Method For Image Decoding

Patent No. EP3675491 (titled "Method For Image Decoding") was filed by Dolby on Nov 6, 2012. The application was issued on Oct 13, 2021.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
UNIFIED PATENTS	Jul 13, 2022	HGF

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Aug 7, 2025
Decision of the Board of Appeal
Aug 7, 2025
F3032 Notification(s) of the decision
Aug 7, 2025
F3032 Notification(s) of the decision
Jul 16, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 16, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 16, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Jul 4, 2025
(Electronic) Receipt
Jul 4, 2025
F3345 Forwarding of submissions to parties
Jul 4, 2025
Letter accompanying subsequently filed items
Jul 4, 2025
Letter relating to Appeal Procedure
Jun 13, 2025
F3018 Oral proceedings: Confirmation interpreters
Jun 13, 2025
F3018 Oral proceedings: Confirmation interpreters
Jun 13, 2025
F3345 Forwarding of submissions to parties
Jun 9, 2025
(Electronic) Receipt
Jun 9, 2025
Letter accompanying subsequently filed items
Jun 9, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
Amended claims with annotations
Jun 6, 2025
Amended claims with annotations
Jun 6, 2025
Amended claims with annotations
Jun 6, 2025
Amended claims with annotations
Jun 6, 2025
Auxiliary request during appeals procedure - 03
Jun 6, 2025
Auxiliary request during appeals procedure - 08
Jun 6, 2025
Auxiliary request during appeals procedure - 09
Jun 6, 2025
Letter accompanying subsequently filed items
Jun 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 6, 2025
Letter relating to Appeal Procedure
Jun 6, 2025
Main request during appeals procedure
Feb 19, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 19, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 11, 2024
F3022 Oral proceedings: change of board composition
Nov 11, 2024
F3022 Oral proceedings: change of board composition
Nov 6, 2024
F3303.16 Change of composition of the Board (T)
Sep 16, 2024
F3011.1 Oral Proceedings: summons
Sep 16, 2024
F3011.1 Oral Proceedings: summons
Sep 9, 2024
Standard Communication Rule 103 (2) EPC
Sep 9, 2024
Standard Communication Rule 103 (2) EPC
Sep 6, 2024
F3010 Oral proceedings: order for summons
Sep 3, 2024
Composition of the board (T)
Aug 22, 2024
F3345 Forwarding of submissions to parties
Aug 15, 2024
(Electronic) Receipt
Aug 15, 2024
Cited document during appeal procedure
Aug 15, 2024
Letter accompanying subsequently filed items
Aug 15, 2024
Reply to appeal
Apr 26, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 22, 2024
(Electronic) Receipt
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Amended claims with annotations
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Annexes (other than cited documents) regarding appeal procedure
Apr 22, 2024
Auxiliary request during appeals procedure - 01
Apr 22, 2024
Auxiliary request during appeals procedure - 01
Apr 22, 2024
Auxiliary request during appeals procedure - 02
Apr 22, 2024
Auxiliary request during appeals procedure - 02
Apr 22, 2024
Auxiliary request during appeals procedure - 03
Apr 22, 2024
Auxiliary request during appeals procedure - 03
Apr 22, 2024
Auxiliary request during appeals procedure - 04
Apr 22, 2024
Auxiliary request during appeals procedure - 04
Apr 22, 2024
Auxiliary request during appeals procedure - 05
Apr 22, 2024
Auxiliary request during appeals procedure - 05
Apr 22, 2024
Auxiliary request during appeals procedure - 06
Apr 22, 2024
Auxiliary request during appeals procedure - 06
Apr 22, 2024
Auxiliary request during appeals procedure - 07
Apr 22, 2024
Auxiliary request during appeals procedure - 07
Apr 22, 2024
Auxiliary request during appeals procedure - 08
Apr 22, 2024
Claims
Apr 22, 2024
Letter accompanying subsequently filed items
Apr 22, 2024
Statement of grounds of appeal
Mar 21, 2024
F3204 Communication of the file number to the parties
Feb 19, 2024
(Electronic) Receipt
Feb 19, 2024
Letter accompanying subsequently filed items
Feb 19, 2024
Notice of appeal
Dec 21, 2023
Annex to the communication - opposition
Dec 21, 2023
Decision revoking the European patent
Dec 21, 2023
