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Barium Sulfate Composite Particles, Resin Composition Containing Same, And Process For Producing Same

Patent No. EP2871209 (titled "Barium Sulfate Composite Particles, Resin Composition Containing Same, And Process For Producing Same") was filed by Sakai Chemical Industry on Jul 4, 2013. The application was issued on Sep 12, 2018.

Patent Summary

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Patent Oppositions

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
VENATOR GERMANY	Jun 5, 2019	THOT

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 29, 2024
Decision of the Board of Appeal
Feb 29, 2024
F3032 Notification(s) of the decision
Feb 29, 2024
F3032 Notification(s) of the decision
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
Cited document during appeal procedure
Jan 25, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 25, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 18, 2024
(Electronic) Receipt
Jan 18, 2024
F3345 Forwarding of submissions to parties
Jan 18, 2024
Letter accompanying subsequently filed items
Jan 18, 2024
Letter dealing with oral proceedings during the appeal procedure
Jan 18, 2024
Oral proceedings: change of venue
Jan 18, 2024
Oral proceedings: change of venue
Jan 17, 2024
(Electronic) Receipt
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 17, 2024
F3345 Forwarding of submissions to parties
Jan 17, 2024
Letter accompanying subsequently filed items
Jan 17, 2024
Letter dealing with oral proceedings during the appeal procedure
Jan 16, 2024
(Electronic) Receipt
Jan 16, 2024
F3345 Forwarding of submissions to parties
Jan 16, 2024
Letter accompanying subsequently filed items
Jan 16, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 22, 2023
F3345 Forwarding of submissions to parties
Dec 21, 2023
(Electronic) Receipt
Dec 21, 2023
Letter accompanying subsequently filed items
Dec 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Dec 21, 2023
Non-Patent Literature cited during the appeal procedure
Nov 2, 2023
F3345 Forwarding of submissions to parties
Oct 26, 2023
(Electronic) Receipt
Oct 26, 2023
Letter accompanying subsequently filed items
Oct 26, 2023
Letter dealing with oral proceedings during the appeal procedure
Sep 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 14, 2023
F3004 Communication of the Registry
Aug 14, 2023
F3004 Communication of the Registry
Aug 2, 2023
F3345 Forwarding of submissions to parties
Aug 2, 2023
F3345 Forwarding of submissions to parties
Jul 28, 2023
(Electronic) Receipt
Jul 28, 2023
Letter accompanying subsequently filed items
Jul 28, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 27, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 6, 2023
Advice of delivery
May 30, 2023
F3004 Communication of the Registry
May 30, 2023
F3004 Communication of the Registry
May 30, 2023
F3011.1 Oral Proceedings: summons
May 30, 2023
F3011.1 Oral Proceedings: summons
May 23, 2023
F3010 Oral proceedings: order for summons
May 23, 2023
F3303.16 Change of composition of the Board (T)
Mar 31, 2022
F3345 Forwarding of submissions to parties
Mar 25, 2022
(Electronic) Receipt
Mar 25, 2022
Amended claims with annotations
Mar 25, 2022
Amended claims with annotations
Mar 25, 2022
Amended claims with annotations
Mar 25, 2022
Auxiliary request during appeals procedure - 01
Mar 25, 2022
Auxiliary request during appeals procedure - 02
Mar 25, 2022
Auxiliary request during appeals procedure - 03
Mar 25, 2022
Letter accompanying subsequently filed items
Mar 25, 2022
Reply to appeal
Nov 25, 2021
Composition of the board (T)
Nov 16, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 11, 2021
(Electronic) Receipt
Nov 11, 2021
Cited document during appeal procedure
Nov 11, 2021
Letter accompanying subsequently filed items
Nov 11, 2021
Statement of grounds of appeal
Sep 29, 2021
F3345 Forwarding of submissions to parties
Sep 23, 2021
