High-Finesse Limewater Composition

Patent No. EP2895437 (titled "High-Finesse Limewater Composition") was filed by Lhoist Recherche ET Developpement on Sep 12, 2013. The application was issued on Aug 2, 2023.

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
SCHAEFER KALK	Mar 13, 2019	MAI BESIER
CARMEUSE RESEARCH AND TECHNOLOGY	Mar 12, 2019	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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Jul 6, 2023
Decision to maintain the European patent in amended form
Jul 6, 2023
Decision to maintain the European patent in amended form
Jul 6, 2023
Decision to maintain the European patent in amended form
Jun 30, 2023
Termination of the opposition proceedings with maintenance of patent
Jun 28, 2023
(Electronic) Receipt
Jun 28, 2023
English translation of the claims
Jun 28, 2023
Filing of the translation of the amended claims
Jun 28, 2023
German translation of the claims
Jun 28, 2023
Letter accompanying subsequently filed items
Mar 29, 2023
Refund of fees
Mar 28, 2023
Communication of bibliographic data
Mar 28, 2023
Communication to opponent concerning maintenance
Mar 28, 2023
Communication to opponent concerning maintenance
Mar 28, 2023
Communication with request to file translations
Mar 28, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 28, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 28, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 23, 2023
Maintenance of the patent with the documents specified in the final decision
Mar 22, 2023
(Electronic) Receipt
Mar 22, 2023
F3204 Communication of the file number to the parties
Mar 22, 2023
F3204 Communication of the file number to the parties
Mar 22, 2023
F3204 Communication of the file number to the parties
Mar 22, 2023
Letter accompanying subsequently filed items
Mar 22, 2023
Withdrawal of an appeal
Mar 21, 2023
Composition of the board (T)
Mar 2, 2023
(Electronic) Receipt
Mar 2, 2023
Letter accompanying subsequently filed items
Mar 2, 2023
Notice of appeal
Jan 9, 2023
Advice of delivery
Dec 27, 2022
Advice of delivery
Dec 23, 2022
Annex to the communication - opposition
Dec 23, 2022
Decision of the Opposition Division and instruction
Dec 23, 2022
Druckexemplar in opposition procedure
Dec 23, 2022
Grounds for the decision (Annex) - opposition
Dec 23, 2022
Interlocutory decision in opposition proceedings
Dec 23, 2022
Interlocutory decision in opposition proceedings
Dec 23, 2022
Interlocutory decision in opposition proceedings
Dec 23, 2022
Means of redress
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 23, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Provision of a copy of the minutes - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Scanned annex to a communication - opposition procedure
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Dec 23, 2022
Transmittal of decision / summons - opposition
Nov 10, 2022
Information about the result of oral proceedings
Oct 18, 2022
Brief communication - Opposition proceedings
Oct 18, 2022
Brief communication - Opposition proceedings
Oct 12, 2022
(Electronic) Receipt
Oct 12, 2022
Citation in opposition procedure - 023
Oct 12, 2022
Citation in opposition procedure - 023
Oct 12, 2022
Consolidated list of cited opposition documents
Oct 12, 2022
Letter accompanying subsequently filed items
Oct 12, 2022
Written submission in preparation to/during oral proceedings
Oct 5, 2022
Brief communication - Opposition proceedings
Oct 5, 2022
Brief communication - Opposition proceedings
Sep 29, 2022
(Electronic) Receipt
Sep 29, 2022
Citation in opposition procedure - 005
Sep 29, 2022
Letter accompanying subsequently filed items
Sep 29, 2022
Written submission in preparation to/during oral proceedings
Sep 19, 2022
Brief communication - Opposition proceedings
Sep 19, 2022
Brief communication - Opposition proceedings
Sep 19, 2022
Brief communication - Opposition proceedings
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
Authorisation
Sep 9, 2022
Citation in opposition procedure - 034
Sep 9, 2022
Citation in opposition procedure - 035
Sep 9, 2022
Letter accompanying subsequently filed items
Sep 9, 2022
Letter accompanying subsequently filed items
Sep 9, 2022
Letter accompanying subsequently filed items
Sep 9, 2022
Letter accompanying subsequently filed items
Sep 9, 2022
Written submission in preparation to/during oral proceedings
Sep 9, 2022
Written submission in preparation to/during oral proceedings
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
Written submission in preparation to/during oral proceedings
Aug 3, 2022
Cover sheet for fax transmission
