Improved Process For The Production Of Precipitated Calcium Carbonate

Patent No. EP3031778 (titled "Improved Process For The Production Of Precipitated Calcium Carbonate") was filed by Omya on Dec 12, 2014. The application was issued on Sep 27, 2017.

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	Jun 27, 2018	MAI BESIER

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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Apr 17, 2020
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Apr 17, 2020
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Apr 14, 2020
Termination of the opposition proceedings with maintenance of patent
Jan 6, 2020
Advice of delivery
Jan 3, 2020
Advice of delivery
Jan 2, 2020
Acknowledgement of a document
Jan 2, 2020
Acknowledgement of a document
Jan 2, 2020
Annex to the communication - opposition
Jan 2, 2020
Decision of the Opposition Division and instruction
Jan 2, 2020
Decision rejecting the opposition
Jan 2, 2020
Grounds for the decision (Annex) - opposition
Jan 2, 2020
Internal form - Opposition/addressees
Jan 2, 2020
Internal form - Opposition/addressees
Jan 2, 2020
Means of redress
Jan 2, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 2, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 2, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 2, 2020
Provision of a copy of the minutes - opposition procedure
Nov 26, 2019
Information about the result of oral proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Oct 4, 2019
Brief communication - Opposition proceedings
Sep 26, 2019
(Electronic) Receipt
Sep 26, 2019
Citation in opposition procedure - 012
Sep 26, 2019
Citation in opposition procedure - 013
Sep 26, 2019
Consolidated list of cited opposition documents
Sep 26, 2019
Letter accompanying subsequently filed items
Sep 26, 2019
Written submission in preparation to/during oral proceedings
Sep 25, 2019
Citation in opposition procedure - 011
Sep 25, 2019
Written submission in preparation to/during oral proceedings
Jun 3, 2019
Brief communication - Opposition proceedings
May 27, 2019
Request for interpreters during oral proceedings
May 21, 2019
Advice of delivery
May 21, 2019
Advice of delivery
May 21, 2019
Advice of delivery
May 20, 2019
Advice of delivery
May 17, 2019
Acknowledgement of a document
May 17, 2019
Acknowledgement of a document
May 17, 2019
Annex to the communication - opposition
May 17, 2019
Information concerning oral proceedings
May 17, 2019
Summons to attend oral proceedings
May 17, 2019
Summons to attend oral proceedings
Mar 18, 2019
Brief communication - Opposition proceedings
Mar 18, 2019
Brief communication - Opposition proceedings (Legal Division)
Mar 1, 2019
Letter concerning the inventor
Nov 13, 2018
Brief communication - Opposition proceedings
Nov 8, 2018
(Electronic) Receipt
Nov 8, 2018
Letter accompanying subsequently filed items
Nov 8, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jul 9, 2018
Communication of a notice of opposition and request to file observations
Jul 9, 2018
Notice of further oppositions to opponent(s)
Jul 5, 2018
Brief communication - Opposition proceedings
Jul 2, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 29, 2018
Citation in opposition procedure - 001
Jun 29, 2018
Citation in opposition procedure - 002
Jun 29, 2018
Citation in opposition procedure - 003
Jun 29, 2018
Citation in opposition procedure - 004
Jun 29, 2018
Citation in opposition procedure - 005
Jun 29, 2018
Citation in opposition procedure - 006
Jun 29, 2018
Citation in opposition procedure - 007
Jun 29, 2018
Citation in opposition procedure - 008
Jun 29, 2018
Citation in opposition procedure - 009
Jun 29, 2018
Citation in opposition procedure - 010
Jun 29, 2018
Consolidated list of cited opposition documents
Jun 29, 2018
Notice of opposition
Jun 29, 2018
Notice of opposition
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Non-patent literature cited during the opposition procedure
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Jun 27, 2018
Patent document cited during the opposition procedure
Apr 20, 2018
Submission concerning representation
Oct 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 31, 2017
Decision to grant a European patent
Aug 16, 2017
(Electronic) Receipt
Aug 16, 2017
Filing of the translations of the claims
Aug 16, 2017
French translation of claims
Aug 16, 2017
German translation of the claims
Jun 14, 2017
Brief communication to applicant/representative
May 11, 2017
(Electronic) Receipt
May 11, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 8, 2017
Bibliographic data of the European patent application
May 8, 2017
Communication about intention to grant a European patent
May 8, 2017
Intention to grant (signatures)
May 8, 2017
Text intended for grant (clean copy)
May 8, 2017
Text intended for grant (version for approval)
Feb 23, 2017
Examination started
Dec 6, 2016
(Electronic) Receipt
Dec 6, 2016
Amended claims filed after receipt of (European) search report
Dec 6, 2016
Amended claims with annotations
Dec 6, 2016
Amendments received before examination
Dec 6, 2016
Letter accompanying subsequently filed items
Jun 20, 2016
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 19, 2016
Notification of forthcoming publication
Oct 20, 2015
(Electronic) Receipt
Oct 20, 2015
Letter accompanying subsequently filed items
Jun 3, 2015
Communication regarding the transmission of the European search report
Jun 3, 2015
European search opinion
Jun 3, 2015
European search report
May 19, 2015
Search started
Mar 13, 2015
(Electronic) Receipt
Mar 13, 2015
Annex
Mar 13, 2015
Annex
Mar 13, 2015
Description
Mar 13, 2015
Drawings
Mar 13, 2015
Letter accompanying subsequently filed items
Mar 13, 2015
Reply to the invitation to remedy deficiencies
Feb 4, 2015
Communication to designated inventor
Feb 4, 2015
Communication to designated inventor
Feb 4, 2015
Communication to designated inventor
Feb 4, 2015
Communication to designated inventor
Feb 3, 2015
Note on telephone consultation
Jan 27, 2015
Deficiencies in application documents - annex B
Dec 12, 2014
Abstract
Dec 12, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Dec 12, 2014
Claims
Dec 12, 2014
Description
Dec 12, 2014
Designation of inventor
Dec 12, 2014
Request for grant of a European patent

EP3031778

OMYA

Application Number: EP14197536A
Filing Date: Dec 12, 2014
Status: Opposition Rejected; Apr 17, 2020
Publication Date: Sep 27, 2017
External Links: Slate, Register , Google Patents

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Improved Process For The Production Of Precipitated Calcium Carbonate

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Dossier Documents

EP3031778