Granulate Containing Agglomerated Bulk Material

Patent No. EP2573058 (titled "Granulate Containing Agglomerated Bulk Material") was filed by Rheinkalk on Sep 21, 2011. The application was issued on Jul 2, 2025.

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
FELS VERTRIEBS UND SERVICE	Sep 20, 2017	MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB

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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Jun 5, 2025
Decision to maintain the European patent in amended form
Jun 5, 2025
Decision to maintain the European patent in amended form
May 27, 2025
(Electronic) Receipt
May 27, 2025
English translation of the claims
May 27, 2025
Filing of the translation of the amended claims
May 27, 2025
French translation of claims
May 27, 2025
Letter accompanying subsequently filed items
Feb 28, 2025
Communication of bibliographic data
Feb 28, 2025
Communication to opponent concerning maintenance
Feb 28, 2025
Communication with request to file translations
Feb 20, 2025
Maintenance of the patent with the documents specified in the final decision
Jan 26, 2024
Advice of delivery
Dec 15, 2023
Advice of delivery
Dec 15, 2023
Druckexemplar in opposition procedure
Dec 15, 2023
Grounds for the decision (Annex) - opposition
Dec 15, 2023
Interlocutory decision in opposition proceedings
Dec 15, 2023
Interlocutory decision in opposition proceedings
Dec 15, 2023
Means of redress
Dec 15, 2023
Scanned annex to a communication - opposition procedure
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 13, 2023
Decision of the Opposition Division and instruction
Aug 1, 2023
Brief communication - Opposition proceedings
Jul 27, 2023
(Electronic) Receipt
Jul 27, 2023
Letter accompanying subsequently filed items
Jul 27, 2023
Reply to an examination report in opposition proceedings
May 17, 2023
Brief communication - Opposition proceedings
May 17, 2023
Brief communication - Opposition proceedings
May 17, 2023
Communication inviting the parties to file observations
May 17, 2023
Communication inviting the parties to file observations
Jan 16, 2023
Brief communication - Opposition proceedings
Jan 4, 2023
(Electronic) Receipt
Jan 4, 2023
Clean copy of description pages in the opposition procedure
Jan 4, 2023
Letter accompanying subsequently filed items
Jan 4, 2023
Reply to an examination report in opposition proceedings
Aug 25, 2022
Annex to the communication - opposition
Aug 25, 2022
Brief communication - Opposition proceedings
Aug 25, 2022
Brief communication - Opposition proceedings
Aug 25, 2022
Communication inviting the parties to file observations
Aug 25, 2022
Communication inviting the parties to file observations
Mar 31, 2022
Decision of the Board of Appeal
Mar 31, 2022
F3032 Notification(s) of the decision
Mar 31, 2022
F3032 Notification(s) of the decision
Feb 10, 2022
F3013 Oral Proceedings: Forwarding minutes
Feb 10, 2022
F3013 Oral Proceedings: Forwarding minutes
Feb 10, 2022
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 3, 2022
Letter dealing with oral proceedings
Feb 3, 2022
Letter dealing with oral proceedings
Jan 19, 2022
F3345 Forwarding of submissions to parties
Jan 14, 2022
(Electronic) Receipt
Jan 14, 2022
F3345 Forwarding of submissions to parties
Jan 14, 2022
Letter accompanying subsequently filed items
Jan 14, 2022
Letter dealing with oral proceedings during the appeal procedure
Jan 12, 2022
F3345 Forwarding of submissions to parties
Jan 10, 2022
(Electronic) Receipt
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Amended claims with annotations
Jan 10, 2022
Letter accompanying subsequently filed items
Jan 10, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 27, 2021
(Electronic) Receipt
Dec 27, 2021
Letter accompanying subsequently filed items
Dec 27, 2021
Request for interpreters during oral proceedings
Dec 14, 2021
F3345 Forwarding of submissions to parties
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Letter relating to Appeal Procedure