Aug 3, 2022
Written submission in preparation to/during oral proceedings
Jul 19, 2022
Notification concerning the date of oral proceedings
Jul 19, 2022
Notification concerning the date of oral proceedings
Jul 19, 2022
Notification concerning the date of oral proceedings
Jul 19, 2022
Notification concerning the date of oral proceedings
Mar 22, 2022
Advice of delivery
Mar 21, 2022
Brief communication - Opposition proceedings
Mar 21, 2022
Brief communication - Opposition proceedings
Mar 16, 2022
(Electronic) Receipt
Mar 16, 2022
Letter accompanying subsequently filed items
Mar 16, 2022
Request for interpreters during oral proceedings
Mar 15, 2022
(Electronic) Receipt
Mar 15, 2022
Advice of delivery
Mar 15, 2022
Advice of delivery
Mar 15, 2022
Advice of delivery
Mar 15, 2022
Annex to the communication - opposition
Mar 15, 2022
Letter accompanying subsequently filed items
Mar 15, 2022
Scanned annex to a communication - opposition procedure
Mar 15, 2022
Transmittal of decision / summons - opposition
Mar 15, 2022
Transmittal of decision / summons - opposition
Mar 15, 2022
Transmittal of decision / summons - opposition
Mar 15, 2022
Transmittal of decision / summons - opposition
Nov 30, 2021
Advice of delivery
Nov 23, 2021
(Electronic) Receipt
Nov 23, 2021
Advice of delivery
Nov 23, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Advice of delivery
Nov 17, 2021
Annex to the communication - opposition
Nov 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 17, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 17, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 17, 2021
Provision of a copy of the minutes - opposition procedure
Nov 17, 2021
Provision of a copy of the minutes - opposition procedure
Nov 17, 2021
Provision of a copy of the minutes - opposition procedure
Nov 17, 2021
Transmittal of decision / summons - opposition
Nov 17, 2021
Transmittal of decision / summons - opposition
Nov 17, 2021
Transmittal of decision / summons - opposition
Nov 8, 2021
Enlargement of the examining/opposition division
Oct 7, 2021
Information about the result of oral proceedings
Sep 8, 2021
Brief communication - Opposition proceedings
Sep 8, 2021
Brief communication - Opposition proceedings
Sep 3, 2021
(Electronic) Receipt
Sep 3, 2021
Authorisation
Sep 3, 2021
Letter accompanying subsequently filed items
Sep 3, 2021
Written submission in preparation to/during oral proceedings
Aug 19, 2021
(Electronic) Receipt
Aug 19, 2021
Letter accompanying subsequently filed items
Aug 16, 2021
Brief communication - Opposition proceedings
Aug 16, 2021
Brief communication - Opposition proceedings
Aug 6, 2021
Written submission in preparation to/during oral proceedings
Aug 5, 2021
Written submission in preparation to/during oral proceedings
Aug 4, 2021
Brief communication - Opposition proceedings
Aug 4, 2021
Brief communication - Opposition proceedings
Jul 29, 2021
(Electronic) Receipt
Jul 29, 2021
Request for interpreters during oral proceedings
Jul 29, 2021
Written submission in preparation to/during oral proceedings
Jul 28, 2021
Brief communication - Opposition proceedings
Jul 28, 2021
Brief communication - Opposition proceedings
Jul 23, 2021
Written submission in preparation to/during oral proceedings
Jul 1, 2021
Brief communication - Opposition proceedings
Jul 1, 2021
Brief communication - Opposition proceedings
Jun 28, 2021
(Electronic) Receipt
Jun 28, 2021
Letter accompanying subsequently filed items
Jun 28, 2021
Written submission in preparation to/during oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
May 10, 2021
Communication of amended entries
Apr 30, 2021
Request for change of opponent's representative
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
(Electronic) Receipt
Dec 15, 2020
Letter accompanying subsequently filed items
Dec 15, 2020
Request for interpreters during oral proceedings
Dec 7, 2020
Brief communication - Opposition proceedings
Dec 7, 2020
Brief communication - Opposition proceedings
Nov 30, 2020
Request for interpreters during oral proceedings
Nov 9, 2020
Advice of delivery
Nov 9, 2020
Cover sheet for fax transmission
Nov 6, 2020
Advice of delivery
Nov 3, 2020
Advice of delivery
Oct 29, 2020
Acknowledgement of a document
Oct 29, 2020
Acknowledgement of a document
Oct 29, 2020
Acknowledgement of a document
Oct 29, 2020
Annex to the communication - opposition
Oct 29, 2020
Summons to attend oral proceedings
Oct 29, 2020
Summons to attend oral proceedings
Oct 29, 2020
Summons to attend oral proceedings
Sep 15, 2020
Communication of amended entries
Sep 1, 2020
Request concerning representative opponent
