Slide Ring Seal

Patent No. EP2861897 (titled "Slide Ring Seal") was filed by Carl Freudenberg on Apr 8, 2014. The application was issued on Dec 6, 2023.

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
KACO	Jun 21, 2017	KOHL

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 9, 2023
Decision to maintain the European patent in amended form
Nov 9, 2023
Decision to maintain the European patent in amended form
Oct 30, 2023
(Electronic) Receipt
Oct 30, 2023
English translation of the claims
Oct 30, 2023
Filing of the translation of the amended claims
Oct 30, 2023
French translation of claims
Oct 30, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Communication of bibliographic data
Sep 29, 2023
Communication to opponent concerning maintenance
Sep 29, 2023
Communication with request to file translations
Sep 13, 2023
Maintenance of the patent with the documents specified in the final decision
Jun 30, 2023
Maintenance of the patent with the documents specified in the final decision
Jun 29, 2023
Decision of the Board of Appeal
Jun 29, 2023
F3032 Notification(s) of the decision
Jun 29, 2023
F3032 Notification(s) of the decision
Apr 6, 2023
F3013 Oral Proceedings: Forwarding minutes
Apr 6, 2023
F3013 Oral Proceedings: Forwarding minutes
Apr 6, 2023
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Apr 3, 2023
F3345 Forwarding of submissions to parties
Mar 28, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 7, 2023
F3345 Forwarding of submissions to parties
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
Letter accompanying subsequently filed items
Feb 2, 2023
Withdrawal of a request for oral proceedings
Jan 25, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 25, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 14, 2022
F3011.1 Oral Proceedings: summons
Jan 14, 2022
F3011.1 Oral Proceedings: summons
Jan 14, 2022
Standard Communication Rule 103 (2) EPC
Jan 14, 2022
Standard Communication Rule 103 (2) EPC
Jan 11, 2022
Composition of the board (T)
Jan 11, 2022
F3010 Oral proceedings: order for summons
Mar 6, 2020
Refund of fees
Feb 14, 2020
F3345 Forwarding of submissions to parties
Feb 11, 2020
F3345 Forwarding of submissions to parties
Feb 7, 2020
(Electronic) Receipt
Feb 7, 2020
Letter accompanying subsequently filed items
Feb 7, 2020
Reply to appeal
Feb 3, 2020
Reply to appeal
Jan 31, 2020
Reply to appeal
Oct 1, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 1, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Amended claims with annotations
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Claims
Sep 25, 2019
Letter accompanying subsequently filed items
Sep 25, 2019
Statement of grounds of appeal
Sep 23, 2019
Statement of grounds of appeal
Sep 19, 2019
Statement of grounds of appeal
Aug 1, 2019
F3204 Communication of the file number to the parties
Jul 29, 2019
F3345 Forwarding of submissions to parties
Jul 24, 2019
(Electronic) Receipt
Jul 24, 2019
Letter accompanying subsequently filed items
Jul 24, 2019
Notice of appeal
Jul 22, 2019
Reply to a deficiency communication regarding an appeal
Jul 17, 2019
Advice of delivery
Jul 16, 2019
Advice of delivery
Jul 16, 2019
Reply to a deficiency communication regarding an appeal
Jul 16, 2019
Reply to a deficiency communication regarding an appeal
Jul 15, 2019
F3045 Inadmissibility of the appeal: missing address / missing name
Jul 15, 2019
F3204 Communication of the file number to the parties
Jul 15, 2019
F3345 Forwarding of submissions to parties
Jul 9, 2019
Processing of an appeal
Jul 8, 2019
Notice of appeal
Jul 5, 2019
Notice of appeal
May 22, 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
Decision of the Opposition Division and instruction
May 17, 2019
Druckexemplar in opposition procedure
May 17, 2019
Grounds for the decision (Annex) - opposition
May 17, 2019
Interlocutory decision in opposition proceedings
May 17, 2019
Internal form - Opposition/addressees
May 17, 2019
Internal form - Opposition/addressees
May 17, 2019
Means of redress
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 17, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 17, 2019
Provision of a copy of the minutes - opposition procedure
Mar 19, 2019
Information about the result of oral proceedings
Mar 6, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
(Electronic) Receipt
Mar 1, 2019
Brief communication - Opposition proceedings
Mar 1, 2019
Letter accompanying subsequently filed items
Mar 1, 2019
Letter regarding the opposition procedure (no time limit)
Jan 31, 2019
Brief communication - Opposition proceedings
Jan 31, 2019
Communication of amended entries concerning the representative
Jan 30, 2019
Brief communication - Opposition proceedings
Jan 24, 2019
Brief communication - Opposition proceedings
Jan 24, 2019
Letter regarding the opposition procedure (no time limit)
Jan 21, 2019
Letter regarding the opposition procedure (no time limit)
Jan 21, 2019
Non-patent literature cited during the opposition procedure
Jan 21, 2019
Non-patent literature cited during the opposition procedure
Jan 21, 2019
Non-patent literature cited during the opposition procedure
Jan 21, 2019
Patent document cited during the opposition procedure
Jan 21, 2019
Request for interpreters during oral proceedings
Jan 18, 2019
Cover sheet for fax transmission
Jan 18, 2019
Letter regarding the opposition procedure (no time limit)
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Non-patent literature cited during the opposition procedure
