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Extract from the Register of European Patents

EP About this file: EP4552387

EP4552387 - METHODS FOR HANDLING NAS MESSAGES FOR UES USING SATELLITE ACCESS FROM A NON-ALLOWED LOCATION [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  11.04.2025
Database last updated on 14.03.2026
FormerThe international publication has been made
Status updated on  20.02.2024
Most recent event   Tooltip17.10.2025Change: Validation statespublished on 19.11.2025  [2025/47]
17.10.2025Change - extension statespublished on 19.11.2025  [2025/47]
Applicant(s)For all designated states
Samsung Electronics Co., Ltd.
129, Samsung-ro
Yeongtong-gu
Suwon-si, Gyeonggi-do 16677 / KR
[2025/20]
Inventor(s)01 / WATFA, Mahmoud
Suwon-si, Gyeonggi-do, 16677 / KR
02 / KHIRALLAH, Chadi
Suwon-si, Gyeonggi-do, 16677 / KR
03 / KUMAR, Lalith
Suwon-si, Gyeonggi-do, 16677 / KR
 [2025/20]
Representative(s)Gulde & Partner
Patent- und Rechtsanwaltskanzlei mbB
Berliner Freiheit 2
10785 Berlin / DE
[2025/20]
Application number, filing date23853046.310.08.2023
[2025/20]
WO2023KR11879
Priority number, dateIN20223104570410.08.2022         Original published format: IN202231045704
GB2023001050107.07.2023         Original published format: GB 202310501
[2025/20]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024035179
Date:15.02.2024
Language:EN
[2024/07]
Type: A1 Application with search report 
No.:EP4552387
Date:14.05.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 15.02.2024 takes the place of the publication of the European patent application.
[2025/20]
Search report(s)International search report - published on:KR15.02.2024
(Supplementary) European search report - dispatched on:EP24.09.2025
ClassificationIPC:H04W48/04, H04W60/00, H04W60/04, // H04W84/04
[2025/43]
CPC:
H04W48/04 (EP,GB,KR,US); H04W48/12 (GB); H04W48/16 (GB);
H04W60/00 (EP,KR,US); H04W60/04 (EP); H04W64/00 (KR);
H04W76/10 (KR); H04W76/30 (KR); H04W8/02 (KR);
H04W84/06 (GB,KR); H04B7/1853 (GB); H04W84/042 (EP,US) (-)
Former IPC [2025/20]H04W48/04, H04W8/02, H04W64/00, H04W84/06, H04W88/14
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/20]
TitleGerman:VERFAHREN ZUR HANDHABUNG VON NAS-NACHRICHTEN FÜR BENUTZERGERÄTE MIT SATELLITENZUGRIFF AUS EINEM UNZULÄSSIGEN STANDORT[2025/20]
English:METHODS FOR HANDLING NAS MESSAGES FOR UES USING SATELLITE ACCESS FROM A NON-ALLOWED LOCATION[2025/20]
French:PROCÉDÉS DE GESTION DE MESSAGES NAS POUR DES UE AU MOYEN D'UN ACCÈS PAR SATELLITE À PARTIR D'UN EMPLACEMENT NON AUTORISÉ[2025/20]
Entry into regional phase07.02.2025National basic fee paid 
07.02.2025Search fee paid 
07.02.2025Designation fee(s) paid 
07.02.2025Examination fee paid 
Examination procedure07.02.2025Amendment by applicant (claims and/or description)
07.02.2025Examination requested  [2025/20]
Fees paidRenewal fee
22.08.2025Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XY] US2022232463  (SADIQUE MOHAMMED et al.) [X] 1-2,4-5,10,12 * paragraphs [0078] - [0194] *[Y] 3,6,11,13
 [Y] US2021258859  (WATFA MAHMOUD et al.) [Y] 3,6,11,13 * paragraphs [0032] - [0201] *
 [I]   "Universal Mobile Telecommunications System(UMTS) ;LTE ;5G ; Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3 (3GPP TS 24.301 version 17.7.0 Release 17)", vol. 3GPP CT, no. V17.7.0, 21 July 2022 (2022-07-21), pages 1 - 612, XP014436310, Retrieved from the Internet [retrieved on 20220721] [I] 7-9,14-15 * section 1 * * sections 4.11 to 4.11.2 * * section 4.4.4.3 * * sections 5 to 5.1.2 * * sections 5.5.1.2 to 5.5.1.2.2 * * section 6.1.2 *
International search[A] US2018376444  (KIM TAEHUN et al.) [A] 1-15 * paragraphs [0450]-[0544]; and figures 15-16 *
 [X]   SHUICHIRO CHIBA, SHARP: "Editorial corrections to TS 24.501", 3GPP TSG-CT WG1 MEETING #137-E, C1-224591, 9 August 2022 (2022-08-09), XP052185432 [X] 1-15 * sections 5.5.1.3.2, 5.5.1.3.5 *
 [A]   APPLE, XIAOMI: "Introduction of multiple TAC concept for satellite NG-RAN cells", 3GPP TSG-CT WG1 MEETING #135-E, C1-223056, 9 April 2022 (2022-04-09), XP052134876 [A] 1-15 * section 5.3.5.2 *
 [A]   XIAOMI: "Country of UE location indication", 3GPP TSG-CT WG1 MEETING #133-E, C1-216689, 4 November 2021 (2021-11-04), XP052178755 [A] 1-15 * sections 4.23.2, 5.4.5.3.2 *
 [A]   ERICSSON: "UE location verification handling", 3GPP TSG SA WG2 MEETING #147E, S2-2107230, 11 October 2021 (2021-10-11), XP052061459 [A] 1-15 * sections 4.2.2.2.2, 4.2.3.2, 4.3.2.2.1 *
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