Aug 19, 2020
Notification concerning the date of oral proceedings
Aug 19, 2020
Notification concerning the date of oral proceedings
Aug 19, 2020
Notification concerning the date of oral proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Citation in opposition procedure - 024
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Oral proceedings: reply to date proposed
Aug 7, 2020
Written submission in preparation to/during oral proceedings
Aug 6, 2020
Citation in opposition procedure - 023
Aug 6, 2020
Written submission in preparation to/during oral proceedings
Jul 27, 2020
Brief communication - Opposition proceedings
Jul 27, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
Brief communication - Opposition proceedings
Jul 22, 2020
(Electronic) Receipt
Jul 22, 2020
Letter accompanying subsequently filed items
Jul 22, 2020
Oral proceedings: reply to date proposed
Jul 16, 2020
Oral proceedings: reply to date proposed
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jun 30, 2020
Brief communication - Opposition proceedings
Jun 30, 2020
Brief communication - Opposition proceedings
Jun 24, 2020
Written submission in preparation to/during oral proceedings
Jun 19, 2020
Brief communication - Opposition proceedings
Jun 19, 2020
Brief communication - Opposition proceedings
Jun 19, 2020
Brief communication - Opposition proceedings
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
Request for interpreters during oral proceedings
Jun 17, 2020
Written submission in preparation to/during oral proceedings
Jan 28, 2020
Advice of delivery
Jan 24, 2020
Communication about missing advice of delivery
Dec 12, 2019
(Electronic) Receipt
Dec 12, 2019
Advice of delivery
Dec 12, 2019
Letter accompanying subsequently filed items
Dec 9, 2019
Advice of delivery
Dec 4, 2019
Acknowledgement of a document
Dec 4, 2019
Acknowledgement of a document
Dec 4, 2019
Acknowledgement of a document
Dec 4, 2019
Annex to the communication - opposition
Dec 4, 2019
Information concerning oral proceedings
Dec 4, 2019
Scanned annex to a communication - opposition procedure
Dec 4, 2019
Summons to attend oral proceedings
Dec 4, 2019
Summons to attend oral proceedings
Dec 4, 2019
Summons to attend oral proceedings
Sep 2, 2019
Brief communication - Opposition proceedings
Sep 2, 2019
Brief communication - Opposition proceedings
Aug 23, 2019
Citation in opposition procedure - 024
Aug 23, 2019
Letter regarding the opposition procedure (no time limit)
Aug 12, 2019
Brief communication - Opposition proceedings
Aug 12, 2019
Brief communication - Opposition proceedings
Aug 6, 2019
(Electronic) Receipt
Aug 6, 2019
Auxiliary request during Opposition procedure - 01
Aug 6, 2019
Auxiliary request during Opposition procedure - 02
Aug 6, 2019
Auxiliary request during Opposition procedure - 03
Aug 6, 2019
Auxiliary request during Opposition procedure - 04
Aug 6, 2019
Letter accompanying subsequently filed items
Aug 6, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 16, 2019
Communication of amended entries concerning the representative
Apr 19, 2019
Submission concerning change of proprietor's representative
Mar 28, 2019
Communication of a notice of opposition and request to file observations
Mar 28, 2019
Notice of further oppositions to opponent(s)
Mar 28, 2019
Notice of further oppositions to opponent(s)
Mar 20, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 18, 2019
Citation in opposition procedure - 026
Mar 18, 2019
Letter regarding the opposition procedure (no time limit)
Mar 15, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
Citation in opposition procedure - 008
Mar 13, 2019
Citation in opposition procedure - 008
Mar 13, 2019
Citation in opposition procedure - 009
Mar 13, 2019
Citation in opposition procedure - 010
Mar 13, 2019
Citation in opposition procedure - 011
Mar 13, 2019
Citation in opposition procedure - 011
Mar 13, 2019
Citation in opposition procedure - 012
Mar 13, 2019
Citation in opposition procedure - 012
Mar 13, 2019
Citation in opposition procedure - 013
Mar 13, 2019
Citation in opposition procedure - 013
Mar 13, 2019
Citation in opposition procedure - 014
Mar 13, 2019
Citation in opposition procedure - 014
Mar 13, 2019
Citation in opposition procedure - 015
Mar 13, 2019
Citation in opposition procedure - 016
Mar 13, 2019
Citation in opposition procedure - 017
Mar 13, 2019
Citation in opposition procedure - 018
Mar 13, 2019
Citation in opposition procedure - 019
Mar 13, 2019
Citation in opposition procedure - 020
Mar 13, 2019
Citation in opposition procedure - 021
Mar 13, 2019
Citation in opposition procedure - 022