Jan 18, 2019
Patent document cited during the opposition procedure
Jan 17, 2019
Request for interpreters during oral proceedings
Jan 15, 2019
Brief communication - Opposition proceedings
Jan 10, 2019
Authorisation
Jan 10, 2019
Brief communication - Opposition proceedings
Jan 10, 2019
Letter regarding the opposition procedure (no time limit)
Jan 7, 2019
(Electronic) Receipt
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Amended claims with annotations
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Claims
Jan 7, 2019
Letter accompanying subsequently filed items
Jan 7, 2019
Letter regarding the opposition procedure (no time limit)
Jul 23, 2018
Advice of delivery
Jul 19, 2018
Advice of delivery
Jul 19, 2018
Advice of delivery
Jul 18, 2018
Advice of delivery
Jul 17, 2018
Annex to the communication - opposition
Jul 17, 2018
Summons to attend oral proceedings
Apr 18, 2018
Brief communication - Opposition proceedings
Apr 13, 2018
(Electronic) Receipt
Apr 13, 2018
Letter accompanying subsequently filed items
Apr 13, 2018
Letter concerning the inventor
Dec 14, 2017
Brief communication - Opposition proceedings
Dec 8, 2017
(Electronic) Receipt
Dec 8, 2017
Letter accompanying subsequently filed items
Dec 8, 2017
Reply of the patent proprietor to the notice(s) of opposition
Aug 29, 2017
Brief communication - Opposition proceedings
Aug 4, 2017
Letter concerning the inventor
Aug 3, 2017
Authorisation
Aug 3, 2017
Miscellaneous requests concerning client data
Jul 31, 2017
Communication of a notice of opposition and request to file observations
Jul 31, 2017
Notice of further oppositions to opponent(s)
Jul 7, 2017
Communication of a notice of opposition - first information to patent proprietor
Jun 21, 2017
Cover sheet for fax transmission
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the examination procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-patent literature cited during the opposition procedure
Jun 21, 2017
Non-scannable object
Jun 21, 2017
Non-scannable object
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Notice of opposition
Jun 21, 2017
Patent document cited during the examination procedure
Jun 21, 2017
Patent document cited during the examination procedure
Jun 21, 2017
Patent document cited during the examination procedure
Jun 21, 2017
Patent document cited during the examination procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Patent document cited during the opposition procedure
Jun 21, 2017
Payment of fees and costs
Jun 21, 2017
Payment of fees and costs
Jun 21, 2017
Payment of fees and costs
Sep 22, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 25, 2016
Decision to grant a European patent
Aug 9, 2016
Notice on debiting of fees
Aug 8, 2016
Letter concerning fees and payments
Aug 8, 2016
Payment of fees and costs
Aug 8, 2016
Payment of fees and costs
Jul 28, 2016
English translation of the claims
Jul 28, 2016
Filing of the translations of the claims
Jul 28, 2016
French translation of claims
Jul 28, 2016
Payment of fees and costs
Jul 28, 2016
Payment of fees and costs
Mar 29, 2016
Bibliographic data of the European patent application
Mar 29, 2016
Communication about intention to grant a European patent
Mar 29, 2016
Intention to grant (signatures)
Mar 29, 2016
Text intended for grant (clean copy)
Mar 29, 2016
Text intended for grant (version for approval)
Feb 22, 2016
Examination started
Dec 4, 2015
Letter concerning the priority
Nov 27, 2015
Communication to designated inventor
Nov 27, 2015
Communication to designated inventor
Nov 27, 2015
Communication to designated inventor
Nov 27, 2015
Communication to designated inventor
Nov 11, 2015
Copy of the international preliminary report on patentability
Jul 31, 2015
Reply to Written Opinion prepared by the EPO
Mar 25, 2015
Notification on forthcoming publication of bibliographic data
Mar 20, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Mar 13, 2015
Priority search results copy provided by EPO
Mar 12, 2015
Copy of the international search report
Mar 12, 2015
Copy of the international search report
Mar 12, 2015
International publication of the international search report
Feb 16, 2015
Letter concerning the inventor
Jan 19, 2015
Written opinion of the ISA, boxes No. I to VIII
Jan 19, 2015
Written opinion of the ISA, cover sheet
Jan 19, 2015
Written opinion of the ISA, supplemental box
Jan 13, 2015
Communication for party to proceedings/third party
Dec 16, 2014
Letter concerning fees and payments
Dec 16, 2014
Payment of fees and costs
Nov 18, 2014
Priority document (electronically transmitted)
Oct 30, 2014
Published international application - A2
Apr 30, 2014
Abstract
Apr 30, 2014
Claims
Apr 30, 2014
Description
Apr 30, 2014
Drawings
Apr 25, 2014
Annex
Apr 25, 2014
Annex
Apr 25, 2014
Annex
Apr 25, 2014
Annex
Apr 25, 2014
Letter accompanying subsequently filed items
Apr 25, 2014
Matter concerning the application
Apr 25, 2014
Payment of fees and costs
Apr 25, 2014
Payment of fees and costs
Apr 25, 2014
Priority search results
Apr 25, 2014
Request for entry into the European phase
Apr 8, 2014
Payment of fees and costs

EP2861897

CARL FREUDENBERG

Application Number: EP14720469A
Filing Date: Apr 8, 2014
Status: Patent Maintained As Amended; Nov 3, 2023
Publication Date: Dec 6, 2023
External Links: Slate, Register , Google Patents

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Slide Ring Seal

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Dossier Documents

EP2861897