Maintenance-Free Plain Bearing

Patent No. EP2139675 (titled "Maintenance-Free Plain Bearing") was filed by Saint Gobain on Oct 10, 2007. The application was issued on Jun 18, 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
KS GLEITLAGER	Aug 28, 2018	DREISS PATENTANWALTE PARTG 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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May 22, 2025
Decision to maintain the European patent in amended form
May 22, 2025
Decision to maintain the European patent in amended form
May 15, 2025
(Electronic) Receipt
May 15, 2025
English translation of the claims
May 15, 2025
Filing of the translation of the amended claims
May 15, 2025
French translation of claims
May 15, 2025
Letter accompanying subsequently filed items
Mar 5, 2025
Communication of bibliographic data
Mar 5, 2025
Communication to opponent concerning maintenance
Mar 5, 2025
Communication with request to file translations
Feb 27, 2025
Maintenance of the patent with the documents specified in the final decision
Nov 26, 2024
Decision of the Opposition Division and instruction
Nov 26, 2024
Druckexemplar in opposition procedure
Nov 26, 2024
Grounds for the decision (Annex) - opposition
Nov 26, 2024
Interlocutory decision in opposition proceedings
Nov 26, 2024
Interlocutory decision in opposition proceedings
Nov 26, 2024
Means of redress
May 7, 2024
Annex to the communication - opposition
May 7, 2024
Brief communication - Opposition proceedings
May 7, 2024
Brief communication - Opposition proceedings
May 7, 2024
Communication inviting the parties to file observations
May 7, 2024
Communication inviting the parties to file observations
Feb 14, 2024
Brief communication - Opposition proceedings
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Amended description with annotations
Feb 9, 2024
Description
Feb 9, 2024
Letter accompanying subsequently filed items
Feb 9, 2024
Reply to an examination report in opposition proceedings
Nov 29, 2023
Annex to the communication - opposition
Nov 29, 2023
Brief communication - Opposition proceedings
Nov 29, 2023
Brief communication - Opposition proceedings
Nov 29, 2023
Communication inviting the parties to file observations
Nov 29, 2023
Communication inviting the parties to file observations
Aug 30, 2023
F3936 Acknowledgement of receipt Board of Appeal
Aug 28, 2023
F3936 Acknowledgement of receipt Board of Appeal
Aug 23, 2023
Decision of the Board of Appeal
Aug 23, 2023
F3032 Notification(s) of the decision
Aug 23, 2023
F3032 Notification(s) of the decision
Jul 26, 2023
Refund of fees
Jul 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 24, 2023
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 30, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 30, 2023
F3345 Forwarding of submissions to parties
Jun 29, 2023
(Electronic) Receipt
Jun 29, 2023
Letter accompanying subsequently filed items
Jun 29, 2023
Request for interpreters during oral proceedings
Jun 20, 2023
F3345 Forwarding of submissions to parties
Jun 15, 2023
(Electronic) Receipt
Jun 15, 2023
Letter accompanying subsequently filed items
Jun 15, 2023
Request for interpreters during oral proceedings
May 19, 2023
F3345 Forwarding of submissions to parties
May 16, 2023
(Electronic) Receipt
May 16, 2023
Letter accompanying subsequently filed items
May 16, 2023
Request for interpreters during oral proceedings
Feb 22, 2023
F3345 Forwarding of submissions to parties
Feb 17, 2023
(Electronic) Receipt
Feb 17, 2023
Amended claims with annotations
Feb 17, 2023
Amended claims with annotations
Feb 17, 2023
Amended claims with annotations
Feb 17, 2023
Amended claims with annotations
Feb 17, 2023
Annexes (other than cited documents) regarding appeal procedure
Feb 17, 2023
Letter accompanying subsequently filed items
Feb 17, 2023
Letter dealing with oral proceedings during the appeal procedure
Aug 24, 2022
F3936 Acknowledgement of receipt Board of Appeal
Aug 19, 2022
F3936 Acknowledgement of receipt Board of Appeal
Aug 16, 2022
F3011.1 Oral Proceedings: summons
Aug 16, 2022
F3011.1 Oral Proceedings: summons
Aug 16, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Aug 10, 2022
F3010 Oral proceedings: order for summons
Jan 18, 2022
Composition of the board (T)
May 18, 2021
F3056 Communication: Change of Board due to the technical nature of the appeal
May 18, 2021
F3056 Communication: Change of Board due to the technical nature of the appeal
May 12, 2021
F3313 Order: change of Board due to the technical aspects of the appeal
Nov 10, 2020
F3345 Forwarding of submissions to parties
Nov 10, 2020
F3345 Forwarding of submissions to parties
Nov 5, 2020
(Electronic) Receipt
Nov 5, 2020
(Electronic) Receipt
Nov 5, 2020
Annexes (other than cited documents) regarding appeal procedure
Nov 5, 2020
Letter accompanying subsequently filed items
Nov 5, 2020
Letter accompanying subsequently filed items
Nov 5, 2020
Reply to appeal
Nov 5, 2020
Reply to appeal
Jun 26, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 28, 2020
Cited document during appeal procedure
May 28, 2020
Letter relating to Appeal Procedure
May 27, 2020
(Electronic) Receipt
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Amended claims with annotations
May 27, 2020
Annexes (other than cited documents) regarding appeal procedure
May 27, 2020
Annexes (other than cited documents) regarding appeal procedure
May 27, 2020
Annexes (other than cited documents) regarding appeal procedure
May 27, 2020
Claims
May 27, 2020
Claims
May 27, 2020
Claims
May 27, 2020
Claims
May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
