Microstructured Composite Particles

Patent No. EP2686026 (titled "Microstructured Composite Particles") was filed by Schaefer Kalk on Mar 16, 2012. The application was issued on Mar 13, 2019.

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
OMYA	Dec 11, 2019	MAIWALD

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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May 2, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Apr 27, 2022
Termination of the opposition proceedings with maintenance of patent
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 18, 2022
Decision to discontinue the opposition proceedings
Jan 18, 2022
Notification concerning the date of oral proceedings
Jan 13, 2022
Bibliographic data of the European patent application
Jan 13, 2022
Result of consultation by telephone/in person
Jan 12, 2022
(Electronic) Receipt
Jan 12, 2022
Letter accompanying subsequently filed items
Jan 12, 2022
Withdrawal of an opposition
Dec 1, 2021
Brief communication - Opposition proceedings
Dec 1, 2021
Brief communication - Opposition proceedings
Dec 1, 2021
Brief communication - Opposition proceedings
Nov 26, 2021
Brief communication - Opposition proceedings
Nov 26, 2021
Brief communication - Opposition proceedings
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure
Nov 25, 2021
Auxiliary request during Opposition procedure - 01
Nov 25, 2021
Auxiliary request during Opposition procedure - 02
Nov 25, 2021
Auxiliary request during Opposition procedure - 03
Nov 25, 2021
Auxiliary request during Opposition procedure - 04
Nov 25, 2021
Auxiliary request during Opposition procedure - 05
Nov 25, 2021
Auxiliary request during Opposition procedure - 06
Nov 25, 2021
Auxiliary request during Opposition procedure - 07
Nov 25, 2021
Auxiliary request during Opposition procedure - 08
Nov 25, 2021
Auxiliary request during Opposition procedure - 09
Nov 25, 2021
Auxiliary request during Opposition procedure - 10
Nov 25, 2021
Auxiliary request during Opposition procedure - 11
Nov 25, 2021
Auxiliary request during Opposition procedure - 12
Nov 25, 2021
Auxiliary request during Opposition procedure - 13
Nov 25, 2021
Auxiliary request during Opposition procedure - 14
Nov 25, 2021
Auxiliary request during Opposition procedure - 15
Nov 25, 2021
Auxiliary request during Opposition procedure - 16
Nov 25, 2021
Auxiliary request during Opposition procedure - 17
Nov 25, 2021
Citation in opposition procedure - 017
Nov 25, 2021
Consolidated list of cited opposition documents
Nov 25, 2021
Letter accompanying subsequently filed items
Nov 25, 2021
Letter accompanying subsequently filed items
Nov 25, 2021
Written submission in preparation to/during oral proceedings
Nov 25, 2021
Written submission in preparation to/during oral proceedings
Nov 25, 2021
Written submission in preparation to/during oral proceedings
Nov 25, 2021
Written submission in preparation to/during oral proceedings
Jun 28, 2021
Advice of delivery
Jun 24, 2021
Advice of delivery
Jun 22, 2021
Annex to the communication - opposition
Jun 22, 2021
Information concerning oral proceedings
Jun 22, 2021
Summons to attend oral proceedings
Jun 22, 2021
Summons to attend oral proceedings
Jun 22, 2021
Transmittal of decision / summons - opposition
Jun 22, 2021
Transmittal of decision / summons - opposition
Jun 15, 2021
Information about the result of oral proceedings
Sep 1, 2020
Document concerning representation
Jul 13, 2020
Brief communication - Opposition proceedings
Jul 7, 2020
Auxiliary request during Opposition procedure
Jul 7, 2020
Auxiliary request during Opposition procedure
Jul 7, 2020
Auxiliary request during Opposition procedure
Jul 7, 2020
Auxiliary request during Opposition procedure - 01
Jul 7, 2020
Auxiliary request during Opposition procedure - 02
Jul 7, 2020
Auxiliary request during Opposition procedure - 03
Jul 7, 2020
Citation in opposition procedure - 013
Jul 7, 2020
Citation in opposition procedure - 014
Jul 7, 2020
Citation in opposition procedure - 015