Mar 13, 2019
Citation in opposition procedure - 023
Mar 13, 2019
Citation in opposition procedure - 023
Mar 13, 2019
Citation in opposition procedure - 023
Mar 13, 2019
Citation in opposition procedure - 023
Mar 13, 2019
Citation in opposition procedure - 023
Mar 13, 2019
Citation in opposition procedure - 024
Mar 13, 2019
Citation in opposition procedure - 025
Mar 13, 2019
Citation in opposition procedure - 026
Mar 13, 2019
Citation in opposition procedure - 027
Mar 13, 2019
Citation in opposition procedure - 028
Mar 13, 2019
Citation in opposition procedure - 029
Mar 13, 2019
Citation in opposition procedure - 030
Mar 13, 2019
Citation in opposition procedure - 031
Mar 13, 2019
Citation in opposition procedure - 032
Mar 13, 2019
Notice of opposition
Mar 13, 2019
Notice of opposition
Mar 12, 2019
(Electronic) Receipt
Mar 12, 2019
Citation in opposition procedure - 001
Mar 12, 2019
Citation in opposition procedure - 002
Mar 12, 2019
Citation in opposition procedure - 003
Mar 12, 2019
Citation in opposition procedure - 004
Mar 12, 2019
Citation in opposition procedure - 005
Mar 12, 2019
Citation in opposition procedure - 006
Mar 12, 2019
Citation in opposition procedure - 007
Mar 12, 2019
Citation in opposition procedure - 008
Mar 12, 2019
Notice of opposition
Mar 12, 2019
Notice of opposition
Jun 25, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 17, 2018
Decision to grant a European patent
May 4, 2018
(Electronic) Receipt
May 4, 2018
English translation of the claims
May 4, 2018
Filing of the translations of the claims
May 4, 2018
German translation of the claims
May 4, 2018
Letter accompanying subsequently filed items
Jan 3, 2018
Bibliographic data of the European patent application
Jan 3, 2018
Communication about intention to grant a European patent
Jan 3, 2018
Intention to grant (signatures)
Jan 3, 2018
Text intended for grant (clean copy)
Jan 3, 2018
Text intended for grant (version for approval)
Dec 11, 2017
Examination started
May 12, 2017
Response to enquiry for communication from the Examining Division
Apr 27, 2017
(Electronic) Receipt
Apr 27, 2017
Enquiry as to the processing of the file
Apr 27, 2017
Letter accompanying subsequently filed items
Apr 21, 2017
Deficiencies in an enquiry
Apr 12, 2017
(Electronic) Receipt
Apr 12, 2017
Enquiry as to when a communication from the Examining Division can be expected
Apr 12, 2017
Letter accompanying subsequently filed items
Nov 18, 2015
(Electronic) Receipt
Nov 18, 2015
Amended drawings filed after receipt of (European) search report
Nov 18, 2015
Letter accompanying subsequently filed items
Nov 18, 2015
Matter concerning the application
Nov 4, 2015
Refund of fees
Oct 22, 2015
(Electronic) Receipt
Oct 22, 2015
Amended claims filed after receipt of (European) search report
Oct 22, 2015
Amended claims with annotations
Oct 22, 2015
Amended description filed after receipt of (European) search report
Oct 22, 2015
Amended description with annotations
Oct 22, 2015
Amendments received before examination
Oct 22, 2015
Letter accompanying subsequently filed items
Jun 24, 2015
Notification on forthcoming publication of bibliographic data
Apr 21, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Apr 17, 2015
Communication to designated inventor
Apr 17, 2015
Communication to designated inventor
Apr 14, 2015
Priority search results copy provided by EPO
Mar 31, 2015
Copy of the international preliminary report on patentability
Feb 11, 2015
Notice on debiting of fees
Feb 6, 2015
Note on telephone consultation
Jan 23, 2015
Information on entry into European phase
Dec 22, 2014
(Electronic) Receipt
Dec 22, 2014
Request for entry into the European phase
Apr 9, 2014
Priority document (electronically transmitted)
Apr 9, 2014
Priority document (electronically transmitted)
Mar 20, 2014
Copy of the international search report
Mar 20, 2014
Copy of the translated international search report
Mar 20, 2014
Published international application - A1
Jan 8, 2014
Written opinion of the ISA, boxes No. I to VIII
Jan 8, 2014
Written opinion of the ISA, cover sheet
Jan 8, 2014
Written opinion of the ISA, supplemental box
Sep 12, 2013
(Electronic) Receipt
Sep 12, 2013
Abstract
Sep 12, 2013
Claims
Sep 12, 2013
Description
Sep 12, 2013
Drawings

EP2895437

LHOIST RECHERCHE ET DEVELOPPEMENT

Application Number: EP13759780A
Filing Date: Sep 12, 2013
Status: Patent Maintained As Amended; Jun 30, 2023
Publication Date: Aug 2, 2023
External Links: Slate, Register , Google Patents

IP Verse

High-Finesse Limewater Composition

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2895437