Dec 9, 2021
Oral proceedings: change of venue
Dec 9, 2021
Oral proceedings: change of venue
Nov 12, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 12, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 6, 2021
F3011.1 Oral Proceedings: summons
Oct 6, 2021
F3011.1 Oral Proceedings: summons
Oct 1, 2021
F3010 Oral proceedings: order for summons
Sep 30, 2021
F3303.16 Change of composition of the Board (T)
Dec 15, 2020
F3345 Forwarding of submissions to parties
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Citation in appeal procedure - 046
Dec 9, 2020
Citation in appeal procedure - 047
Dec 9, 2020
Citation in appeal procedure - 048
Dec 9, 2020
Citation in appeal procedure - 049
Dec 9, 2020
Citation in appeal procedure - 050
Dec 9, 2020
Citation in appeal procedure - 051
Dec 9, 2020
Letter accompanying subsequently filed items
Dec 9, 2020
Letter relating to Appeal Procedure
Oct 5, 2020
Composition of the board (T)
Jan 29, 2020
F3345 Forwarding of submissions to parties
Jan 27, 2020
F3345 Forwarding of submissions to parties
Jan 23, 2020
(Electronic) Receipt
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Annexes (other than cited documents) regarding appeal procedure
Jan 23, 2020
Auxiliary request during appeals procedure - 02
Jan 23, 2020
Auxiliary request during appeals procedure - 03
Jan 23, 2020
Auxiliary request during appeals procedure - 04
Jan 23, 2020
Auxiliary request during appeals procedure - 05
Jan 23, 2020
Letter accompanying subsequently filed items
Jan 23, 2020
Reply to appeal
Jan 21, 2020
(Electronic) Receipt
Jan 21, 2020
Letter accompanying subsequently filed items
Jan 21, 2020
Reply to appeal
Sep 13, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 13, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 9, 2019
(Electronic) Receipt
Sep 9, 2019
Letter accompanying subsequently filed items
Sep 9, 2019
Statement of grounds of appeal
Sep 4, 2019
(Electronic) Receipt
Sep 4, 2019
Citation in appeal procedure - 043
Sep 4, 2019
Citation in appeal procedure - 044
Sep 4, 2019
Citation in appeal procedure - 044
Sep 4, 2019
Citation in appeal procedure - 045
Sep 4, 2019
Letter accompanying subsequently filed items
Sep 4, 2019
Statement of grounds of appeal
Jul 12, 2019
F3204 Communication of the file number to the parties
Jul 12, 2019
F3204 Communication of the file number to the parties
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
Letter accompanying subsequently filed items
Jul 9, 2019
Notice of appeal
Jul 5, 2019
F3204 Communication of the file number to the parties
Jul 5, 2019
F3204 Communication of the file number to the parties
Jul 1, 2019
(Electronic) Receipt
Jul 1, 2019
Letter accompanying subsequently filed items
Jul 1, 2019
Notice of appeal
Jul 1, 2019
Processing of an appeal
May 6, 2019
Advice of delivery
May 6, 2019
Advice of delivery
May 2, 2019
Advice of delivery
Apr 30, 2019
Advice of delivery
Apr 29, 2019
Acknowledgement of a document
Apr 29, 2019
Acknowledgement of a document
Apr 29, 2019
Annex to the communication - opposition
Apr 29, 2019
Decision of the Opposition Division and instruction
Apr 29, 2019
Druckexemplar in opposition procedure
Apr 29, 2019
Grounds for the decision (Annex) - opposition
Apr 29, 2019
Interlocutory decision in opposition proceedings
Apr 29, 2019
Internal form - Opposition/addressees
Apr 29, 2019
Internal form - Opposition/addressees
Apr 29, 2019
Means of redress
Apr 29, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 29, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 29, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 29, 2019
Provision of a copy of the minutes - opposition procedure
Apr 29, 2019
Scanned annex to a communication - opposition procedure
Apr 29, 2019
Scanned annex to a communication - opposition procedure
Mar 21, 2019
Information about the result of oral proceedings
Mar 14, 2019
Brief communication - Opposition proceedings
Mar 8, 2019
