Method For The Preparation Of Highly Reactive Cements

Patent No. EP3106445 (titled "Method For The Preparation Of Highly Reactive Cements") was filed by Heidelbergcement on Jun 16, 2015. The application was issued on Jun 16, 2021.

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
CELITEMENT	Jun 3, 2019	FDST PATENTANWALTE

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 20, 2021
Decision to maintain the European patent in amended form
May 20, 2021
Decision to maintain the European patent in amended form
May 19, 2021
Refund of fees
May 14, 2021
Termination of the opposition proceedings with maintenance of patent
May 10, 2021
(Electronic) Receipt
May 10, 2021
English translation of the claims
May 10, 2021
Filing of the translation of the amended claims
May 10, 2021
French translation of claims
May 10, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Communication of bibliographic data
Mar 19, 2021
Communication to opponent concerning maintenance
Mar 19, 2021
Communication with request to file translations
Mar 16, 2021
Maintenance of the patent with the documents specified in the final decision
Feb 15, 2021
Maintenance of the patent with the documents specified in the final decision
Feb 12, 2021
Refund of fees
Feb 9, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 9, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Feb 9, 2021
Refund of fees
Feb 4, 2021
F3345 Forwarding of submissions to parties
Feb 3, 2021
Composition of the board (T)
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Letter accompanying subsequently filed items
Feb 2, 2021
Withdrawal of an appeal
Jan 29, 2021
(Electronic) Receipt
Jan 29, 2021
Letter accompanying subsequently filed items
Jan 29, 2021
Withdrawal of an appeal
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 21, 2021
F3204 Communication of the file number to the parties
Jan 12, 2021
(Electronic) Receipt
Jan 12, 2021
Letter accompanying subsequently filed items
Jan 12, 2021
Notice of appeal
Dec 23, 2020
Brief communication - Opposition proceedings
Dec 15, 2020
Advice of delivery
Dec 8, 2020
(Electronic) Receipt
Dec 8, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
Letter accompanying subsequently filed items
Dec 8, 2020
Notice of appeal
Nov 23, 2020
(Electronic) Receipt
Nov 23, 2020
Advice of delivery
Nov 23, 2020
Advice of delivery
Nov 23, 2020
Letter accompanying subsequently filed items
Nov 18, 2020
Acknowledgement of a document
Nov 18, 2020
Acknowledgement of a document
Nov 18, 2020
Acknowledgement of a document
Nov 18, 2020
Annex to the communication - opposition
Nov 18, 2020
Any annexes (other than citation) to an opposition letter
Nov 18, 2020
Any annexes (other than citation) to an opposition letter
Nov 18, 2020
Any annexes (other than citation) to an opposition letter
Nov 18, 2020
Decision of the Opposition Division and instruction
Nov 18, 2020
Druckexemplar in opposition procedure
Nov 18, 2020
Grounds for the decision (Annex) - opposition
Nov 18, 2020
Interlocutory decision in opposition proceedings
Nov 18, 2020
Internal form - Opposition/addressees
Nov 18, 2020
Internal form - Opposition/addressees
Nov 18, 2020
Means of redress
Nov 18, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 18, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 18, 2020
Provision of a copy of the minutes - opposition procedure
Oct 2, 2020
Request for interpreters during oral proceedings
Sep 29, 2020
Brief communication - Opposition proceedings
Sep 29, 2020
Information about the result of oral proceedings
Sep 15, 2020
(Electronic) Receipt
Sep 15, 2020
Citation in opposition procedure - 012
Sep 15, 2020
Consolidated list of cited opposition documents
Sep 15, 2020
Letter accompanying subsequently filed items
Sep 15, 2020
Written submission in preparation to/during oral proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
Brief communication - Opposition proceedings
Aug 3, 2020
Communication of amended entries
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
(Electronic) Receipt
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure
Jul 29, 2020
Auxiliary request during Opposition procedure - 02
Jul 29, 2020
Auxiliary request during Opposition procedure - 03
Jul 29, 2020
Auxiliary request during Opposition procedure - 04
Jul 29, 2020
Auxiliary request during Opposition procedure - 05
Jul 29, 2020
Auxiliary request during Opposition procedure - 06
Jul 29, 2020
Auxiliary request during Opposition procedure - 07
Jul 29, 2020
Letter accompanying subsequently filed items
Jul 29, 2020
Request for change of name -opponent
Jul 29, 2020
Request for interpreters during oral proceedings
Jul 29, 2020
Written submission in preparation to/during oral proceedings
Jul 29, 2020
Written submission in preparation to/during oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Jul 15, 2020
Notification concerning the date of oral proceedings
Feb 25, 2020
Advice of delivery
Feb 21, 2020
(Electronic) Receipt
