A Composition Comprising Calcium Carbonate As A White Pigment

Patent No. EP2385766 (titled "A Composition Comprising Calcium Carbonate As A White Pigment") was filed by CHR Hansen on Dec 28, 2009. The application was issued on Mar 23, 2022.

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
AECHTER	Jan 18, 2019	TER MEER STEINMEISTER & PARTNER

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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Feb 24, 2022
Decision to maintain the European patent in amended form
Feb 24, 2022
Decision to maintain the European patent in amended form
Feb 18, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 13, 2021
(Electronic) Receipt
Oct 13, 2021
Communication of bibliographic data
Oct 13, 2021
Communication to opponent concerning maintenance
Oct 13, 2021
Communication with request to file translations
Oct 13, 2021
French translation of claims
Oct 13, 2021
German translation of the claims
Oct 13, 2021
Letter accompanying subsequently filed items
Oct 13, 2021
Refund of fees
Oct 11, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 11, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Oct 7, 2021
Maintenance of the patent with the documents specified in the final decision
Oct 7, 2021
Maintenance of the patent with the documents specified in the final decision
Oct 5, 2021
Composition of the board (T)
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
Letter accompanying subsequently filed items
Oct 1, 2021
Withdrawal of an appeal
Aug 17, 2021
F3204 Communication of the file number to the parties
Aug 17, 2021
F3204 Communication of the file number to the parties
Aug 11, 2021
(Electronic) Receipt
Aug 11, 2021
Letter accompanying subsequently filed items
Aug 11, 2021
Notice of appeal
Jun 30, 2021
Advice of delivery
Jun 28, 2021
(Electronic) Receipt
Jun 28, 2021
Advice of delivery
Jun 28, 2021
Letter accompanying subsequently filed items
Jun 25, 2021
Annex to the communication - opposition
Jun 25, 2021
Decision of the Opposition Division and instruction
Jun 25, 2021
Druckexemplar in opposition procedure
Jun 25, 2021
Grounds for the decision (Annex) - opposition
Jun 25, 2021
Interlocutory decision in opposition proceedings
Jun 25, 2021
Interlocutory decision in opposition proceedings
Jun 25, 2021
Means of redress
Jun 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 25, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 25, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 25, 2021
Provision of a copy of the minutes - opposition procedure
Jun 25, 2021
Provision of a copy of the minutes - opposition procedure
Jun 25, 2021
Scanned annex to a communication - opposition procedure
Jun 25, 2021
Transmittal of decision / summons - opposition
Jun 25, 2021
Transmittal of decision / summons - opposition
Apr 28, 2021
Brief communication - Opposition proceedings
Apr 26, 2021
Information about the result of oral proceedings
Apr 20, 2021
Auxiliary request during Opposition procedure - 01
Apr 20, 2021
Auxiliary request during Opposition procedure - 02
Apr 20, 2021
Auxiliary request during Opposition procedure - 03
Apr 20, 2021
Auxiliary request during Opposition procedure - 04
Apr 20, 2021
Auxiliary request during Opposition procedure - 05
Apr 20, 2021
Auxiliary request during Opposition procedure - 06
Apr 20, 2021
Auxiliary request during Opposition procedure - 07
Apr 20, 2021
Auxiliary request during Opposition procedure - 08
Apr 20, 2021
Auxiliary request during Opposition procedure - 09
Apr 20, 2021
Written submission in preparation to/during oral proceedings
Mar 26, 2021
Brief communication - Opposition proceedings
Mar 26, 2021
Communication concerning the filing of a power of attorney
Mar 26, 2021
Communication of amended entries concerning the representative
Mar 26, 2021
Confirmation of revocation of automatic debit order
Mar 23, 2021
Letter relating to the automatic debiting procedure
Mar 15, 2021
Annexes in respect of a client data request
Mar 15, 2021
General authorisation
Mar 15, 2021
Submission concerning change of proprietor's representative
Mar 8, 2021
Brief communication - Opposition proceedings
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 26, 2021
Written submission in preparation to/during oral proceedings