(Electronic) Receipt
Mar 8, 2019
Consolidated list of cited opposition documents
Mar 8, 2019
Letter accompanying subsequently filed items
Mar 8, 2019
Non-patent literature cited during the opposition procedure
Mar 8, 2019
Non-patent literature cited during the opposition procedure
Mar 8, 2019
Written submission in preparation to/during oral proceedings
Feb 25, 2019
Brief communication - Opposition proceedings
Feb 20, 2019
(Electronic) Receipt
Feb 20, 2019
Amended claims with annotations
Feb 20, 2019
Amended claims with annotations
Feb 20, 2019
Amended claims with annotations
Feb 20, 2019
Claims
Feb 20, 2019
Claims
Feb 20, 2019
Claims
Feb 20, 2019
Letter accompanying subsequently filed items
Feb 20, 2019
Non-patent literature cited during the opposition procedure
Feb 20, 2019
Non-patent literature cited during the opposition procedure
Feb 20, 2019
Non-patent literature cited during the opposition procedure
Feb 20, 2019
Written submission in preparation to/during oral proceedings
Feb 12, 2019
Brief communication - Opposition proceedings
Feb 7, 2019
(Electronic) Receipt
Feb 7, 2019
Letter accompanying subsequently filed items
Feb 7, 2019
Request for interpreters during oral proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 24, 2019
Brief communication - Opposition proceedings
Jan 21, 2019
(Electronic) Receipt
Jan 21, 2019
(Electronic) Receipt
Jan 21, 2019
Amended claims with annotations
Jan 21, 2019
Amended claims with annotations
Jan 21, 2019
Amended claims with annotations
Jan 21, 2019
Citation in opposition procedure
Jan 21, 2019
Claims
Jan 21, 2019
Claims
Jan 21, 2019
Claims
Jan 21, 2019
Letter accompanying subsequently filed items
Jan 21, 2019
Letter accompanying subsequently filed items
Jan 21, 2019
Written submission in preparation to/during oral proceedings
Jan 21, 2019
Written submission in preparation to/during oral proceedings
Jan 17, 2019
Request for interpreters during oral proceedings
Jan 8, 2019
Brief communication - Opposition proceedings
Dec 17, 2018
(Electronic) Receipt
Dec 17, 2018
Letter accompanying subsequently filed items
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Non-patent literature cited during the opposition procedure
Dec 17, 2018
Written submission in preparation to/during oral proceedings
Jul 31, 2018
Advice of delivery
Jul 30, 2018
Advice of delivery
Jul 30, 2018
Advice of delivery
Jul 27, 2018
Advice of delivery
Jul 26, 2018
Acknowledgement of a document
Jul 26, 2018
Acknowledgement of a document
Jul 26, 2018
Annex to the communication - opposition
Jul 26, 2018
Information concerning oral proceedings
Jul 26, 2018
Preparation for oral proceedings
Jul 26, 2018
Summons to attend oral proceedings
Jul 26, 2018
Summons to attend oral proceedings
Jun 5, 2018
Claims
Jun 5, 2018
Claims
Jun 5, 2018
Claims
Jun 5, 2018
Claims
Jun 5, 2018
Non-patent literature cited during the opposition procedure
Jun 5, 2018
Non-patent literature cited during the opposition procedure
Jun 5, 2018
Non-patent literature cited during the opposition procedure
Jun 5, 2018
Reply of the patent proprietor to the notice(s) of opposition
Mar 27, 2018
Brief communication - Opposition proceedings
Mar 21, 2018
Claims
Mar 21, 2018
Claims
Mar 21, 2018
Claims
Mar 21, 2018
Claims
Mar 21, 2018
Non-patent literature cited during the opposition procedure
Mar 21, 2018
Non-patent literature cited during the opposition procedure
Mar 21, 2018
Non-patent literature cited during the opposition procedure
Mar 21, 2018
Reply of the patent proprietor to the notice(s) of opposition
Mar 12, 2018
Brief communication - Opposition proceedings
Mar 12, 2018
Rejection of request for extension of time limit
Mar 5, 2018
Request for extension of time limit
Nov 2, 2017
Brief communication - Opposition proceedings
Oct 26, 2017
Communication of a notice of opposition and request to file observations
Oct 26, 2017
Notice of further oppositions to opponent(s)
Oct 25, 2017
(Electronic) Receipt
Oct 25, 2017
