Method For Producing Methacrylic Acid Ester

Patent No. EP2848694 (titled "Method For Producing Methacrylic Acid Ester") was filed by Mitsubishi Chemical on Sep 10, 2013. The application was issued on Aug 1, 2018.

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
FORRESTERS	Apr 26, 2019	FORRESTERS

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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Feb 28, 2025
Decision of the Board of Appeal
Feb 28, 2025
F3032 Notification(s) of the decision
Feb 28, 2025
F3032 Notification(s) of the decision
Feb 4, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 4, 2025
F3013 Oral Proceedings: Forwarding minutes
Feb 4, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 3, 2025
F3345 Forwarding of submissions to parties
Dec 20, 2024
(Electronic) Receipt
Dec 20, 2024
Letter accompanying subsequently filed items
Dec 20, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 12, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 10, 2024
F3345 Forwarding of submissions to parties
Dec 5, 2024
(Electronic) Receipt
Dec 5, 2024
Letter accompanying subsequently filed items
Dec 5, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 4, 2024
(Electronic) Receipt
Dec 4, 2024
Letter accompanying subsequently filed items
Oct 25, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 25, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 18, 2024
(Electronic) Receipt
Apr 18, 2024
F3011.2 Oral Proceedings: Summons VICO
Apr 18, 2024
F3011.2 Oral Proceedings: Summons VICO
Apr 18, 2024
Letter accompanying subsequently filed items
Apr 15, 2024
F3010 Oral proceedings: order for summons
Mar 19, 2024
F3303.16 Change of composition of the Board (T)
Mar 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 18, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 18, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Mar 18, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Mar 18, 2024
F3313 Order: change of Board due to the technical aspects of the appeal
Mar 13, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Nov 13, 2023
F3011.1 Oral Proceedings: summons
Nov 13, 2023
F3011.1 Oral Proceedings: summons
Nov 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 8, 2023
Composition of the board (T)
Nov 8, 2023
F3010 Oral proceedings: order for summons
Apr 13, 2023
F3345 Forwarding of submissions to parties
Apr 6, 2023
(Electronic) Receipt
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Amended claims with annotations
Apr 6, 2023
Annexes (other than cited documents) regarding appeal procedure
Apr 6, 2023
Auxiliary request during appeals procedure - 01
Apr 6, 2023
Auxiliary request during appeals procedure - 02
Apr 6, 2023
Auxiliary request during appeals procedure - 03
Apr 6, 2023
Auxiliary request during appeals procedure - 04
Apr 6, 2023
Auxiliary request during appeals procedure - 05
Apr 6, 2023
Auxiliary request during appeals procedure - 06
Apr 6, 2023
Auxiliary request during appeals procedure - 07
Apr 6, 2023
Citation in appeal procedure - 020
Apr 6, 2023
Citation in appeal procedure - 021
Apr 6, 2023
Consolidated list of documents cited in appeal procedure
Apr 6, 2023
Letter accompanying subsequently filed items
Apr 6, 2023
Reply to appeal
Nov 28, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 23, 2022
(Electronic) Receipt
Nov 23, 2022
Citation in appeal procedure - 018
Nov 23, 2022
Citation in appeal procedure - 019
Nov 23, 2022
Consolidated list of documents cited in appeal procedure
Nov 23, 2022
Letter accompanying subsequently filed items
Nov 23, 2022
Statement of grounds of appeal
Oct 6, 2022
F3345 Forwarding of submissions to parties
Sep 30, 2022
(Electronic) Receipt
Sep 30, 2022
Letter accompanying subsequently filed items
Sep 30, 2022
Letter relating to Appeal Procedure
Sep 13, 2022
F3204 Communication of the file number to the parties
Sep 13, 2022
F3204 Communication of the file number to the parties
Aug 31, 2022
(Electronic) Receipt
Aug 31, 2022
Letter accompanying subsequently filed items
Aug 31, 2022
Notice of appeal
Jul 19, 2022
Advice of delivery
Jul 18, 2022
Advice of delivery
Jul 13, 2022
Annex to the communication - opposition
Jul 13, 2022
Decision of the Opposition Division and instruction
Jul 13, 2022
Decision rejecting the opposition
Jul 13, 2022
Decision rejecting the opposition
Jul 13, 2022
Grounds for the decision (Annex) - opposition
Jul 13, 2022
Means of redress
Jul 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 13, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 13, 2022
Provision of a copy of the minutes - opposition procedure
Jul 13, 2022
Provision of a copy of the minutes - opposition procedure
Jul 13, 2022
Scanned annex to a communication - opposition procedure
Jul 13, 2022
Scanned annex to a communication - opposition procedure
Jul 13, 2022
Transmittal of decision / summons - opposition
Jul 13, 2022
Transmittal of decision / summons - opposition
Apr 13, 2022