Jan 28, 2021
Notification concerning the date of oral proceedings
Jan 28, 2021
Notification concerning the date of oral proceedings
Nov 23, 2020
Advice of delivery
Nov 18, 2020
Advice of delivery
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Acknowledgement of a document
Nov 17, 2020
Annex to the communication - opposition
Nov 17, 2020
Information concerning oral proceedings
Nov 17, 2020
Summons to attend oral proceedings
Nov 17, 2020
Summons to attend oral proceedings
Oct 9, 2020
Brief communication - Opposition proceedings
Oct 9, 2020
Notification concerning the date of oral proceedings
Oct 9, 2020
Notification concerning the date of oral proceedings
Oct 8, 2020
Brief communication - Opposition proceedings
Oct 6, 2020
(Electronic) Receipt
Oct 6, 2020
Brief communication - Opposition proceedings
Oct 6, 2020
Letter accompanying subsequently filed items
Oct 6, 2020
Notification concerning the date of oral proceedings
Oct 6, 2020
Notification concerning the date of oral proceedings
Oct 6, 2020
Oral proceedings: reply to date proposed
Oct 5, 2020
(Electronic) Receipt
Oct 5, 2020
Letter accompanying subsequently filed items
Oct 5, 2020
Oral proceedings: reply to date proposed
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
Citation in opposition procedure - 013
Sep 30, 2020
Citation in opposition procedure - 014
Sep 30, 2020
Citation in opposition procedure - 015
Sep 30, 2020
Consolidated list of cited opposition documents
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Written submission in preparation to/during oral proceedings
Jun 8, 2020
Advice of delivery
Jun 2, 2020
Advice of delivery
May 26, 2020
Annex to the communication - opposition
May 26, 2020
Information concerning oral proceedings
May 26, 2020
Summons to attend oral proceedings
May 26, 2020
Summons to attend oral proceedings
Mar 16, 2020
Notification concerning the date of oral proceedings
Mar 16, 2020
Notification concerning the date of oral proceedings
Mar 13, 2020
Brief communication - Opposition proceedings
Mar 9, 2020
(Electronic) Receipt
Mar 9, 2020
Letter accompanying subsequently filed items
Mar 9, 2020
Oral proceedings: Request for postponement
Jan 23, 2020
Brief communication - Opposition proceedings
Jan 17, 2020
(Electronic) Receipt
Jan 17, 2020
Any annexes (other than citation) to an opposition letter
Jan 17, 2020
Any annexes (other than citation) to an opposition letter
Jan 17, 2020
Any annexes (other than citation) to an opposition letter
Jan 17, 2020
Citation in opposition procedure - 010
Jan 17, 2020
Citation in opposition procedure - 011
Jan 17, 2020
Citation in opposition procedure - 012
Jan 17, 2020
Letter accompanying subsequently filed items
Jan 17, 2020
Written submission in preparation to/during oral proceedings
Jan 16, 2020
Brief communication - Opposition proceedings
Jan 7, 2020
(Electronic) Receipt
Jan 7, 2020
Auxiliary request during Opposition procedure
Jan 7, 2020
Auxiliary request during Opposition procedure - 02
Jan 7, 2020
Citation in opposition procedure - 009
Jan 7, 2020
Letter accompanying subsequently filed items
Jan 7, 2020
Written submission in preparation to/during oral proceedings
Sep 9, 2019
Advice of delivery
Sep 4, 2019
Advice of delivery
Sep 3, 2019
Advice of delivery
Aug 29, 2019
Advice of delivery
Aug 28, 2019
Acknowledgement of a document
Aug 28, 2019
Acknowledgement of a document
Aug 28, 2019
Information concerning oral proceedings
Aug 28, 2019
Notification concerning the date of oral proceedings
Aug 28, 2019
Notification concerning the date of oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Aug 28, 2019
Summons to attend oral proceedings
Aug 22, 2019
Brief communication - Opposition proceedings
Aug 14, 2019
(Electronic) Receipt
Aug 14, 2019
Any annexes (other than citation) to an opposition letter
Aug 14, 2019
Letter accompanying subsequently filed items
Aug 14, 2019
Written submission in preparation to/during oral proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 2, 2019
Brief communication - Opposition proceedings
Aug 1, 2019
(Electronic) Receipt
Aug 1, 2019
Letter accompanying subsequently filed items
Aug 1, 2019
Oral proceedings: Request for postponement
Jul 30, 2019
Advice of delivery
