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Extract from the Register of European Patents

EP About this file: EP2820571

EP2820571 - RECOMMENDER CONTROL SYSTEM, APPARATUS, METHOD AND RELATED ASPECTS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.04.2025
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  03.05.2024
FormerGrant of patent is intended
Status updated on  14.01.2024
FormerExamination is in progress
Status updated on  15.06.2018
Most recent event   Tooltip23.01.2026Lapse of the patent in a contracting state
New state(s): BE, IE		published on 25.02.2026  [2026/09]
Applicant(s)For all designated states
British Telecommunications public limited company
1 Braham Street
London E1 8EE / GB
[2022/07]
Former [2018/01]For all designated states
British Telecommunications public limited company
81 Newgate Street
London EC1A 7AJ / GB
Former [2015/02]For all designated states
British Telecommunications Public Limited Company
81 Newgate Street
London EC1A 7AJ / GB
Inventor(s)01 / KEGEL, Ian Christopher
PP: C5A
81 Newgate Street
London EC1A 7AJ / GB
02 / JAMBOR, Tamas
PP: C5A
81 Newgate Street
London EC1A 7AJ / GB
03 / WANG, Jun
PP: C5A
81 Newgate Street
London EC1A 7AJ / GB
 [2015/02]
Representative(s)British Telecommunications public limited company Intellectual Property Department
9th Floor
One Braham
Braham Street
London E1 8EE / GB
[2024/23]
Former [2015/02]Tuckett, William John
BT Legal
Intellectual Property Department
PP: C5A, BT Centre
81 Newgate Street
London EC1A 7AJ / GB
Application number, filing date13708214.527.02.2013
[2024/23]
WO2013GB00079
Priority number, dateEP2012025004629.02.2012         Original published format: EP 12250046
[2015/02]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013128154
Date:06.09.2013
Language:EN
[2013/36]
Type: A1 Application with search report 
No.:EP2820571
Date:07.01.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 06.09.2013 takes the place of the publication of the European patent application.
[2015/02]
Type: B1 Patent specification 
No.:EP2820571
Date:05.06.2024
Language:EN
[2024/23]
Search report(s)International search report - published on:EP06.09.2013
ClassificationIPC:G06F16/735, G06F16/24, H04N21/25, H04N21/442, H04N21/466
[2024/03]
CPC:
G06F16/735 (EP,US); G06F16/24 (EP,US); G06N20/00 (US);
G06N5/04 (US); H04N21/251 (EP,US); H04N21/44204 (EP,US);
H04N21/4668 (EP,US) (-)
Former IPC [2015/02]G06F17/30, H04N21/466
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2015/02]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:SYSTEM, VORRICHTUNG UND VERFAHREN ZUM STEUERN EINES EMPFEHLUNGSSYSTEMS[2024/03]
English:RECOMMENDER CONTROL SYSTEM, APPARATUS, METHOD AND RELATED ASPECTS[2015/02]
French:SYSTÈME, DISPOSITIF ET PROCÉDÉ POUR CONTRÔLER UN SYSTÈME DE RECOMMANDATION[2024/03]
Former [2015/02]STEUERSYSTEM FÜR EINEN EMPFEHLER, VORRICHTUNG, VERFAHREN UND ZUGEHÖRIGE ASPEKTE
Former [2015/02]SYSTÈME DE GESTION DES RECOMMANDATIONS, APPAREIL, PROCÉDÉ ET ASPECTS CONNEXES
Entry into regional phase28.07.2014National basic fee paid 
28.07.2014Designation fee(s) paid 
28.07.2014Examination fee paid 
Examination procedure28.07.2014Amendment by applicant (claims and/or description)
28.07.2014Examination requested  [2015/02]
18.06.2018Despatch of a communication from the examining division (Time limit: M04)
04.10.2018Reply to a communication from the examining division
11.05.2020Date of oral proceedings
17.09.2020Minutes of oral proceedings despatched
22.09.2020Despatch of communication that the application is refused, reason: substantive examination {1}
04.12.2023Despatch of a communication from the examining division (Time limit: M02)
05.12.2023Reply to a communication from the examining division
15.01.2024Communication of intention to grant the patent
29.04.2024Fee for grant paid
29.04.2024Fee for publishing/printing paid
29.04.2024Receipt of the translation of the claim(s)
Appeal following examination18.11.2020Appeal received No.  T0183/21
21.01.2021Statement of grounds filed
29.09.2023Result of appeal procedure: continuation of examination procedure
28.11.2023Despatch of the decision of the Board of Appeal
29.09.2023Date of oral proceedings
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  18.06.2018
Opposition(s)06.03.2025No opposition filed within time limit [2025/20]
Fees paidRenewal fee
08.12.2014Renewal fee patent year 03
30.11.2015Renewal fee patent year 04
30.11.2016Renewal fee patent year 05
30.11.2017Renewal fee patent year 06
30.11.2018Renewal fee patent year 07
30.12.2019Renewal fee patent year 08
31.12.2020Renewal fee patent year 09
06.12.2021Renewal fee patent year 10
08.12.2022Renewal fee patent year 11
30.11.2023Renewal fee patent year 12
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
MC05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SE05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
IE27.02.2025
LU27.02.2025
BE28.02.2025
CH28.02.2025
[2026/09]
Former [2025/48]AT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
MC05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SE05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
LU27.02.2025
CH28.02.2025
Former [2025/47]AT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
MC05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SE05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
LU27.02.2025
Former [2025/43]AT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
MC05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SE05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/42]AT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SE05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/21]AT05.06.2024
BG05.06.2024
CZ05.06.2024
DK05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/11]AT05.06.2024
BG05.06.2024
CZ05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
IT05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/10]AT05.06.2024
BG05.06.2024
CZ05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
RO05.06.2024
SK05.06.2024
SM05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/09]AT05.06.2024
BG05.06.2024
EE05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
IS05.10.2024
PT07.10.2024
Former [2025/08]BG05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NL05.06.2024
PL05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
PT07.10.2024
Former [2025/03]BG05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NL05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
PT07.10.2024
Former [2024/52]BG05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NL05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
Former [2024/49]BG05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
LV05.06.2024
NO05.09.2024
RS05.09.2024
GR06.09.2024
Former [2024/48]BG05.06.2024
ES05.06.2024
FI05.06.2024
HR05.06.2024
NO05.09.2024
GR06.09.2024
Former [2024/47]BG05.06.2024
FI05.06.2024
HR05.06.2024
NO05.09.2024
GR06.09.2024
Former [2024/46]BG05.06.2024
FI05.06.2024
HR05.06.2024
NO05.09.2024
Cited inInternational search[XI] US2002161664  (SHAYA STEVEN A et al.)
 [XP]   TAMAS JAMBOR ET AL: "Using Control Theory for Stable and Efficient Recommender Systems", PROCEEDINGS OF THE 21ST INTERNATIONAL CONFERENCE ON WORLD WIDE WEB, WWW '12, 16 April 2012 (2012-04-16), New York, New York, USA, pages 11 - 20, XP055062512, ISBN: 978-1-45-031229-5, Retrieved from the Internet [retrieved on 20130510], DOI: 10.1145/2187836.2187839

