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IP Verse

Method And Apparatus For The Preparation Of Calcium Carbonate Coated Calcium Hydroxide Particles

Patent No. EP2766434 (titled "Method And Apparatus For The Preparation Of Calcium Carbonate Coated Calcium Hydroxide Particles") was filed by Biosenta on Oct 12, 2012. The application was issued on Dec 21, 2022.

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
LHOIST RECHERCHE ET DEVELOPPEMENT	Sep 29, 2021	CALYSTA

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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Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 24, 2022
Decision to maintain the European patent in amended form
Nov 18, 2022
Termination of the opposition proceedings with maintenance of patent
Nov 10, 2022
(Electronic) Receipt
Nov 10, 2022
Filing of the translation of the amended claims
Nov 10, 2022
Letter accompanying subsequently filed items
Oct 18, 2022
Communication of bibliographic data
Oct 18, 2022
Communication to opponent concerning maintenance
Oct 18, 2022
Communication with request to file translations
Oct 10, 2022
Maintenance of the patent with the documents specified in the final decision
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
Filing of the translation of the amended claims
Sep 9, 2022
French translation of claims
Sep 9, 2022
German translation of the claims
Sep 9, 2022
Letter accompanying subsequently filed items
Jun 30, 2022
Advice of delivery
Jun 24, 2022
(Electronic) Receipt
Jun 24, 2022
Advice of delivery
Jun 24, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
Decision of the Opposition Division and instruction
Jun 23, 2022
Druckexemplar in opposition procedure
Jun 23, 2022
Grounds for the decision (Annex) - opposition
Jun 23, 2022
Interlocutory decision in opposition proceedings
Jun 23, 2022
Interlocutory decision in opposition proceedings
Jun 23, 2022
Means of redress
Jun 23, 2022
Scanned annex to a communication - opposition procedure
Jun 23, 2022
Scanned annex to a communication - opposition procedure
Jun 23, 2022
Transmittal of decision / summons - opposition
Jun 23, 2022
Transmittal of decision / summons - opposition
May 9, 2022
Brief communication - Opposition proceedings
May 2, 2022
(Electronic) Receipt
May 2, 2022
Letter accompanying subsequently filed items
May 2, 2022
Reply to an examination report in opposition proceedings
Apr 26, 2022
Annex to the communication - opposition
Apr 26, 2022
Brief communication - Opposition proceedings
Apr 26, 2022
Brief communication - Opposition proceedings
Apr 26, 2022
Communication inviting the parties to file observations
Apr 26, 2022
Communication inviting the parties to file observations
Mar 30, 2022
Brief communication - Opposition proceedings
Mar 25, 2022
(Electronic) Receipt
Mar 25, 2022
Amended description with annotations
Mar 25, 2022
Description
Mar 25, 2022
Letter accompanying subsequently filed items
Mar 25, 2022
Main request during Opposition procedure
Mar 25, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 22, 2022
Brief communication - Opposition proceedings
Feb 22, 2022
Grant of extension of time limit (opposition procedure)
Feb 15, 2022
(Electronic) Receipt
Feb 15, 2022
Letter accompanying subsequently filed items
Feb 15, 2022
Request for extension of time limit
Oct 14, 2021
Communication of a notice of opposition and request to file observations
Oct 14, 2021
Notice of further oppositions to opponent(s)
Oct 5, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 30, 2021
Consolidated list of cited opposition documents
Sep 29, 2021
(Electronic) Receipt
Sep 29, 2021
Citation in opposition procedure - 001
Sep 29, 2021
Citation in opposition procedure - 002
Sep 29, 2021
Citation in opposition procedure - 003
Sep 29, 2021
Citation in opposition procedure - 004
Sep 29, 2021
Citation in opposition procedure - 005
Sep 29, 2021
Notice of opposition
Sep 29, 2021
Notice of opposition
Jan 18, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 3, 2020
Decision to grant a European patent
Dec 3, 2020
Intention to grant (signatures)
Nov 25, 2020
Bibliographic data of the European patent application
Nov 25, 2020
Information about intention to grant a patent
Nov 25, 2020
Text intended for grant (clean copy)
Nov 25, 2020
Text intended for grant (version for approval)
Oct 23, 2020
(Electronic) Receipt
Oct 23, 2020
Amended claims with annotations
Oct 23, 2020
Amended description with annotations
Oct 23, 2020
Claims
Oct 23, 2020
Description
Oct 23, 2020
French translation of claims
Oct 23, 2020