Letter accompanying subsequently filed items
Oct 25, 2017
Letter regarding the opposition procedure (no time limit)
Oct 25, 2017
Non-patent literature cited during the opposition procedure
Oct 2, 2017
Communication of a notice of opposition - first information to patent proprietor
Sep 20, 2017
(Electronic) Receipt
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Citation in opposition procedure
Sep 20, 2017
Notice of opposition
Sep 20, 2017
Notice of opposition
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Sep 20, 2017
Patent document cited during the opposition procedure
Dec 21, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 24, 2016
Decision to grant a European patent
Nov 10, 2016
(Electronic) Receipt
Nov 10, 2016
English translation of the claims
Nov 10, 2016
Filing of the translations of the claims
Nov 10, 2016
French translation of claims
Nov 10, 2016
Letter accompanying subsequently filed items
Jul 1, 2016
Bibliographic data of the European patent application
Jul 1, 2016
Communication about intention to grant a European patent
Jul 1, 2016
Intention to grant (signatures)
Jul 1, 2016
Text intended for grant (clean copy)
Jul 1, 2016
Text intended for grant (version for approval)
Mar 18, 2016
(Electronic) Receipt
Mar 18, 2016
Amended claims with annotations
Mar 18, 2016
Amended description with annotations
Mar 18, 2016
Claims
Mar 18, 2016
Description
Mar 18, 2016
Letter accompanying subsequently filed items
Mar 18, 2016
Reply to communication from the Examining Division
Nov 12, 2015
Annex to the communication
Nov 12, 2015
Communication from the Examining Division
Sep 3, 2015
(Electronic) Receipt
Sep 3, 2015
Amended claims with annotations
Sep 3, 2015
Claims
Sep 3, 2015
Letter accompanying subsequently filed items
Sep 3, 2015
Reply to communication from the Examining Division
Apr 23, 2015
Annex to the communication
Apr 23, 2015
Communication from the Examining Division
Feb 19, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Feb 9, 2015
Submission concerning representation
Aug 25, 2014
(Electronic) Receipt
Aug 25, 2014
Amended claims with annotations
Aug 25, 2014
Claims
Aug 25, 2014
Letter accompanying subsequently filed items
Aug 25, 2014
Reply to communication from the Examining Division
Apr 15, 2014
Annex to the communication
Apr 15, 2014
Communication from the Examining Division
Feb 6, 2014
Decision to allow further processing
Jan 23, 2014
(Electronic) Receipt
Jan 23, 2014
Amended claims filed after receipt of (European) search report
Jan 23, 2014
Amended claims with annotations
Jan 23, 2014
Amendments received before examination
Jan 23, 2014
Letter accompanying subsequently filed items
Jan 23, 2014
Request for further processing
Nov 14, 2013
Application deemed to be withdrawn (non-reply to Written Opinion)
Sep 27, 2013
Maintenance of the application
Sep 24, 2013
(Electronic) Receipt
Sep 24, 2013
Letter accompanying subsequently filed items
Sep 24, 2013
Letter concerning fees and payments
Sep 24, 2013
Maintenance of the application
Sep 24, 2013
Maintenance of the application
Apr 3, 2013
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Feb 27, 2013
Notification of forthcoming publication
Mar 6, 2012
Communication regarding the transmission of the European search report
Mar 6, 2012
European search opinion
Mar 6, 2012
European search report
Sep 21, 2011
Abstract
Sep 21, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Sep 21, 2011
Claims
Sep 21, 2011
Description
Sep 21, 2011
Designation of inventor
Sep 21, 2011
Drawings
Sep 21, 2011
Request for grant of a European patent

EP2573058

RHEINKALK

Application Number: EP11182167A
Filing Date: Sep 21, 2011
Status: Patent Maintained As Amended; May 29, 2025
Publication Date: Jul 2, 2025
External Links: Slate, Register , Google Patents

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Granulate Containing Agglomerated Bulk Material

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Dossier Documents

EP2573058