Treatment Of High Sulfate Containing Quicklime

Patent No. EP1928783 (titled "Treatment Of High Sulfate Containing Quicklime") was filed by Chemical Lime on Aug 4, 2006. The application was issued on Feb 27, 2019.

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
CARMEUSE RESEARCH AND TECHNOLOGY	Oct 21, 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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Sep 15, 2021
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Sep 15, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Sep 10, 2021
Termination of the opposition proceedings with maintenance of patent
Jun 10, 2021
Advice of delivery
Jun 4, 2021
Brief communication - Opposition proceedings
Jun 2, 2021
(Electronic) Receipt
Jun 2, 2021
Advice of delivery
Jun 2, 2021
Communication of amended entries
Jun 2, 2021
Letter accompanying subsequently filed items
Jun 1, 2021
Decision of the Opposition Division and instruction
Jun 1, 2021
Decision rejecting the opposition
Jun 1, 2021
Grounds for the decision (Annex) - opposition
Jun 1, 2021
Internal form - Opposition/addressees
Jun 1, 2021
Means of redress
Jun 1, 2021
Transmittal of decision / summons - opposition
Jun 1, 2021
Transmittal of decision / summons - opposition
Apr 30, 2021
Request for change of opponent's representative
Mar 4, 2021
Notification concerning the date of oral proceedings
Mar 4, 2021
Notification concerning the date of oral proceedings
Mar 1, 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
Feb 23, 2021
(Electronic) Receipt
Feb 23, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Written submission in preparation to/during oral proceedings
Feb 2, 2021
Notification concerning the date of oral proceedings
Feb 2, 2021
Notification concerning the date of oral proceedings
Nov 3, 2020
Advice of delivery
Nov 2, 2020
Communication about missing advice of delivery
Oct 5, 2020
(Electronic) Receipt
Oct 5, 2020
Advice of delivery
Oct 5, 2020
Letter accompanying subsequently filed items
Sep 28, 2020
Acknowledgement of a document
Sep 28, 2020
Acknowledgement of a document
Sep 28, 2020
Annex to the communication - opposition
Sep 28, 2020
Information concerning oral proceedings
Sep 28, 2020
Summons to attend oral proceedings
Sep 28, 2020
Summons to attend oral proceedings
Jun 10, 2020
Brief communication - Opposition proceedings
Jun 2, 2020
(Electronic) Receipt
Jun 2, 2020
Letter accompanying subsequently filed items
Jun 2, 2020
Reply of the patent proprietor to the notice(s) of opposition
Apr 23, 2020
Brief communication - Opposition proceedings
Apr 23, 2020
Rejection of request for extension of time limit
Apr 14, 2020
(Electronic) Receipt
Apr 14, 2020
Letter accompanying subsequently filed items
Apr 14, 2020
Request for extension of time limit
Dec 10, 2019
Communication of a notice of opposition and request to file observations
Dec 10, 2019
Notice of further oppositions to opponent(s)
Nov 27, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 22, 2019
Consolidated list of cited opposition documents
Nov 21, 2019
(Electronic) Receipt
Nov 21, 2019
Citation in opposition procedure - 001
Nov 21, 2019
Citation in opposition procedure - 002
Nov 21, 2019
Citation in opposition procedure - 003
Nov 21, 2019
Citation in opposition procedure - 004
Nov 21, 2019
Citation in opposition procedure - 005
Nov 21, 2019
International publication (Pamphlet)
Nov 21, 2019
Notice of opposition
Nov 21, 2019
Notice of opposition
May 16, 2019
Communication of amended entries concerning the representative
Mar 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 31, 2019
Decision to grant a European patent
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Filing of the translations of the claims
Jan 9, 2019
French translation of claims
Jan 9, 2019
German translation of the claims
Jan 9, 2019
Letter accompanying subsequently filed items
Sep 18, 2018
Bibliographic data of the European patent application
Sep 18, 2018
Communication about intention to grant a European patent
Sep 18, 2018
Intention to grant (signatures)
Sep 18, 2018
Text intended for grant (clean copy)
Sep 18, 2018
Text intended for grant (version for approval)
Jul 5, 2018
(Electronic) Receipt
Jul 5, 2018
Amended claims with annotations
Jul 5, 2018
Amended description with annotations
Jul 5, 2018
Amended description with annotations
Jul 5, 2018
Claims
Jul 5, 2018
Description
Jul 5, 2018
Description
Jul 5, 2018
Letter accompanying subsequently filed items
Jul 5, 2018
Reply to communication from the Examining Division
Mar 9, 2018
Annex to the communication
Mar 9, 2018
Communication from the Examining Division
Oct 3, 2017
(Electronic) Receipt
Oct 3, 2017
Amended claims with annotations
Oct 3, 2017
Claims
Oct 3, 2017
Letter accompanying subsequently filed items
Oct 3, 2017
Reply to communication from the Examining Division
May 30, 2017
Annex to the communication
May 30, 2017
Communication from the Examining Division
May 22, 2017
Examination started
Aug 25, 2016
Response to enquiry for communication from the Examining Division
Aug 19, 2016
(Electronic) Receipt
Aug 19, 2016
Enquiry as to when a communication from the Examining Division can be expected
Aug 19, 2016
Letter accompanying subsequently filed items
Oct 22, 2013
Brief communication to applicant/representative
Oct 15, 2013
Late/insufficient payment of the renewal fee without additional fee
Nov 13, 2012
(Electronic) Receipt
Nov 13, 2012
Amended claims filed after receipt of (European) search report
Nov 13, 2012
Amended claims with annotations
Nov 13, 2012
Amendments received before examination
Nov 13, 2012
Letter accompanying subsequently filed items
Nov 13, 2012
Non-patent literature cited during the examination procedure
May 11, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 24, 2012
Communication regarding the transmission of the European search report
Apr 24, 2012
European search opinion
Apr 24, 2012
Supplementary European search report
Oct 7, 2011
(Electronic) Receipt
Oct 7, 2011
Enquiry as to when the search report can be expected
Oct 7, 2011
Letter accompanying subsequently filed items
Sep 1, 2010
Submission concerning representation
Jun 18, 2009
CDS Clean up - amended data concerning the representative for the applicant
May 15, 2008
Notification on forthcoming publication of bibliographic data
Apr 16, 2008
Communication regarding possible amendment of claims/payment of claims fees
Apr 11, 2008
Confirmation of receipt of (electronically) transmitted priority document
Mar 11, 2008
(Electronic) Receipt
Mar 11, 2008
Request for entry into the European phase
Feb 27, 2008
Copy of the international preliminary report on patentability
Jan 2, 2008
Information on entry into European phase
Apr 12, 2007
Copy of the international search report
Apr 12, 2007
International publication of the international search report
Mar 12, 2007
Priority document (electronically transmitted)
Mar 12, 2007
Priority document (electronically transmitted)
Feb 22, 2007
Published international application - A2

EP1928783

CHEMICAL LIME

Application Number: EP06800889A
Filing Date: Aug 4, 2006
Status: Opposition Rejected; Sep 17, 2021
Publication Date: Feb 27, 2019
External Links: Slate, EP1928783B1, Google Patents

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Treatment Of High Sulfate Containing Quicklime

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Dossier Documents

EP1928783