German translation of the claims
Oct 23, 2020
Letter accompanying subsequently filed items
Oct 23, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jun 19, 2020
Bibliographic data of the European patent application
Jun 19, 2020
Communication about intention to grant a European patent
Jun 19, 2020
Intention to grant (signatures)
Jun 19, 2020
Text intended for grant (clean copy)
Jun 19, 2020
Text intended for grant (version for approval)
May 18, 2020
(Electronic) Receipt
May 18, 2020
Amended claims with annotations
May 18, 2020
Claims
May 18, 2020
Letter accompanying subsequently filed items
May 18, 2020
Reply to communication from the Examining Division
Jan 21, 2020
Annex to the communication
Jan 21, 2020
Communication from the Examining Division
Dec 5, 2018
Notice drawing attention to the payment of the renewal fee and additional fee
Oct 6, 2017
(Electronic) Receipt
Oct 6, 2017
Amended claims with annotations
Oct 6, 2017
Amended description with annotations
Oct 6, 2017
Annex
Oct 6, 2017
Claims
Oct 6, 2017
Description
Oct 6, 2017
Letter accompanying subsequently filed items
Oct 6, 2017
Reply to communication from the Examining Division
Aug 7, 2017
Grant of extension of time limit (examination procedure)
Jul 27, 2017
(Electronic) Receipt
Jul 27, 2017
Request for extension of time limit to communication from the Examining Division
Mar 28, 2017
Annex to the communication
Mar 28, 2017
Communication from the Examining Division
Mar 13, 2017
Examination started
Jan 2, 2017
Notification regarding date of start of examination with possibility to withdraw
Oct 10, 2016
Letter concerning fees and payments
Oct 10, 2016
Payment of fees and costs
Dec 16, 2015
Communication of the registration of a transfer or change of name and/or address
Nov 28, 2015
Submission concerning a transfer of rights (applicant)
Nov 25, 2015
Submission concerning a transfer of rights (applicant)
Oct 23, 2015
Payment of fees and costs
Oct 23, 2015
Payment of fees and costs
Sep 28, 2015
Invitation to file an authorisation
Sep 1, 2015
(Electronic) Receipt
Sep 1, 2015
Authorisation
Sep 1, 2015
Authorisation
Sep 1, 2015
Letter accompanying subsequently filed items
Sep 1, 2015
Submission concerning a transfer of rights (applicant)
Aug 25, 2015
Amended claims filed after receipt of (European) search report
Aug 25, 2015
Amended claims with annotations
Aug 25, 2015
Amended description filed after receipt of (European) search report
Aug 25, 2015
Amended description with annotations
Aug 25, 2015
Amendments received before examination
Aug 15, 2015
Amended claims filed after receipt of (European) search report
Aug 15, 2015
Amended claims with annotations
Aug 15, 2015
Amended description filed after receipt of (European) search report
Aug 15, 2015
Amended description with annotations
Aug 15, 2015
Amendments received before examination
Aug 10, 2015
Letter accompanying subsequently filed items
Aug 10, 2015
Maintenance of the application
Aug 7, 2015
Letter accompanying subsequently filed items
Aug 7, 2015
Maintenance of the application
Aug 7, 2015
Maintenance of the application
Feb 13, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 28, 2015
Communication regarding the transmission of the European search report
Jan 28, 2015
European search opinion
Jan 28, 2015
Supplementary European search report
Jan 19, 2015
Search started
Jul 23, 2014
Notification on forthcoming publication of bibliographic data
Jun 30, 2014
(Electronic) Receipt
Jun 30, 2014
Letter accompanying subsequently filed items
Jun 30, 2014
Letter concerning fees and payments
May 30, 2014
Communication regarding possible amendment of the application/payment of claims fee
May 28, 2014
Refund of fees
May 27, 2014
Communication to designated inventor
May 27, 2014
Communication to designated inventor
May 13, 2014
(Electronic) Receipt
May 13, 2014
Amended claims filed after receipt of (European) search report
May 13, 2014
Request for entry into the European phase
Apr 30, 2014
Copy of the international preliminary report on patentability
Apr 17, 2014
Notification of the recording of a change
Apr 17, 2014
Notification of the recording of a change
Feb 21, 2014
Information on entry into European phase
May 14, 2013
Priority document (electronically transmitted)
Apr 18, 2013
Copy of the international search report
Apr 18, 2013
Published international application - A1

EP2766434

BIOSENTA

Application Number: EP12840442A
Filing Date: Oct 12, 2012
Status: Patent Maintained As Amended; Nov 18, 2022
Publication Date: Dec 21, 2022
External Links: Slate, EP2766434B2, Google Patents