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Request for interpreters during oral proceedings
Jul 25, 2019
Advice of delivery
Jul 25, 2019
Advice of delivery
Jul 24, 2019
Advice of delivery
Jul 19, 2019
Acknowledgement of a document
Jul 19, 2019
Acknowledgement of a document
Jul 19, 2019
Annex to the communication - opposition
Jul 19, 2019
Information concerning oral proceedings
Jul 19, 2019
Summons to attend oral proceedings
Jul 19, 2019
Summons to attend oral proceedings
Jun 6, 2019
Brief communication - Opposition proceedings
Jun 6, 2019
Communication of amended entries concerning the representative
May 30, 2019
(Electronic) Receipt
May 30, 2019
Auxiliary request during Opposition procedure
May 30, 2019
Auxiliary request during Opposition procedure - 01
May 30, 2019
Citation in opposition procedure - 008
May 30, 2019
Letter accompanying subsequently filed items
May 30, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 24, 2019
(Electronic) Receipt
May 24, 2019
Letter accompanying subsequently filed items
May 24, 2019
Request for change of opponent's representative
May 23, 2019
(Electronic) Receipt
May 23, 2019
General authorisation
May 23, 2019
Letter accompanying subsequently filed items
May 23, 2019
Request for change of opponent's representative
Feb 4, 2019
Communication of a notice of opposition and request to file observations
Feb 4, 2019
Notice of further oppositions to opponent(s)
Jan 28, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 18, 2019
(Electronic) Receipt
Jan 18, 2019
Citation in opposition procedure - 001
Jan 18, 2019
Citation in opposition procedure - 002
Jan 18, 2019
Citation in opposition procedure - 003
Jan 18, 2019
Citation in opposition procedure - 004
Jan 18, 2019
Citation in opposition procedure - 005
Jan 18, 2019
Citation in opposition procedure - 006
Jan 18, 2019
Citation in opposition procedure - 007
Jan 18, 2019
Notice of opposition
Jan 18, 2019
Notice of opposition
Apr 30, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 22, 2018
Decision to grant a European patent
Oct 3, 2017
(Electronic) Receipt
Oct 3, 2017
Filing of the translations of the claims
Oct 3, 2017
French translation of claims
Oct 3, 2017
German translation of the claims
Oct 3, 2017
Letter accompanying subsequently filed items
Sep 29, 2017
Bibliographic data of the European patent application
Sep 29, 2017
Communication about intention to grant a European patent
Sep 29, 2017
Intention to grant (signatures)
Sep 29, 2017
Text intended for grant (clean copy)
Sep 29, 2017
Text intended for grant (version for approval)
Sep 15, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Sep 11, 2017
(Electronic) Receipt
Sep 11, 2017
Amended description with annotations
Sep 11, 2017
Description
Sep 11, 2017
Letter accompanying subsequently filed items
Sep 11, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 5, 2017
Communication concerning deficiencies in subsequently filed documents
Jun 27, 2017
(Electronic) Receipt
Jun 27, 2017
Description
Jun 27, 2017
Letter accompanying subsequently filed items
Jun 27, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Mar 21, 2017
Bibliographic data of the European patent application
Mar 21, 2017
Communication about intention to grant a European patent
Mar 21, 2017
Intention to grant (signatures)
Mar 21, 2017
Text intended for grant (clean copy)
Mar 21, 2017
Text intended for grant (version for approval)
Jan 19, 2017
Result of consultation by telephone/in person
Jan 16, 2017
(Electronic) Receipt
Jan 16, 2017
Amended claims with annotations
Jan 16, 2017
Amended description with annotations
Jan 16, 2017
Claims
Jan 16, 2017
Description
Jan 16, 2017
Letter accompanying subsequently filed items
Jan 16, 2017
Reply to communication from the Examining Division
Sep 23, 2016
Annex to the communication
Sep 23, 2016
Communication from the Examining Division
Jun 22, 2016
(Electronic) Receipt
Jun 22, 2016
Amended claims with annotations
Jun 22, 2016
Claims
Jun 22, 2016
Letter accompanying subsequently filed items
Jun 22, 2016
Reply to communication from the Examining Division
Apr 21, 2016
Grant of extension of time limit (examination procedure)
Apr 14, 2016
(Electronic) Receipt
Apr 14, 2016