(Electronic) Receipt
Sep 23, 2021
Letter accompanying subsequently filed items
Sep 23, 2021
Letter relating to Appeal Procedure
Sep 17, 2021
F3204 Communication of the file number to the parties
Sep 17, 2021
F3204 Communication of the file number to the parties
Sep 13, 2021
(Electronic) Receipt
Sep 13, 2021
Letter accompanying subsequently filed items
Sep 13, 2021
Notice of appeal
Jul 20, 2021
Advice of delivery
Jul 14, 2021
Annex to the communication - opposition
Jul 14, 2021
Decision of the Opposition Division and instruction
Jul 14, 2021
Decision rejecting the opposition
Jul 14, 2021
Decision rejecting the opposition
Jul 14, 2021
Grounds for the decision (Annex) - opposition
Jul 14, 2021
Means of redress
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 14, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 14, 2021
Provision of a copy of the minutes - opposition procedure
Jul 14, 2021
Provision of a copy of the minutes - opposition procedure
Jul 14, 2021
Transmittal of decision / summons - opposition
Jul 14, 2021
Transmittal of decision / summons - opposition
Jun 18, 2021
Information about the result of oral proceedings
May 20, 2021
Brief communication - Opposition proceedings
May 17, 2021
(Electronic) Receipt
May 17, 2021
Letter accompanying subsequently filed items
May 17, 2021
Written submission in preparation to/during oral proceedings
Apr 12, 2021
Brief communication - Opposition proceedings
Apr 7, 2021
Request for interpreters during oral proceedings
Mar 3, 2021
Notification concerning the date of oral proceedings
Mar 3, 2021
Notification concerning the date of oral proceedings
Dec 10, 2020
Document concerning representation
Oct 20, 2020
Advice of delivery
Oct 15, 2020
Advice of delivery
Oct 9, 2020
Acknowledgement of a document
Oct 9, 2020
Acknowledgement of a document
Oct 9, 2020
Annex to the communication - opposition
Oct 9, 2020
Information concerning oral proceedings
Oct 9, 2020
Summons to attend oral proceedings
Oct 9, 2020
Summons to attend oral proceedings
Aug 18, 2020
Notification concerning the date of oral proceedings
Aug 18, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Oral proceedings: reply to date proposed
Aug 4, 2020
Oral proceedings: reply to date proposed
Aug 3, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 21, 2020
Brief communication - Opposition proceedings
Jul 20, 2020
(Electronic) Receipt
Jul 20, 2020
Letter accompanying subsequently filed items
Jul 20, 2020
Oral proceedings: reply to date proposed
Jul 17, 2020
Oral proceedings: reply to date proposed
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Letter accompanying subsequently filed items
Jul 16, 2020
Written submission in preparation to/during oral proceedings
Jul 15, 2020
Brief communication - Opposition proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 8, 2020
(Electronic) Receipt
Jul 8, 2020
Letter accompanying subsequently filed items
Jul 8, 2020
Written submission in preparation to/during oral proceedings
Jan 23, 2020
Brief communication - Opposition proceedings
Jan 20, 2020
(Electronic) Receipt
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Request for interpreters during oral proceedings
Dec 20, 2019
Advice of delivery
Dec 17, 2019
Advice of delivery
Dec 13, 2019
Acknowledgement of a document
Dec 13, 2019
Acknowledgement of a document
Dec 13, 2019
Annex to the communication - opposition
Dec 13, 2019
Information concerning oral proceedings
Dec 13, 2019
Summons to attend oral proceedings
Dec 13, 2019
Summons to attend oral proceedings
Nov 7, 2019
Brief communication - Opposition proceedings
Nov 4, 2019
(Electronic) Receipt
Nov 4, 2019
Auxiliary request during Opposition procedure
Nov 4, 2019
Auxiliary request during Opposition procedure
Nov 4, 2019
Auxiliary request during Opposition procedure
Nov 4, 2019
Auxiliary request during Opposition procedure - 01
Nov 4, 2019
Auxiliary request during Opposition procedure - 02