Jul 7, 2020
Citation in opposition procedure - 016
Jul 7, 2020
Drawings
Jul 7, 2020
Letter regarding the opposition procedure (no time limit)
Jul 7, 2020
Reply of the patent proprietor to the notice(s) of opposition
May 14, 2020
Brief communication - Opposition proceedings
May 14, 2020
Grant of extension of time limit (opposition procedure)
May 11, 2020
Request for extension of time limit
Jan 7, 2020
Communication of a notice of opposition and request to file observations
Jan 7, 2020
Notice of further oppositions to opponent(s)
Dec 16, 2019
Communication of a notice of opposition - first information to patent proprietor
Dec 11, 2019
(Electronic) Receipt
Dec 11, 2019
Citation in opposition procedure - 001
Dec 11, 2019
Citation in opposition procedure - 002
Dec 11, 2019
Citation in opposition procedure - 003
Dec 11, 2019
Citation in opposition procedure - 004
Dec 11, 2019
Citation in opposition procedure - 005
Dec 11, 2019
Citation in opposition procedure - 006
Dec 11, 2019
Citation in opposition procedure - 007
Dec 11, 2019
Citation in opposition procedure - 008
Dec 11, 2019
Citation in opposition procedure - 009
Dec 11, 2019
Citation in opposition procedure - 010
Dec 11, 2019
Citation in opposition procedure - 011
Dec 11, 2019
Citation in opposition procedure - 012
Dec 11, 2019
Notice of opposition
Dec 11, 2019
Notice of opposition
Dec 11, 2019
Published international application - A2
Mar 25, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 14, 2019
Decision to grant a European patent
Jan 30, 2019
Filing of the translations of the claims
Jan 29, 2019
Filing of the translations of the claims
Jan 25, 2019
Bibliographic data of the European patent application
Jan 25, 2019
Communication about intention to grant a European patent
Jan 25, 2019
Intention to grant (signatures)
Jan 25, 2019
Text intended for grant (clean copy)
Jan 25, 2019
Text intended for grant (version for approval)
Jan 2, 2019
Claims
Jan 2, 2019
English translation of the claims
Jan 2, 2019
French translation of claims
Jan 2, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 2, 2019
Translation of the claims
Jan 2, 2019
Translation of the claims
Oct 24, 2018
Bibliographic data of the European patent application
Oct 24, 2018
Communication about intention to grant a European patent
Oct 24, 2018
Intention to grant (signatures)
Oct 24, 2018
Text intended for grant (clean copy)
Oct 24, 2018
Text intended for grant (version for approval)
Oct 9, 2018
Notification concerning the date of oral proceedings
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Claims
Sep 14, 2018
Letter accompanying subsequently filed items
Sep 14, 2018
Letter dealing with oral proceedings
Sep 14, 2018
Letter dealing with oral proceedings
Sep 14, 2018
Non-scannable object
Sep 12, 2018
Claims
Sep 12, 2018
Claims
Sep 12, 2018
Claims
Sep 12, 2018
Claims
Sep 12, 2018
Claims
Sep 12, 2018
Claims
Sep 12, 2018
Cover sheet for fax transmission
Sep 12, 2018
Letter dealing with oral proceedings
Sep 12, 2018
Letter dealing with oral proceedings
Sep 12, 2018
Non-scannable object
Aug 17, 2018
Claims
Aug 17, 2018
Claims
Aug 17, 2018
Claims
Aug 17, 2018
Claims
Aug 17, 2018
Claims
Aug 17, 2018
Claims
Aug 17, 2018
Letter dealing with oral proceedings
Aug 17, 2018
Non-scannable object
Aug 17, 2018
Non-scannable object
Aug 16, 2018
Advice of delivery
Aug 2, 2018
Advice of delivery
Aug 1, 2018
Notification concerning the date of oral proceedings
Aug 1, 2018
Summons to attend oral proceedings
Jul 26, 2018
Advice of delivery
Jul 25, 2018
Notification concerning the date of oral proceedings
Jul 18, 2018
Acknowledgement of a document
Jul 18, 2018
Advice of delivery
Jul 18, 2018
Annex
Jul 18, 2018
Letter dealing with oral proceedings
Jul 17, 2018
Annex
Jul 17, 2018
Letter dealing with oral proceedings
Jul 12, 2018
Acknowledgement of a document
Jul 12, 2018
Summons to attend oral proceedings
Jun 25, 2018
Letter dealing with oral proceedings
Jun 25, 2018
Non-patent literature cited during the examination procedure
