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IP Verse

Mixed Calcium And Magnesium Compound And Method For Producing Same

Patent No. EP2872458 (titled "Mixed Calcium And Magnesium Compound And Method For Producing Same") was filed by Lhoist Recherche ET Developpement on Jul 12, 2013. The application was issued on Jan 31, 2018.

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
CARMEUSE RESEARCH AND TECHNOLOGY	Oct 26, 2018	AWA BENELUX

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 18, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 18, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Aug 13, 2021
Termination of the opposition proceedings with revocation of patent
Aug 3, 2021
Communication of amended entries
May 19, 2021
Advice of delivery
May 4, 2021
(Electronic) Receipt
May 4, 2021
Advice of delivery
May 4, 2021
Annex to the communication - opposition
May 4, 2021
Decision of the Opposition Division and instruction
May 4, 2021
Decision revoking the European patent
May 4, 2021
Grounds for the decision (Annex) - opposition
May 4, 2021
Internal form - Opposition/addressees
May 4, 2021
Internal form - Opposition/addressees
May 4, 2021
Letter accompanying subsequently filed items
May 4, 2021
Means of redress
May 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 4, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 4, 2021
Provision of a copy of the minutes - opposition procedure
May 4, 2021
Transmittal of decision / summons - opposition
May 4, 2021
Transmittal of decision / summons - opposition
Apr 30, 2021
Request for change of opponent's representative
Feb 25, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Written submission in preparation to/during oral proceedings
Feb 19, 2021
(Electronic) Receipt
Feb 19, 2021
Citation in opposition procedure - 028
Feb 19, 2021
Consolidated list of cited opposition documents
Feb 19, 2021
Letter accompanying subsequently filed items
Feb 19, 2021
Written submission in preparation to/during oral proceedings
Jan 14, 2021
Brief communication - Opposition proceedings
Jan 13, 2021
Brief communication - Opposition proceedings
Dec 23, 2020
(Electronic) Receipt
Dec 23, 2020
Letter accompanying subsequently filed items
Dec 23, 2020
Oral proceedings: reply to date proposed
Dec 22, 2020
(Electronic) Receipt
Dec 22, 2020
Letter accompanying subsequently filed items
Dec 22, 2020
Written submission in preparation to/during oral proceedings
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Letter accompanying subsequently filed items
Dec 15, 2020
Oral proceedings: reply to date proposed
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Jun 22, 2020
Brief communication - Opposition proceedings
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
Oral proceedings: reply to date proposed
Jun 15, 2020
Advice of delivery
Jun 12, 2020
(Electronic) Receipt
Jun 12, 2020
Advice of delivery
Jun 12, 2020
Letter accompanying subsequently filed items
Jun 9, 2020
Acknowledgement of a document
Jun 9, 2020
Acknowledgement of a document
Jun 9, 2020
Annex to the communication - opposition
Jun 9, 2020
Information concerning oral proceedings
Jun 9, 2020
Summons to attend oral proceedings
Jun 9, 2020
Summons to attend oral proceedings
Mar 23, 2020
Notification concerning the date of oral proceedings
Mar 23, 2020
Notification concerning the date of oral proceedings
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 17, 2020
(Electronic) Receipt
Mar 17, 2020
Letter accompanying subsequently filed items
Mar 17, 2020
Written submission in preparation to/during oral proceedings
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Oral proceedings: Request for postponement
Mar 12, 2020
Written submission in preparation to/during oral proceedings
Mar 12, 2020
Written submission in preparation to/during oral proceedings
Mar 2, 2020
Brief communication - Opposition proceedings
Feb 25, 2020
(Electronic) Receipt
Feb 25, 2020
General authorisation
Feb 25, 2020
Letter accompanying subsequently filed items
Feb 25, 2020
Written submission in preparation to/during oral proceedings
Feb 5, 2020
Brief communication - Opposition proceedings
Feb 5, 2020
Brief communication - Opposition proceedings
Feb 5, 2020
Brief communication - Opposition proceedings
Jan 31, 2020
(Electronic) Receipt
Jan 31, 2020
Citation in opposition procedure - 018
Jan 31, 2020
Written submission in preparation to/during oral proceedings
Jan 30, 2020
Brief communication - Opposition proceedings
Jan 28, 2020
Brief communication - Opposition proceedings
Jan 24, 2020
(Electronic) Receipt
Jan 24, 2020
Citation in opposition procedure - 017
Jan 24, 2020
Citation in opposition procedure - 018
Jan 24, 2020
Citation in opposition procedure - 019
Jan 24, 2020
Citation in opposition procedure - 020
Jan 24, 2020
Citation in opposition procedure - 020
Jan 24, 2020
Citation in opposition procedure - 020
Jan 24, 2020
Citation in opposition procedure - 021
Jan 24, 2020
Citation in opposition procedure - 022
Jan 24, 2020
Citation in opposition procedure - 023
Jan 24, 2020
Citation in opposition procedure - 024
Jan 24, 2020
Citation in opposition procedure - 025
Jan 24, 2020
Citation in opposition procedure - 026
Jan 24, 2020
Citation in opposition procedure - 027
Jan 24, 2020
Letter accompanying subsequently filed items
Jan 24, 2020
Written submission in preparation to/during oral proceedings
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Auxiliary request during Opposition procedure
Jan 23, 2020
Auxiliary request during Opposition procedure - 01