Letter accompanying subsequently filed items
Apr 14, 2016
Request for extension of time limit to communication from the Examining Division
Dec 14, 2015
Annex to the communication
Dec 14, 2015
Communication from the Examining Division
Sep 8, 2015
(Electronic) Receipt
Sep 8, 2015
Amended claims with annotations
Sep 8, 2015
Claims
Sep 8, 2015
Letter accompanying subsequently filed items
Sep 8, 2015
Non-patent literature cited during the examination procedure
Sep 8, 2015
Patent document cited during the examination procedure
Sep 8, 2015
Reply to communication from the Examining Division
Jun 29, 2015
Grant of extension of time limit (examination procedure)
Jun 23, 2015
(Electronic) Receipt
Jun 23, 2015
Letter accompanying subsequently filed items
Jun 23, 2015
Request for extension of time limit to communication from the Examining Division
Mar 11, 2015
Confirmation of revocation of automatic debit order
Mar 6, 2015
Annex to the communication
Mar 6, 2015
Communication from the Examining Division
Mar 6, 2015
Letter relating to the automatic debiting procedure
Mar 6, 2015
Letter relating to the automatic debiting procedure
Mar 2, 2015
Communication of the registration of a transfer or change of name and/or address
Feb 19, 2015
Payment of fees and costs
Feb 19, 2015
Submission concerning a transfer of rights (applicant)
Oct 20, 2014
(Electronic) Receipt
Oct 20, 2014
Amended claims with annotations
Oct 20, 2014
Citation for the examination procedure
Oct 20, 2014
Claims
Oct 20, 2014
Letter accompanying subsequently filed items
Oct 20, 2014
Non-patent literature cited during the examination procedure
Oct 20, 2014
Non-patent literature cited during the examination procedure
Oct 20, 2014
Non-patent literature cited during the examination procedure
Oct 20, 2014
Reply to communication from the Examining Division
Jun 13, 2014
Annex to the communication
Jun 13, 2014
Communication from the Examining Division
Feb 21, 2013
(Electronic) Receipt
Feb 21, 2013
Amended claims with annotations
Feb 21, 2013
Citation for the examination procedure
Feb 21, 2013
Claims
Feb 21, 2013
Letter accompanying subsequently filed items
Feb 21, 2013
Non-patent literature cited during the examination procedure
Feb 21, 2013
Non-patent literature cited during the examination procedure
Feb 21, 2013
Reply to communication from the Examining Division
Nov 29, 2012
Grant of extension of time limit (examination procedure)
Nov 23, 2012
(Electronic) Receipt
Nov 23, 2012
Letter accompanying subsequently filed items
Nov 23, 2012
Request for extension of time limit
Aug 21, 2012
Annex to the communication
Aug 21, 2012
Communication from the Examining Division
Feb 20, 2012
(Electronic) Receipt
Feb 20, 2012
Amended claims filed after receipt of (European) search report
Feb 20, 2012
Amendments received before examination
Feb 20, 2012
Annex
Feb 20, 2012
Letter accompanying subsequently filed items
Oct 19, 2011
Notification on forthcoming publication of bibliographic data
Sep 7, 2011
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 27, 2011
Copy of the international preliminary report on patentability
May 31, 2011
(Electronic) Receipt
May 31, 2011
Amended claims filed after receipt of (European) search report
May 31, 2011
Request for entry into the European phase
May 20, 2011
Information on entry into European phase
Aug 4, 2010
Priority document (electronically transmitted)
Jul 15, 2010
Copy of the international search report
Jul 15, 2010
Published international application - A1
Mar 17, 2010
Written opinion of the ISA, boxes No. I to VIII
Mar 17, 2010
Written opinion of the ISA, cover sheet
Mar 17, 2010
Written opinion of the ISA, supplemental box
Feb 15, 2010
Request for correction of obvious error
Dec 28, 2009
(Electronic) Receipt
Dec 28, 2009
Abstract
Dec 28, 2009
Claims
Dec 28, 2009
Description
Dec 28, 2009
Priority document (RO-procedure)

EP2385766

CHR HANSEN

Application Number: EP09797054A
Filing Date: Dec 28, 2009
Status: Patent Maintained As Amended; Feb 18, 2022
Publication Date: Mar 23, 2022
External Links: Slate, Register , Google Patents

IP Verse

A Composition Comprising Calcium Carbonate As A White Pigment

Patent Summary

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Dossier Documents

EP2385766