Decision revoking the European patent
Dec 21, 2023
Grounds for the decision (Annex) - opposition
Dec 21, 2023
Means of redress
Dec 21, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 21, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 21, 2023
Provision of a copy of the minutes - opposition procedure
Dec 21, 2023
Provision of a copy of the minutes - opposition procedure
Dec 21, 2023
Scanned annex to a communication - opposition procedure
Dec 21, 2023
Scanned annex to a communication - opposition procedure
Dec 21, 2023
Transmittal of decision / summons - opposition
Dec 21, 2023
Transmittal of decision / summons - opposition
Dec 20, 2023
Decision of the Opposition Division and instruction
Nov 30, 2023
Information about the result of oral proceedings
Nov 29, 2023
Result of consultation by telephone/in person
Nov 27, 2023
Brief communication - Opposition proceedings
Nov 23, 2023
(Electronic) Receipt
Nov 23, 2023
Letter accompanying subsequently filed items
Nov 23, 2023
Written submission in preparation to/during oral proceedings
Nov 9, 2023
Brief communication - Opposition proceedings
Nov 6, 2023
Brief communication - Opposition proceedings
Nov 3, 2023
(Electronic) Receipt
Nov 3, 2023
Citation in opposition procedure - 024
Nov 3, 2023
Consolidated list of cited opposition documents
Nov 3, 2023
Letter accompanying subsequently filed items
Nov 3, 2023
Written submission in preparation to/during oral proceedings
Oct 19, 2023
Brief communication - Opposition proceedings
Oct 19, 2023
Brief communication - Opposition proceedings
Oct 10, 2023
Brief communication - Opposition proceedings
Oct 6, 2023
Brief communication - Opposition proceedings
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Amended claims with annotations
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure
Sep 29, 2023
Auxiliary request during Opposition procedure - 01
Sep 29, 2023
Auxiliary request during Opposition procedure - 02
Sep 29, 2023
Auxiliary request during Opposition procedure - 03
Sep 29, 2023
Auxiliary request during Opposition procedure - 04
Sep 29, 2023
Auxiliary request during Opposition procedure - 05
Sep 29, 2023
Auxiliary request during Opposition procedure - 06
Sep 29, 2023
Auxiliary request during Opposition procedure - 07
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Main request during Opposition procedure
Sep 29, 2023
Main request during Opposition procedure
Sep 29, 2023
Main request during Opposition procedure
Sep 29, 2023
Request for interpreters during oral proceedings
Sep 29, 2023
Written submission in preparation to/during oral proceedings
Sep 29, 2023
Written submission in preparation to/during oral proceedings
Sep 25, 2023
Advice of delivery
Apr 14, 2023
Annex to the communication - opposition
Apr 14, 2023
Information concerning oral proceedings
Apr 14, 2023
Scanned annex to a communication - opposition procedure
Apr 14, 2023
Summons to attend oral proceedings
Apr 14, 2023
Summons to attend oral proceedings
Apr 14, 2023
Transmittal of decision / summons - opposition
Apr 14, 2023
Transmittal of decision / summons - opposition
Dec 12, 2022
Brief communication - Opposition proceedings
Dec 7, 2022
(Electronic) Receipt
Dec 7, 2022
Citation in opposition procedure - 021
Dec 7, 2022
Citation in opposition procedure - 022
Dec 7, 2022
Citation in opposition procedure - 023
Dec 7, 2022
Letter accompanying subsequently filed items
Dec 7, 2022
Main request during Opposition procedure
Dec 7, 2022
Main request during Opposition procedure
Dec 7, 2022
Reply of the patent proprietor to the notice(s) of opposition
Dec 5, 2022
Brief communication - Opposition proceedings
Oct 17, 2022
Communication of the registration of a transfer or change of name and/or address
Oct 10, 2022
Annexes in respect of a client data request
Oct 10, 2022
Submission concerning change of proprietor's address
Sep 13, 2022
(Electronic) Receipt
Sep 13, 2022
Letter relating to refund instructions (deposit account)
Sep 2, 2022
Brief communication - Opposition proceedings
Sep 2, 2022
Communication of amended entries concerning the representative
Aug 25, 2022
(Electronic) Receipt
Aug 25, 2022
Letter accompanying subsequently filed items