Feb 21, 2020
Advice of delivery
Feb 21, 2020
Letter accompanying subsequently filed items
Feb 18, 2020
Acknowledgement of a document
Feb 18, 2020
Acknowledgement of a document
Feb 18, 2020
Annex to the communication - opposition
Feb 18, 2020
Information concerning oral proceedings
Feb 18, 2020
Summons to attend oral proceedings
Feb 18, 2020
Summons to attend oral proceedings
Dec 3, 2019
Brief communication - Opposition proceedings
Nov 27, 2019
Letter regarding the opposition procedure (no time limit)
Oct 21, 2019
Brief communication - Opposition proceedings
Oct 16, 2019
(Electronic) Receipt
Oct 16, 2019
Auxiliary request during Opposition procedure
Oct 16, 2019
Auxiliary request during Opposition procedure - 01
Oct 16, 2019
Letter accompanying subsequently filed items
Oct 16, 2019
Main request during Opposition procedure
Oct 16, 2019
Main request during Opposition procedure
Oct 16, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 24, 2019
Communication of a notice of opposition and request to file observations
Jun 24, 2019
Notice of further oppositions to opponent(s)
Jun 12, 2019
Communication of a notice of opposition - first information to patent proprietor
Jun 3, 2019
(Electronic) Receipt
Jun 3, 2019
Citation in opposition procedure - 001
Jun 3, 2019
Citation in opposition procedure - 002
Jun 3, 2019
Citation in opposition procedure - 003
Jun 3, 2019
Citation in opposition procedure - 004
Jun 3, 2019
Citation in opposition procedure - 005
Jun 3, 2019
Citation in opposition procedure - 006
Jun 3, 2019
Citation in opposition procedure - 007
Jun 3, 2019
Citation in opposition procedure - 008
Jun 3, 2019
Citation in opposition procedure - 009
Jun 3, 2019
Citation in opposition procedure - 010
Jun 3, 2019
Citation in opposition procedure - 011
Jun 3, 2019
Notice of opposition
Jun 3, 2019
Notice of opposition
Sep 17, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 9, 2018
Decision to grant a European patent
Jul 23, 2018
(Electronic) Receipt
Jul 23, 2018
English translation of the claims
Jul 23, 2018
Filing of the translations of the claims
Jul 23, 2018
French translation of claims
Jul 23, 2018
Letter accompanying subsequently filed items
Mar 22, 2018
Bibliographic data of the European patent application
Mar 22, 2018
Communication about intention to grant a European patent
Mar 22, 2018
Intention to grant (signatures)
Mar 22, 2018
Text intended for grant (clean copy)
Mar 22, 2018
Text intended for grant (version for approval)
Mar 9, 2018
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 2, 2018
(Electronic) Receipt
Mar 2, 2018
Description
Mar 2, 2018
Letter accompanying subsequently filed items
Mar 2, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 15, 2017
Bibliographic data of the European patent application
Nov 15, 2017
Communication about intention to grant a European patent
Nov 15, 2017
Intention to grant (signatures)
Nov 15, 2017
Text intended for grant (clean copy)
Nov 15, 2017
Text intended for grant (version for approval)
Nov 2, 2017
Examination started
Jun 2, 2017
(Electronic) Receipt
Jun 2, 2017
Amended claims filed after receipt of (European) search report
Jun 2, 2017
Amended claims with annotations
Jun 2, 2017
Amendments received before examination
Jun 2, 2017
Letter accompanying subsequently filed items
Jun 2, 2017
Written request for examination
Jan 27, 2017
Communication of amended entries concerning the representative
Jan 23, 2017
Submission concerning change of applicant's representative
Jan 16, 2017
CDS Clean up - amended data concerning the representative for the applicant
Jan 2, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 19, 2016
Submission concerning representation
Nov 23, 2016
Notification of forthcoming publication
Jul 19, 2016
Communication to designated inventor
Jul 19, 2016
Communication to designated inventor
Jul 6, 2016
Letter concerning the inventor
Dec 14, 2015
Communication regarding the transmission of the European search report
Dec 14, 2015
European search opinion
Dec 14, 2015
European search report
Dec 14, 2015
Information on Search Strategy
Nov 20, 2015
Search started
Sep 8, 2015
Communication to designated inventor
Sep 8, 2015
Communication to designated inventor
Sep 8, 2015
Communication to designated inventor
Sep 8, 2015
Communication to designated inventor
Jul 3, 2015
Designation of inventor
Jul 3, 2015
Letter concerning the inventor
Jun 16, 2015
Abstract
Jun 16, 2015
Claims
Jun 16, 2015
Description
Jun 16, 2015
Drawings
Jun 16, 2015
Request for grant of a European patent

EP3106445

HEIDELBERGCEMENT

Application Number: EP15001774A
Filing Date: Jun 16, 2015
Status: Patent Maintained As Amended; May 14, 2021
Publication Date: Jun 16, 2021
External Links: Slate, Register , Google Patents

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Method For The Preparation Of Highly Reactive Cements

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Dossier Documents

EP3106445