-TS-DCD_ Semantics-V1_0 -20090612-C

24-Sep-10
Research in Motion Ltd METHOD AND SYSTEM TO DISCOVER AND SUBSCRIBE TO AN ENHANCED SYNDICATED FEE WO PCT/CA2010/001096 OMA-AD-DCD-V1_0-20081223-C;

OMA-RD-DCD-V1_0-20080911-C; OMA-TS-DCD_ Semantics-V1_0 -20090612-C

24-Sep-10
Research in Motion Ltd METHOD AND APPARATUS FOR TRACKING DEVICE MANAGEMENT DATA CHANGES EP 2214372 OMA-DM-DeltaRecMO-2011-0036-INP_DeltaRecMO_1.0_ERP_for_Candidate_approval.zip; OMA-ERP-DeltaRecMo-V1_0-20110927-C; OMA-ER-DeltaRecMo-V1_0-20110927-C.doc_TS 1,4,9 6-Mar-13
Research in Motion Ltd METHOD FOR COMMUNICATING DEVICE MANAGEMENT DATA CHANGES WO 2011/120131 OMA-DM-DeltaRecMO-2011-0036-INP_DeltaRecMO_1.0_ERP_for_Candidate_approval.zip; OMA-ERP-DeltaRecMo-V1_0-20110927-C; OMA-ER-DeltaRecMo-V1_0-20110927-C.doc_TS 1,4,9,9.5,9.6 6-Mar-13
Roya Philips NV

France Telecom Inst Rudnfunktechnik GmbH

US Philips Corporation

Philips Electronics NV

Philips Gloeilampenfab NV

Subband coded digital transmission system using some composite signals EP 559824 A2 US 5,539,829

US 5530655
US 5606618

10 May, 2005
Royal Philips NV

ETat francais (CENT)

Telediffusion de France

Digital transmission system using subband coding of a digital signal xz EP 400755 B1

US 5214678
JP 3069611 B2
KR 181292 B2

10 May, 2005
Royal Philips NV

Philips Norden AB

US Philips Corporation

Philips Electronics NV

Encoding and decoding of a wedeband digital information signal WO 9614695 US 5,661,755

EP 738441 B1
JP 3390013 B2

10 May, 2005
Royal Philips NV Arrangement for Independently Requesting a Playing Authorization for a Reproduced Encrypted Information Signal The Netherlands JP99-508360, KR10-1999-7001967 US6308269,

EP0925686

Digital Rights Management, sections 4.2, 4.3, ad 5.5 and Figures 3 and 4. DRM Content Format, section 5.2.4.1 USA, JP, KR, Europe Patent (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE) 22 October, 2004
Royal Philips NV System and Method for Managing Copyrighted Electronic Media The Netherlands US5765152 Digital Rights Management, sections 4.2, 4.3 and 5.5 and Figure 3. DRM Content Format, Table 1 USA 9 February, 2005
Royal Philips NV System and Method for Managing Copyrighted Electonic Media The Netherlands US6807534 Digital Rights Management, section 4.2, 4.3 and 5.5 and Figure 3. DRM Content Format, Table 1 USA 22 October, 2004
Royal Philips NV Coding of stereo signal The Netherlands WO 03/085643-A1 MMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
Royal Philips NV Parametric representation of spatial audio The Netherlands WO 03/090208-A1 MMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
Royal Philips NV Signal synthesizing The Netherlands WO 03/090206-A1 MMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
Royal Philips NV Audio signal synthesizing The Netherlands PCT application IB2004/050436
WO2004093495 A1
MMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
Royal Philips NV Processing of multi-channel signals The Netherlands PCT application
IB2004/050255
WO2004084185 A1
xMMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
Royal Philips NV Encoding audio signals The Netherlands EP application

03103591.8

x MMSG – OMA-MMS-CONF-V1_3-20041210-D according to CR proposal submitted 20-Jan-05 to add Enhanced AAC+ audio codec to MM Content Class Content Rich. Enhanced AAC+ audio codec is defined in 3GPP [TS26140] 10 May, 2005
RSA Security Inc. Client/Server Protocol for Proving Authenticity USA 6,085,320 OMA DRM (phase 2) specification USA 5 June, 2003
RSA Security Inc. Client/Server Protocol for Proving Authenticity USA 6,189,098 OMA DRM (phase 2) specification USA 5 June, 2003
RSA Security Inc. Method of and Apparatus for Providing Secure Distributed Directory Services and Public Key Infrastructure USA 6,249,873 OMA DRM (phase 2) specification USA 5 June, 2003
RSA Security Inc. Method of and Apparatus for Providing Secure Distributed Directory Services and Public Key Infrastructure USA 5,9,22,074 OMA DRM (phase 2) specification USA 5 June, 2003
RSA Security Inc. Method of and Apparatus for Providing Secure Distributed Directory Services and Public Key Infrastructure Australia 739,898 Australia 5 June, 2003
RSA Security Inc. Method of and Apparatus for Providing Secure Distributed Directory Services and Public Key Infrastructure Canada 2,230,304 Canada 5 June, 2003
RSA Security Inc. Method of and Apparatus for Providing Secure Distributed Directory Services and Public Key Infrastructure Japan 47343/1988 Japan 5 June, 2003
Samsung METHOD AND APPARATUS FOR PROCESSING CALL IN PTT OVER CELLULAR (POC) SYSTEM KR P2004-55779 P0793343 OMA-AD-PoC-V1_0_1-20061128-A US, KR, AU, JP, CN, EP July, 2009
Samsung METHOD AND SYSTEM FOR MERGING MULTIPLE PUSH-TO-TALK OVER CELLULAR SESSIONS KR P2004-0060592 P0840365 OMA-RD-PoC-V2_0-20080226-C US, KR,CN, JP, EP July, 2009