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Barium Sulfate Composite Particles, Resin Composition Containing Same, And Process For Producing Same - EP2871209

The patent EP2871209 was granted to Sakai Chemical Industry on Sep 12, 2018. The application was filed on Jul 4, 2013 under application number EP13813103A. The patent is currently recorded with a legal status of "Opposition Rejected".

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

Patent Summary

Patent Family

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	Opposition Status
VENATOR GERMANY	Jun 5, 2019	THOT	-

Patent Citations (19) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	JPH0699022
DESCRIPTION	JPH08231897
DESCRIPTION	JPH108028
INTERNATIONAL-SEARCH-REPORT	JP2002296771
INTERNATIONAL-SEARCH-REPORT	JP2004054122
INTERNATIONAL-SEARCH-REPORT	JP2009126970
INTERNATIONAL-SEARCH-REPORT	JP2009209315
INTERNATIONAL-SEARCH-REPORT	JP2009255042
INTERNATIONAL-SEARCH-REPORT	JP2012513365
INTERNATIONAL-SEARCH-REPORT	JPH108028
INTERNATIONAL-SEARCH-REPORT	JPS59122554
OPPOSITION	DE4404953
OPPOSITION	DE4412454
OPPOSITION	US2005030630
OPPOSITION	US2009318594
OPPOSITION	US2011247864
OPPOSITION	US2012077059
OPPOSITION	US4505755
OPPOSITION	US5976511

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