Aug 25, 2022
Submission concerning change of proprietor's representative
Aug 17, 2022
Brief communication - Opposition proceedings
Aug 17, 2022
Communication confirming withdrawal from representation
Aug 17, 2022
Communication of amended entries concerning the representative
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Submission concerning change of proprietor's representative
Jul 28, 2022
Communication of a notice of opposition and request to file observations
Jul 28, 2022
Notice of further oppositions to opponent(s)
Jul 13, 2022
(Electronic) Receipt
Jul 13, 2022
Citation in opposition procedure - 001
Jul 13, 2022
Citation in opposition procedure - 002
Jul 13, 2022
Citation in opposition procedure - 003
Jul 13, 2022
Citation in opposition procedure - 004
Jul 13, 2022
Citation in opposition procedure - 005
Jul 13, 2022
Citation in opposition procedure - 006
Jul 13, 2022
Citation in opposition procedure - 007
Jul 13, 2022
Citation in opposition procedure - 008
Jul 13, 2022
Citation in opposition procedure - 009
Jul 13, 2022
Citation in opposition procedure - 010
Jul 13, 2022
Citation in opposition procedure - 011
Jul 13, 2022
Citation in opposition procedure - 012
Jul 13, 2022
Citation in opposition procedure - 013
Jul 13, 2022
Citation in opposition procedure - 014
Jul 13, 2022
Citation in opposition procedure - 015
Jul 13, 2022
Citation in opposition procedure - 016
Jul 13, 2022
Citation in opposition procedure - 017
Jul 13, 2022
Citation in opposition procedure - 018
Jul 13, 2022
Citation in opposition procedure - 019
Jul 13, 2022
Citation in opposition procedure - 020
Jul 13, 2022
Letter accompanying subsequently filed items
Jul 13, 2022
Notice of opposition
Jul 13, 2022
Notice of opposition
Apr 7, 2022
Communication of the registration of a transfer or change of name and/or address
Apr 1, 2022
Letter accompanying subsequently filed items
Apr 1, 2022
Submission concerning change of proprietor's address
Oct 26, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 16, 2021
Decision to grant a European patent
Sep 6, 2021
(Electronic) Receipt
Sep 6, 2021
English translation of the claims
Sep 6, 2021
Filing of the translations of the claims
Sep 6, 2021
German translation of the claims
Sep 6, 2021
Letter accompanying subsequently filed items
May 10, 2021
Bibliographic data of the European patent application
May 10, 2021
Communication about intention to grant a European patent
May 10, 2021
Intention to grant (signatures)
May 10, 2021
Text intended for grant (clean copy)
May 10, 2021
Text intended for grant (version for approval)
Apr 15, 2021
Examination started
Nov 26, 2020
(Electronic) Receipt
Nov 26, 2020
Letter accompanying subsequently filed items
Nov 26, 2020
Maintenance of the application
Sep 15, 2020
Communication of amended entries concerning the representative
Sep 10, 2020
Submission concerning change of applicant's representative
Jul 6, 2020
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jun 5, 2020
Refund of fees
Jun 4, 2020
Communication regarding the transmission of the European search report
Jun 4, 2020
European search opinion
Jun 4, 2020
European search report
Jun 4, 2020
Information on Search Strategy
Jun 4, 2020
Notification of forthcoming publication
Apr 7, 2020
Communication to designated inventor
Apr 7, 2020
Communication to designated inventor
Mar 9, 2020
Search started
Feb 28, 2020
Refund of fees
Feb 21, 2020
Priority search results copy provided by EPO
Feb 13, 2020
Abstract
Feb 13, 2020
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 13, 2020
Claims
Feb 13, 2020
Description
Feb 13, 2020
Designation of inventor
Feb 13, 2020
Drawings
Feb 13, 2020
Request for grant of a European patent
Oct 10, 2018
Priority search results copy provided by EPO
Jun 7, 2013
Priority document (electronically transmitted)

EP3675491

DOLBY

Application Number: EP20157173A
Filing Date: Nov 6, 2012
Status: Revoked; Aug 15, 2025
Publication Date: Oct 13, 2021
External Links: Slate, Register , Google Patents

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Method For Image Decoding

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Dossier Documents

EP3675491