Jun 21, 2018
Advice of delivery
Jun 21, 2018
Advice of delivery
Jun 21, 2018
Letter dealing with oral proceedings
Jun 15, 2018
Acknowledgement of a document
Jun 15, 2018
Annex to the communication
Jun 15, 2018
Preparation for oral proceedings
Jun 15, 2018
Summons to attend oral proceedings
Dec 14, 2017
Annex
Dec 14, 2017
Reply to communication from the Examining Division
Nov 24, 2017
Letter relating to the automatic debiting procedure
Nov 9, 2017
Annex to the communication
Nov 9, 2017
Communication from the Examining Division
Apr 4, 2017
Submission concerning representation
Apr 3, 2017
Submission concerning representation
Mar 22, 2017
Claims
Mar 22, 2017
Claims
Mar 22, 2017
Reply to communication from the Examining Division
Mar 22, 2017
Reply to communication from the Examining Division
Mar 17, 2017
Claims
Mar 17, 2017
Reply to communication from the Examining Division
Feb 8, 2017
Payment of fees and costs
Feb 7, 2017
Payment of fees and costs
Feb 7, 2017
Payment of fees and costs
Feb 1, 2017
Grant of extension of time limit (examination procedure)
Jan 25, 2017
Request for extension of time limit to communication from the Examining Division
Jan 23, 2017
Request for extension of time limit to communication from the Examining Division
Dec 1, 2016
Grant of extension of time limit (examination procedure)
Nov 16, 2016
Request for extension of time limit to communication from the Examining Division
Nov 14, 2016
Request for extension of time limit to communication from the Examining Division
Sep 26, 2016
Grant of extension of time limit (examination procedure)
Sep 22, 2016
Request for extension of time limit to communication from the Examining Division
Sep 21, 2016
Request for extension of time limit to communication from the Examining Division
May 12, 2016
Annex to the communication
May 12, 2016
Communication from the Examining Division
Apr 27, 2016
Examination started
Jan 22, 2016
Payment of fees and costs
Jan 22, 2015
Payment of fees and costs
May 6, 2014
Non-patent literature cited during the examination procedure
May 6, 2014
Reply to Written Opinion prepared by the EPO
Apr 30, 2014
Non-patent literature cited during the examination procedure
Apr 30, 2014
Reply to Written Opinion prepared by the EPO
Jan 20, 2014
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 7, 2014
Notification on forthcoming publication of bibliographic data
Oct 25, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 23, 2013
Communication to designated inventor
Oct 23, 2013
Communication to designated inventor
Oct 18, 2013
Priority search results copy provided by EPO
Oct 9, 2013
Copy of the international preliminary report on patentability
Sep 17, 2013
Submission concerning representation
Sep 7, 2013
Request for entry into the European phase
Jul 31, 2013
Information on entry into European phase
Nov 22, 2012
Copy of the international search report
Nov 22, 2012
Copy of the international search report
Nov 22, 2012
International publication of the international search report
Oct 15, 2012
Priority document (electronically transmitted)
Sep 27, 2012
Published international application - A2
Sep 27, 2012
Written opinion of the ISA, boxes No. I to VIII
Sep 27, 2012
Written opinion of the ISA, cover sheet
Sep 27, 2012
Written opinion of the ISA, supplemental box
May 22, 2012
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
May 22, 2012
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Mar 17, 2012
Abstract
Mar 17, 2012
Annex
Mar 17, 2012
Claims
Mar 17, 2012
Description
Mar 17, 2012
Drawings
Mar 16, 2012
Priority document (RO-procedure)

EP2686026

SCHAEFER KALK

Application Number: EP12709292A
Filing Date: Mar 16, 2012
Status: Granted And Under Opposition; Feb 8, 2019
Publication Date: Mar 13, 2019
External Links: Slate, EP2686026B1, Google Patents

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Microstructured Composite Particles

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Patent Oppositions

Dossier Documents

EP2686026