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Extract from the Register of European Patents

EP About this file: EP3970376

EP3970376 - METHODS AND APPARATUSES FOR DECODER-SIDE MOTION VECTOR REFINEMENT IN VIDEO CODING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.10.2025
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  25.10.2024
FormerGrant of patent is intended
Status updated on  18.06.2024
FormerExamination is in progress
Status updated on  09.06.2023
FormerRequest for examination was made
Status updated on  18.02.2022
FormerThe international publication has been made
Status updated on  25.12.2020
Most recent event   Tooltip06.02.2026Lapse of the patent in a contracting state
New state(s): MC		published on 11.03.2026  [2026/11]
Applicant(s)For all designated states
Beijing Dajia Internet Information Technology Co., Ltd.
Room 101D1-7, 1st Floor, Building 1
No.6, Shangdi West Road
Haidian District
Beijing 100085 / CN
[2022/12]
Inventor(s)01 / XIU, Xiaoyu
6691 Aliso Valley Way
San Diego, CA 92130 / US
02 / MA, Tsung-Chuan
3535 Lebon Dr, APT 4315
San Diego, CA 92122 / US
03 / WANG, Xianglin
8910 University Center Lane, Suite 400
San Diego, CA 92122 / US
04 / CHEN, Yi-Wen
8910 University Center Lane, Suite 400
San Diego, CA 92122 / US
 [2022/12]
Representative(s)von Tietzen und Hennig, Nikolaus
Lorenz Seidler Gossel
Rechtsanwälte Patentanwälte
Partnerschaft mbB
Widenmayerstraße 23
80538 München / DE
[2022/12]
Application number, filing date20825992.917.06.2020
[2022/12]
WO2020US38253
Priority number, dateUS201962862674P17.06.2019         Original published format: US 201962862674 P
[2022/12]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020257365
Date:24.12.2020
Language:EN
[2020/52]
Type: A1 Application with search report 
No.:EP3970376
Date:23.03.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 24.12.2020 takes the place of the publication of the European patent application.
[2022/12]
Type: B1 Patent specification 
No.:EP3970376
Date:27.11.2024
Language:EN
[2024/48]
Search report(s)International search report - published on:KR24.12.2020
(Supplementary) European search report - dispatched on:EP12.10.2022
ClassificationIPC:H04N19/513
[2022/32]
CPC:
H04N19/44 (EP,US); H04N19/513 (EP,KR,US); H04N19/139 (CN,KR,US);
H04N19/105 (KR); H04N19/119 (KR); H04N19/132 (US);
H04N19/176 (CN,KR,US); H04N19/189 (US); H04N19/521 (EP);
H04N19/523 (EP); H04N19/567 (EP) (-)
Former IPC [2022/12]H04N19/573, H04N19/513, H04N19/105, H04N19/107, H04N19/176
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 [2022/12]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN UND VORRICHTUNGEN ZUR DECODER-SEITIGEN BEWEGUNGSVEKTORVERFEINERUNG IN DER VIDEOCODIERUNG[2022/12]
English:METHODS AND APPARATUSES FOR DECODER-SIDE MOTION VECTOR REFINEMENT IN VIDEO CODING[2022/12]
French:PROCÉDÉS ET APPAREILS POUR UN AFFINEMENT DE VECTEUR DE MOUVEMENT CÔTÉ DÉCODEUR CONDITIONNEL DANS UN CODAGE VIDÉO[2022/12]
Entry into regional phase17.12.2021National basic fee paid 
17.12.2021Search fee paid 
17.12.2021Designation fee(s) paid 
17.12.2021Examination fee paid 
Examination procedure17.12.2021Examination requested  [2022/12]
14.04.2023Amendment by applicant (claims and/or description)
13.06.2023Despatch of a communication from the examining division (Time limit: M04)
27.09.2023Reply to a communication from the examining division
03.05.2024Date of oral proceedings
19.06.2024Communication of intention to grant the patent
17.10.2024Fee for grant paid
17.10.2024Fee for publishing/printing paid
17.10.2024Receipt of the translation of the claim(s)
21.10.2024Minutes of oral proceedings despatched
Divisional application(s)EP24206851.8  / EP4468709
Opposition(s)28.08.2025No opposition filed within time limit [2025/45]
Fees paidRenewal fee
31.03.2022Renewal fee patent year 03
31.03.2023Renewal fee patent year 04
25.06.2024Renewal fee patent year 05
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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  TooltipCZ27.11.2024
HR27.11.2024
MC27.11.2024
PL27.11.2024
SK27.11.2024
SM27.11.2024
NO27.02.2025
RS27.02.2025
GR28.02.2025
IS27.03.2025
[2026/11]
Former [2025/36]CZ27.11.2024
HR27.11.2024
PL27.11.2024
SK27.11.2024
SM27.11.2024
NO27.02.2025
RS27.02.2025
GR28.02.2025
IS27.03.2025
Former [2025/32]HR27.11.2024
PL27.11.2024
SM27.11.2024
NO27.02.2025
RS27.02.2025
GR28.02.2025
IS27.03.2025
Former [2025/23]HR27.11.2024
PL27.11.2024
NO27.02.2025
RS27.02.2025
GR28.02.2025
IS27.03.2025
Former [2025/22]HR27.11.2024
NO27.02.2025
GR28.02.2025
IS27.03.2025
Former [2025/21]HR27.11.2024
IS27.03.2025
Documents cited:Search[A] US2006222074  (ZHANG BO et al.) [A] 1-9,12-15 * [0061]; figure 9 *
 [XPI]   Y-W CHEN (KWAI) ET AL: "Non-CE9: Improvement of DMVR", no. JVET-O0590; JVET-O0590 ; m48729, 26 June 2019 (2019-06-26), pages 1 - 2, XP030219991, Retrieved from the Internet [retrieved on 20190626] [XP] 1-3,5,12-15 * abstract * * sections 1, 2, 4 * [I] 4,6-9
 [XI]   CHEN J ET AL: "Algorithm description of Joint Exploration Test Model 6 (JEM6)", no. m40750, 30 June 2017 (2017-06-30), XP030259410, Retrieved from the Internet [retrieved on 20170630] [X] 1,8,12-15 * first six paragraphs in section 2.3.7, middle paragraph in subsection 2.3.7.4; figure 20 *[I] 2-7,9
 [A]   ESENLIK (HUAWEI) S ET AL: "CE9: DMVR with Bilateral Matching (Test 2.9)", no. JVET-K0217, 2 July 2018 (2018-07-02), XP030198732, Retrieved from the Internet [retrieved on 20180702] [A] 1-9,12-15 * sections 1-3 *
International search[AX] US2018359483  (CHEN YI-WEN et al.) [A] 6-8,10-11,18-20,22-23,30-32,34-35 [X] 1-5,9,12-17,21,24-29,33,36
 [A] US2018184117  (CHEN CHING-YEH et al.) [A] 1-36
 [A] US2019132606  (SU YU-CHI et al.) [A] 1-36
 [A] US2015382012  (HUSSAIN ZAHID et al.) [A] 1-36
 CN109672894  (TENCENT TECH SHENZHEN CO LTD et al.)
by applicant  CHEN J ET AL.: "Algorithm description of Joint Exploration Test Model 6 (JEM6", MPEG MEETING, 30 June 2017 (2017-06-30), pages 20170403 - 20170407 [X] 1-5,9,12-17,21,24-29,33,36
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.