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IP Verse

Mixed Calcium And Magnesium Compound And Method For Producing Same - EP2872458

The patent EP2872458 was granted to Lhoist Recherche ET Developpement on Jan 31, 2018. The application was originally filed on Jul 12, 2013 under application number EP13735320A. The patent is currently recorded with a legal status of "Revoked".

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, Register, Google Patents

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	Opposition Status
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CARMEUSE RESEARCH AND TECHNOLOGY	Oct 26, 2018	AWA BENELUX	ADMISSIBLE

Patent Citations (24) New

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

Citation Phase	Publication Number
DESCRIPTION	EP0558522
DESCRIPTION	EP0623555
DESCRIPTION	SU1065341
DESCRIPTION	US3869299
DESCRIPTION	US5422092
DESCRIPTION	WO9714650
DESCRIPTION	WO9851614
EXAMINATION	EP0230139
EXAMINATION	US2006275203
EXAMINATION	WO9851614
INTERNATIONAL-SEARCH-REPORT	EP0623555
INTERNATIONAL-SEARCH-REPORT	US2224780
INTERNATIONAL-SEARCH-REPORT	US2912306
INTERNATIONAL-SEARCH-REPORT	US5422092
OPPOSITION	EP1867620
OPPOSITION	GB797328
OPPOSITION	SU1065341
OPPOSITION	US2309168
OPPOSITION	US2894820
OPPOSITION	US5705141
OPPOSITION	WO2005070830
OPPOSITION	WO2013139957
OPPOSITION	WO9209528
OPPOSITION	WO9851614

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