DOI:   http://dx.doi.org/10.1145/2187836.2187839
 [AD]   ZANARDI V. ET AL: "Dynamic Updating of Online Recommender Systems via Feed-Forward Controllers", SEAMS '11 PROCEEDINGS OF THE 6TH INTERNATIONAL SYMPOSIUM ON SOFTWARE ENGINEERING FOR ADAPTIVE AND SELF-MANAGING SYSTEMS, 23 May 2011 (2011-05-23), pages 11 - 19, XP055029033, ISBN: 978-1-45-030575-4, Retrieved from the Internet [retrieved on 20120605], DOI: 10.1145/1988008.1988011

DOI:   http://dx.doi.org/10.1145/1988008.1988011
 [AD]   ADOMAVICIUS G ET AL: "Toward the Next Generation of Recommender Systems: A Survey of the State-of-the-Art and Possible Extensions", IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, IEEE SERVICE CENTER, LOS ALAMITOS, CA, US, vol. 17, no. 6, 1 June 2005 (2005-06-01), pages 734 - 749, XP011130675, ISSN: 1041-4347, DOI: 10.1109/TKDE.2005.99

DOI:   http://dx.doi.org/10.1109/TKDE.2005.99
by applicantUS2002161664
   ADOMAVICIUS, G.; TUZHILIN: "A. Towards the Next Generation of Recommender Systems: A Survey of the State-of-the-Art and Possible Extensions", IEEE TKDE, 2005
   PAREKH, S.; GANDHI, N.; HELLERSTEIN, J.; TILBURY, D.; JAYRAM, T.; BIGUS, J.: "Using Control Theory to Achieve Service Level Objectives In Performance Management", REAL TIME SYSTEMS, 2002
   ZANARDI, V.; CAPRA, L.: "Dynamic updating of online recommender systems via feed-forward controllers", IN PROC. OF SEAMS, 2011
   MENG, K; WANG, Y.; ZHANG, X; XIAO, X. C.; DU ZHANG, G: "Control theory based rating recommendation for reputation systems", PROC. OF ICNSC, 2006
   JONATHAN L. HERLOCKER: "Evaluating Collaborative Filtering Recommender Systems", vol. 22, January 2004, ACM TRANSACTIONS ON INFORMATION SYSTEMS, pages: 5 - 53
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.