Jan 23, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Written submission in preparation to/during oral proceedings
Jan 16, 2020
Brief communication - Opposition proceedings
Jan 14, 2020
(Electronic) Receipt
Jan 14, 2020
Letter accompanying subsequently filed items
Jan 9, 2020
(Electronic) Receipt
Jan 9, 2020
Request for interpreters during oral proceedings
Jul 8, 2019
Advice of delivery
Jul 8, 2019
Advice of delivery
Jul 8, 2019
Advice of delivery
Jul 4, 2019
(Electronic) Receipt
Jul 4, 2019
Advice of delivery
Jul 4, 2019
Letter accompanying subsequently filed items
Jun 28, 2019
Acknowledgement of a document
Jun 28, 2019
Acknowledgement of a document
Jun 28, 2019
Annex to the communication - opposition
Jun 28, 2019
Information concerning oral proceedings
Jun 28, 2019
Summons to attend oral proceedings
Jun 28, 2019
Summons to attend oral proceedings
Mar 25, 2019
Brief communication - Opposition proceedings
Mar 19, 2019
(Electronic) Receipt
Mar 19, 2019
Auxiliary request during Opposition procedure
Mar 19, 2019
Letter accompanying subsequently filed items
Mar 19, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 13, 2018
Communication of a notice of opposition and request to file observations
Nov 13, 2018
Notice of further oppositions to opponent(s)
Nov 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Oct 29, 2018
Result of consultation by telephone/in person
Oct 26, 2018
(Electronic) Receipt
Oct 26, 2018
Citation in opposition procedure - 001
Oct 26, 2018
Citation in opposition procedure - 002
Oct 26, 2018
Citation in opposition procedure - 003
Oct 26, 2018
Citation in opposition procedure - 004
Oct 26, 2018
Citation in opposition procedure - 005
Oct 26, 2018
Citation in opposition procedure - 006
Oct 26, 2018
Citation in opposition procedure - 007
Oct 26, 2018
Citation in opposition procedure - 008
Oct 26, 2018
Citation in opposition procedure - 010
Oct 26, 2018
Citation in opposition procedure - 011
Oct 26, 2018
Citation in opposition procedure - 012
Oct 26, 2018
Citation in opposition procedure - 012
Oct 26, 2018
Citation in opposition procedure - 012
Oct 26, 2018
Citation in opposition procedure - 013
Oct 26, 2018
Citation in opposition procedure - 014
Oct 26, 2018
Citation in opposition procedure - 015
Oct 26, 2018
Citation in opposition procedure - 016
Oct 26, 2018
Citation in opposition procedure - 017
Oct 26, 2018
Citation in opposition procedure - 017
Oct 26, 2018
Notice of opposition
Oct 26, 2018
Notice of opposition
Feb 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 5, 2018
Decision to grant a European patent
Dec 11, 2017
(Electronic) Receipt
Dec 11, 2017
English translation of the claims
Dec 11, 2017
Filing of the translations of the claims
Dec 11, 2017
German translation of the claims
Aug 21, 2017
Bibliographic data of the European patent application
Aug 21, 2017
Communication about intention to grant a European patent
Aug 21, 2017
Intention to grant (signatures)
Aug 21, 2017
Text intended for grant (clean copy)
Aug 21, 2017
Text intended for grant (version for approval)
Mar 23, 2017
(Electronic) Receipt
Mar 23, 2017
Letter accompanying subsequently filed items
Mar 23, 2017
Reply to communication from the Examining Division
Jan 30, 2017
Annex to the communication
Jan 30, 2017
Communication from the Examining Division
Jan 3, 2017
(Electronic) Receipt
Jan 3, 2017
Amended claims with annotations
Jan 3, 2017
Claims
Jan 3, 2017
Letter accompanying subsequently filed items
Jan 3, 2017
Reply to communication from the Examining Division
Sep 6, 2016
Annex to the communication
Sep 6, 2016
Communication from the Examining Division
May 31, 2016
(Electronic) Receipt
May 31, 2016
Amended claims with annotations
May 31, 2016
Claims
May 31, 2016
Letter accompanying subsequently filed items
May 31, 2016
Reply to communication from the Examining Division
Feb 9, 2016
Annex to the communication
Feb 9, 2016
Communication from the Examining Division
Aug 19, 2015
(Electronic) Receipt
Aug 19, 2015
Letter accompanying subsequently filed items
Aug 19, 2015
Reply to Written Opinion prepared by the EPO
Apr 22, 2015
Notification on forthcoming publication of bibliographic data
Feb 19, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 17, 2015
Communication to designated inventor
Feb 17, 2015
Communication to designated inventor
Feb 12, 2015
Priority search results copy provided by EPO
Jan 13, 2015
Copy of the international preliminary report on patentability
Dec 11, 2014
(Electronic) Receipt
Dec 11, 2014
Request for entry into the European phase
Nov 21, 2014
Information on entry into European phase
Feb 6, 2014
Priority document (electronically transmitted)
Feb 6, 2014
Priority document (electronically transmitted)
Jan 16, 2014
Copy of the international search report
Jan 16, 2014
Copy of the international search report
Jan 16, 2014
Published international application - A1
Jan 16, 2014
Published international application - A1
Oct 22, 2013
Written opinion of the ISA, boxes No. I to VIII
Oct 22, 2013
Written opinion of the ISA, cover sheet
Oct 22, 2013
Written opinion of the ISA, supplemental box
Jul 30, 2013
Invitation to correct priority claim
Jul 30, 2013
Notification relating to priority claim
Jul 30, 2013
Notification relating to priority claim
Jul 12, 2013
(Electronic) Receipt
Jul 12, 2013
Abstract
Jul 12, 2013
Claims
Jul 12, 2013
Description
Jul 12, 2013
Drawings

EP2872458

LHOIST RECHERCHE ET DEVELOPPEMENT

Application Number: EP13735320A
Filing Date: Jul 12, 2013
Status: Revoked; Aug 20, 2021
Publication Date: Jan 31, 2018
External Links: Slate, EP2872458B1, Google Patents