Information about the result of oral proceedings
Apr 7, 2022
(Electronic) Receipt
Apr 7, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
(Electronic) Receipt
Feb 18, 2022
Brief communication - Opposition proceedings
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Auxiliary request during Opposition procedure
Feb 11, 2022
Auxiliary request during Opposition procedure
Feb 11, 2022
Auxiliary request during Opposition procedure
Feb 11, 2022
Auxiliary request during Opposition procedure
Feb 11, 2022
Auxiliary request during Opposition procedure
Feb 11, 2022
Auxiliary request during Opposition procedure - 03
Feb 11, 2022
Auxiliary request during Opposition procedure - 04
Feb 11, 2022
Auxiliary request during Opposition procedure - 05
Feb 11, 2022
Auxiliary request during Opposition procedure - 06
Feb 11, 2022
Auxiliary request during Opposition procedure - 07
Feb 11, 2022
Citation in opposition procedure - 017
Feb 11, 2022
Citation in opposition procedure - 017
Feb 11, 2022
Consolidated list of cited opposition documents
Feb 11, 2022
Letter accompanying subsequently filed items
Feb 11, 2022
Written submission in preparation to/during oral proceedings
Feb 10, 2022
Brief communication - Opposition proceedings
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 3, 2022
Written submission in preparation to/during oral proceedings
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 16, 2021
Notification concerning the date of oral proceedings
Dec 16, 2021
Notification concerning the date of oral proceedings
Apr 21, 2021
Advice of delivery
Apr 16, 2021
Advice of delivery
Apr 13, 2021
Annex to the communication - opposition
Apr 13, 2021
Information concerning oral proceedings
Apr 13, 2021
Summons to attend oral proceedings
Apr 13, 2021
Summons to attend oral proceedings
Apr 13, 2021
Transmittal of decision / summons - opposition
Apr 13, 2021
Transmittal of decision / summons - opposition
Mar 10, 2021
Brief communication - Opposition proceedings
Mar 4, 2021
(Electronic) Receipt
Mar 4, 2021
Letter accompanying subsequently filed items
Mar 4, 2021
Written submission in preparation to/during oral proceedings
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Request concerning representative opponent
Sep 14, 2020
Request concerning representative opponent
Aug 6, 2020
Notification concerning the date of oral proceedings
Aug 6, 2020
Notification concerning the date of oral proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Jul 30, 2020
(Electronic) Receipt
Jul 30, 2020
Letter accompanying subsequently filed items
Jul 30, 2020
Oral proceedings: reply to date proposed
Jul 24, 2020
Notification concerning the date of oral proceedings
Jul 24, 2020
Notification concerning the date of oral proceedings
Feb 24, 2020
Advice of delivery
Feb 24, 2020
Advice of delivery
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Acknowledgement of a document
Feb 20, 2020
Annex to the communication - opposition
Feb 20, 2020
Information concerning oral proceedings
Feb 20, 2020
Summons to attend oral proceedings
Feb 20, 2020
Summons to attend oral proceedings
Oct 15, 2019
Brief communication - Opposition proceedings
Oct 8, 2019
(Electronic) Receipt
Oct 8, 2019
Auxiliary request during Opposition procedure
Oct 8, 2019
Auxiliary request during Opposition procedure
Oct 8, 2019
Auxiliary request during Opposition procedure - 01
Oct 8, 2019
Auxiliary request during Opposition procedure - 02
Oct 8, 2019
Citation in opposition procedure - 015
Oct 8, 2019
Citation in opposition procedure - 016
Oct 8, 2019
Letter accompanying subsequently filed items
Oct 8, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 31, 2019
Communication of a notice of opposition and request to file observations
May 31, 2019
Notice of further oppositions to opponent(s)
May 24, 2019
Brief communication - Opposition proceedings
May 21, 2019
(Electronic) Receipt
May 21, 2019
Citation in opposition procedure - 004
May 21, 2019
Citation in opposition procedure - 005
May 21, 2019
Letter accompanying subsequently filed items
May 21, 2019
Letter regarding the opposition procedure (no time limit)
May 15, 2019
Brief communication - Opposition proceedings
May 9, 2019
(Electronic) Receipt
May 9, 2019
Brief communication - Opposition proceedings
May 9, 2019
Letter accompanying subsequently filed items
May 9, 2019
Letter regarding the opposition procedure (no time limit)
May 9, 2019
Request for documents
May 3, 2019
Communication of a notice of opposition - first information to patent proprietor
Apr 26, 2019
(Electronic) Receipt
Apr 26, 2019
Citation in opposition procedure - 001
Apr 26, 2019
Citation in opposition procedure - 002
Apr 26, 2019
Citation in opposition procedure - 002
Apr 26, 2019
Citation in opposition procedure - 003
Apr 26, 2019
Citation in opposition procedure - 003
Apr 26, 2019
Citation in opposition procedure - 006
Apr 26, 2019
Citation in opposition procedure - 007
Apr 26, 2019
Citation in opposition procedure - 008
Apr 26, 2019