Nov 4, 2019
Auxiliary request during Opposition procedure - 03
Nov 4, 2019
Citation in opposition procedure - 010
Nov 4, 2019
Consolidated list of cited opposition documents
Nov 4, 2019
Letter accompanying subsequently filed items
Nov 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 25, 2019
Communication of a notice of opposition and request to file observations
Jun 25, 2019
Notice of further oppositions to opponent(s)
Jun 11, 2019
Communication of a notice of opposition - first information to patent proprietor
Jun 5, 2019
(Electronic) Receipt
Jun 5, 2019
Citation in opposition procedure - 001
Jun 5, 2019
Citation in opposition procedure - 002
Jun 5, 2019
Citation in opposition procedure - 003
Jun 5, 2019
Citation in opposition procedure - 004
Jun 5, 2019
Citation in opposition procedure - 005
Jun 5, 2019
Citation in opposition procedure - 006
Jun 5, 2019
Citation in opposition procedure - 007
Jun 5, 2019
Citation in opposition procedure - 008
Jun 5, 2019
Citation in opposition procedure - 009
Jun 5, 2019
Notice of opposition
Jun 5, 2019
Notice of opposition
Sep 24, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 17, 2018
Decision to grant a European patent
May 28, 2018
(Electronic) Receipt
May 28, 2018
French translation of claims
May 28, 2018
German translation of the claims
May 28, 2018
Letter accompanying subsequently filed items
Feb 28, 2018
Bibliographic data of the European patent application
Feb 28, 2018
Communication about intention to grant a European patent
Feb 28, 2018
Intention to grant (signatures)
Feb 28, 2018
Text intended for grant (clean copy)
Feb 28, 2018
Text intended for grant (version for approval)
Dec 18, 2017
Examination started
Sep 4, 2017
Response to enquiry for communication from the Examining Division
Aug 22, 2017
(Electronic) Receipt
Aug 22, 2017
Enquiry as to the processing of the file
Aug 22, 2017
Letter accompanying subsequently filed items
Aug 22, 2016
(Electronic) Receipt
Aug 22, 2016
Amended claims filed after receipt of (European) search report
Aug 22, 2016
Amended claims with annotations
Aug 22, 2016
Amendments received before examination
Aug 22, 2016
Letter accompanying subsequently filed items
Mar 10, 2016
Submission concerning representation
Feb 23, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 5, 2016
Communication regarding the transmission of the European search report
Feb 5, 2016
European search opinion
Feb 5, 2016
Information on Search Strategy
Feb 5, 2016
Supplementary European search report
Jan 25, 2016
Search started
Jun 3, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jun 3, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 20, 2015
Submission concerning representation
Apr 15, 2015
Notification of forthcoming publication
Feb 13, 2015
Communication for party to proceedings/third party
Feb 13, 2015
Communication regarding possible amendment of the application/payment of claims fee
Feb 11, 2015
Communication to designated inventor
Feb 11, 2015
Communication to designated inventor
Feb 11, 2015
Communication to designated inventor
Feb 11, 2015
Communication to designated inventor
Jan 20, 2015
Copy of the international preliminary report on patentability
Jan 20, 2015
Translation of the international preliminary report on patentability
Jan 9, 2015
(Electronic) Receipt
Jan 9, 2015
Abstract
Jan 9, 2015
Claims
Jan 9, 2015
Description
Jan 9, 2015
Drawings
Jan 9, 2015
Request for entry into the European phase
Nov 14, 2014
Information on entry into European phase
Jan 28, 2014
Priority document (electronically transmitted)
Jan 9, 2014
Copy of the international search report
Jan 9, 2014
Copy of the translated international search report
Jan 9, 2014
International publication pamphlet

EP2871209

SAKAI CHEMICAL INDUSTRY

Application Number: EP13813103A
Filing Date: Jul 4, 2013
Status: Opposition Rejected; Mar 15, 2024
Publication Date: Sep 12, 2018
External Links: Slate, Register , Google Patents