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Method For The Dry Slaking Of Calcium Oxides And Magnesium From Calcomagnesian Compounds

Patent No. EP2958856 (titled "Method For The Dry Slaking Of Calcium Oxides And Magnesium From Calcomagnesian Compounds") was filed by Lhoist Recherche ET Dveloppement on Feb 18, 2014. The application was issued on Aug 28, 2019.

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
CARMEUSE RESEARCH AND TECHNOLOGY	May 27, 2020	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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Sep 9, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 9, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 6, 2021
Termination of the opposition proceedings with revocation of patent
Jun 9, 2021
Advice of delivery
Jun 1, 2021
Advice of delivery
May 27, 2021
(Electronic) Receipt
May 27, 2021
Advice of delivery
May 27, 2021
Letter accompanying subsequently filed items
May 26, 2021
Decision of the Opposition Division and instruction
May 26, 2021
Decision revoking the European patent
May 26, 2021
Grounds for the decision (Annex) - opposition
May 26, 2021
Internal form - Opposition/addressees
May 26, 2021
Means of redress
May 26, 2021
Transmittal of decision / summons - opposition
May 26, 2021
Transmittal of decision / summons - opposition
May 25, 2021
Communication of amended entries
Apr 30, 2021
Request for change of opponent's representative
Apr 12, 2021
Consolidated list of cited opposition documents
Jun 16, 2020
Communication of a notice of opposition and request to file observations
Jun 16, 2020
Notice of further oppositions to opponent(s)
Jun 3, 2020
Communication of a notice of opposition - first information to patent proprietor
May 27, 2020
(Electronic) Receipt
May 27, 2020
Citation in opposition procedure - 001
May 27, 2020
Citation in opposition procedure - 002
May 27, 2020
Citation in opposition procedure - 003
May 27, 2020
Citation in opposition procedure - 004
May 27, 2020
Citation in opposition procedure - 005
May 27, 2020
Citation in opposition procedure - 006
May 27, 2020
Citation in opposition procedure - 007
May 27, 2020
Citation in opposition procedure - 007
May 27, 2020
Citation in opposition procedure - 007
May 27, 2020
Citation in opposition procedure - 008
May 27, 2020
Citation in opposition procedure - 009
May 27, 2020
Citation in opposition procedure - 010
May 27, 2020
Citation in opposition procedure - 011
May 27, 2020
Citation in opposition procedure - 012
May 27, 2020
Citation in opposition procedure - 013
May 27, 2020
Citation in opposition procedure - 014
May 27, 2020
Notice of opposition
May 27, 2020
Notice of opposition
May 27, 2020
Translation of the evidence during Opposition procedure
Sep 9, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 1, 2019
Decision to grant a European patent
Jul 16, 2019
(Electronic) Receipt
Jul 16, 2019
English translation of the claims
Jul 16, 2019
Filing of the translations of the claims
Jul 16, 2019
German translation of the claims
Jul 16, 2019
Letter accompanying subsequently filed items
Mar 22, 2019
Bibliographic data of the European patent application
Mar 22, 2019
Communication about intention to grant a European patent
Mar 22, 2019
Intention to grant (signatures)
Mar 22, 2019
Text intended for grant (clean copy)
Mar 22, 2019
Text intended for grant (version for approval)
Sep 28, 2018
(Electronic) Receipt
Sep 28, 2018
Amended claims with annotations
Sep 28, 2018
Claims
Sep 28, 2018
Letter accompanying subsequently filed items
Sep 28, 2018
Reply to communication from the Examining Division
Jul 18, 2018
Grant of extension of time limit (examination procedure)
Jul 13, 2018
(Electronic) Receipt
Jul 13, 2018
Letter accompanying subsequently filed items
Jul 13, 2018
Request for extension of time limit to communication from the Examining Division
Mar 19, 2018
Annex to the communication
Mar 19, 2018
Communication from the Examining Division
Mar 14, 2018
Examination started
Jan 3, 2018
Notification regarding date of start of examination with possibility to withdraw
Apr 19, 2016
(Electronic) Receipt
Apr 19, 2016
Amended claims filed after receipt of (European) search report
Apr 19, 2016
Amended claims with annotations
Apr 19, 2016
Amended description filed after receipt of (European) search report
Apr 19, 2016
Amended description with annotations
Apr 19, 2016
Amendments received before examination
Apr 19, 2016
Letter accompanying subsequently filed items
Dec 2, 2015
Notification on forthcoming publication of bibliographic data
Oct 22, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 15, 2015
Priority search results copy provided by EPO
Sep 23, 2015
Communication to designated inventor
Sep 23, 2015
Communication to designated inventor
Sep 9, 2015
Copy of the international preliminary report on patentability
Jul 31, 2015
(Electronic) Receipt
Jul 31, 2015
Request for entry into the European phase
Jul 3, 2015
Information on entry into European phase
Sep 16, 2014
Priority document (electronically transmitted)
Aug 28, 2014
Copy of the international search report
Aug 28, 2014
Copy of the international search report
Aug 28, 2014
International publication (Pamphlet)
Aug 28, 2014
Published international application - A1
Apr 28, 2014
Written opinion of the ISA, boxes No. I to VIII
Apr 28, 2014
Written opinion of the ISA, cover sheet
Apr 28, 2014
Written opinion of the ISA, supplemental box
Feb 18, 2014
(Electronic) Receipt
Feb 18, 2014
Abstract
Feb 18, 2014
Claims
Feb 18, 2014
Description
Feb 18, 2014
Drawings

EP2958856

LHOIST RECHERCHE ET DVELOPPEMENT

Application Number: EP14705329A
Filing Date: Feb 18, 2014
Status: Revoked; Sep 10, 2021
Publication Date: Aug 28, 2019
External Links: Slate, EP2958856B1, Google Patents