Citation in opposition procedure - 009
Apr 26, 2019
Citation in opposition procedure - 010
Apr 26, 2019
Citation in opposition procedure - 011
Apr 26, 2019
Citation in opposition procedure - 012
Apr 26, 2019
Citation in opposition procedure - 013
Apr 26, 2019
Citation in opposition procedure - 014
Apr 26, 2019
Notice of opposition
Apr 26, 2019
Notice of opposition
Apr 26, 2019
Priority document
Apr 26, 2019
Priority document
Aug 13, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 5, 2018
Decision to grant a European patent
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
Filing of the translations of the claims
Jun 20, 2018
French translation of claims
Jun 20, 2018
German translation of the claims
Jun 20, 2018
Letter accompanying subsequently filed items
Mar 29, 2018
Bibliographic data of the European patent application
Mar 29, 2018
Communication about intention to grant a European patent
Mar 29, 2018
Intention to grant (signatures)
Mar 29, 2018
Text intended for grant (clean copy)
Mar 29, 2018
Text intended for grant (sequence listing)
Mar 29, 2018
Text intended for grant (version for approval)
Mar 21, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 13, 2018
(Electronic) Receipt
Mar 13, 2018
Letter accompanying subsequently filed items
Mar 13, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 14, 2017
Bibliographic data of the European patent application
Dec 14, 2017
Communication about intention to grant a European patent
Dec 14, 2017
Intention to grant (signatures)
Dec 14, 2017
Text intended for grant (clean copy)
Dec 14, 2017
Text intended for grant (sequence listing)
Dec 14, 2017
Text intended for grant (version for approval)
Oct 24, 2017
Examination started
Jul 27, 2017
Response to enquiry for communication from the Examining Division
Jul 19, 2017
Communication of the registration of a transfer or change of name and/or address
Jul 14, 2017
(Electronic) Receipt
Jul 14, 2017
Deficiencies in an enquiry
Jul 14, 2017
Enquiry as to the processing of the file
Jul 14, 2017
Letter accompanying subsequently filed items
Jul 12, 2017
Submission concerning change of applicant's name
Jul 12, 2017
Submission concerning change of applicant's name
Jul 6, 2017
(Electronic) Receipt
Jul 6, 2017
Letter accompanying subsequently filed items
Jul 6, 2017
Letter relating to the search and/or examination procedure
Jan 25, 2016
Amended claims filed after receipt of (European) search report
Jan 25, 2016
Amended claims with annotations
Jan 25, 2016
Amendments received before examination
Jul 23, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 6, 2015
Communication regarding the transmission of the European search report
Jul 6, 2015
European search opinion
Jul 6, 2015
Supplementary European search report
Jun 22, 2015
Search started
Apr 15, 2015
Communication to designated inventor
Apr 15, 2015
Communication to designated inventor
Apr 15, 2015
Communication to designated inventor
Apr 15, 2015
Communication to designated inventor
Mar 23, 2015
Copy of the international preliminary report on patentability
Mar 23, 2015
Translation of the international preliminary report on patentability
Mar 19, 2015
Confirmation of receipt of (electronically) transmitted priority document
Mar 13, 2015
Priority document (electronically transmitted)
Mar 13, 2015
Priority document (electronically transmitted)
Mar 13, 2015
Priority document (electronically transmitted)
Feb 18, 2015
Notification of forthcoming publication
Feb 10, 2015
Translation of the international preliminary report on patentability
Feb 10, 2015
Transmission of a document (International preliminary examination report)
Jan 21, 2015
Copy of the international preliminary report on patentability
Jan 21, 2015
Transmission of a document (International preliminary examination report)
Jan 13, 2015
Enquiry with the International Bureau
Dec 12, 2014
(Electronic) Receipt
Dec 12, 2014
Abstract
Dec 12, 2014
Amended claims filed after receipt of (European) search report
Dec 12, 2014
Amended claims with annotations
Dec 12, 2014
Claims
Dec 12, 2014
Converted Sequence Listing
Dec 12, 2014
Description
Dec 12, 2014
Drawings
Dec 12, 2014
Request for entry into the European phase
Apr 1, 2014
Priority document (electronically transmitted)
Apr 1, 2014
Priority document (electronically transmitted)
Apr 1, 2014
Priority document (electronically transmitted)
Mar 13, 2014
Converted Sequence Listing
Mar 13, 2014
Copy of the international search report
Mar 13, 2014
Copy of the translated international search report
Mar 13, 2014
International publication pamphlet

EP2848694

MITSUBISHI CHEMICAL

Application Number: EP13834617A
Filing Date: Sep 10, 2013
Status: Opposition Rejected; Mar 7, 2025
Publication Date: Aug 1, 2018
External Links: Slate, Register , Google Patents

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Method For Producing Methacrylic Acid Ester

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Dossier Documents

EP2848694