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May 27, 2020
Claims
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Statement of grounds of appeal
May 26, 2020
(Electronic) Receipt
May 26, 2020
Cited document during appeal procedure
May 26, 2020
Letter accompanying subsequently filed items
May 26, 2020
Statement of grounds of appeal
Apr 8, 2020
F3204 Communication of the file number to the parties
Apr 8, 2020
F3204 Communication of the file number to the parties
Apr 8, 2020
F3204 Communication of the file number to the parties
Apr 8, 2020
F3204 Communication of the file number to the parties
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Notice of appeal
Mar 25, 2020
(Electronic) Receipt
Mar 25, 2020
Letter accompanying subsequently filed items
Mar 25, 2020
Notice of appeal
Jan 24, 2020
Advice of delivery
Jan 23, 2020
Advice of delivery
Jan 17, 2020
Acknowledgement of a document
Jan 17, 2020
Acknowledgement of a document
Jan 17, 2020
Annex to the communication - opposition
Jan 17, 2020
Decision of the Opposition Division and instruction
Jan 17, 2020
Decision of the Opposition Division and instruction
Jan 17, 2020
Druckexemplar in opposition procedure
Jan 17, 2020
Grounds for the decision (Annex) - opposition
Jan 17, 2020
Interlocutory decision in opposition proceedings
Jan 17, 2020
Internal form - Opposition/addressees
Jan 17, 2020
Internal form - Opposition/addressees
Jan 17, 2020
Means of redress
Jan 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 17, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 17, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 17, 2020
Provision of a copy of the minutes - opposition procedure
Jan 17, 2020
Scanned annex to a communication - opposition procedure
Dec 2, 2019
Information about the result of oral proceedings
Nov 29, 2019
Brief communication - Opposition proceedings
Nov 28, 2019
Patent document cited during the opposition procedure
Nov 28, 2019
Written submission in preparation to/during oral proceedings
Nov 26, 2019
(Electronic) Receipt
Nov 26, 2019
Letter accompanying subsequently filed items
Nov 26, 2019
Patent document cited during the opposition procedure
Nov 26, 2019
Written submission in preparation to/during oral proceedings
Nov 5, 2019
Brief communication - Opposition proceedings
Oct 31, 2019
Brief communication - Opposition proceedings
Oct 29, 2019
(Electronic) Receipt
Oct 29, 2019
Letter accompanying subsequently filed items
Oct 29, 2019
Request for interpreters during oral proceedings
Oct 25, 2019
(Electronic) Receipt
Oct 25, 2019
Citation in opposition procedure - 021
Oct 25, 2019
Consolidated list of cited opposition documents
Oct 25, 2019
Letter accompanying subsequently filed items
Oct 25, 2019
Written submission in preparation to/during oral proceedings
Oct 14, 2019
Brief communication - Opposition proceedings
Oct 14, 2019
Brief communication - Opposition proceedings
Oct 7, 2019
Brief communication - Opposition proceedings
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Amended claims with annotations
Oct 2, 2019
Any annexes (other than citation) to an opposition letter
Oct 2, 2019
Any annexes (other than citation) to an opposition letter
Oct 2, 2019
Citation in opposition procedure - 018
Oct 2, 2019
Citation in opposition procedure - 019
Oct 2, 2019
Citation in opposition procedure - 020
Oct 2, 2019
Claims
Oct 2, 2019
Claims
Oct 2, 2019
Claims
Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
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Oct 2, 2019
Claims
Oct 2, 2019
Claims
Oct 2, 2019
Claims
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Request for interpreters during oral proceedings
Oct 2, 2019
Written submission in preparation to/during oral proceedings
Oct 2, 2019
Written submission in preparation to/during oral proceedings
Oct 1, 2019
(Electronic) Receipt
Oct 1, 2019
Letter accompanying subsequently filed items
Oct 1, 2019
Request for interpreters during oral proceedings
May 14, 2019
Brief communication - Opposition proceedings
May 10, 2019
Advice of delivery
May 9, 2019
Advice of delivery
May 8, 2019
Advice of delivery
May 7, 2019
Advice of delivery
May 6, 2019
(Electronic) Receipt
May 6, 2019
Citation in opposition procedure - 005
May 6, 2019
Citation in opposition procedure - 007
May 6, 2019
Citation in opposition procedure - 008
May 6, 2019
Citation in opposition procedure - 009
May 6, 2019
Citation in opposition procedure - 010
May 6, 2019
Citation in opposition procedure - 011
May 6, 2019
Citation in opposition procedure - 012
May 6, 2019
Citation in opposition procedure - 013
May 6, 2019
Citation in opposition procedure - 014
May 6, 2019
Citation in opposition procedure - 015
May 6, 2019
Citation in opposition procedure - 016
May 6, 2019
Citation in opposition procedure - 017
May 6, 2019
Letter accompanying subsequently filed items
May 6, 2019
Written submission in preparation to/during oral proceedings
May 3, 2019
Acknowledgement of a document
May 3, 2019
Acknowledgement of a document
May 3, 2019
Annex to the communication - opposition
May 3, 2019
Information concerning oral proceedings
May 3, 2019
Summons to attend oral proceedings
May 3, 2019
Summons to attend oral proceedings
Jan 28, 2019
Brief communication - Opposition proceedings
Jan 22, 2019
(Electronic) Receipt
Jan 22, 2019
Amended claims with annotations
Jan 22, 2019
Amended claims with annotations
Jan 22, 2019
Amended claims with annotations
Jan 22, 2019
Amended claims with annotations
Jan 22, 2019
Claims
Jan 22, 2019
Claims
Jan 22, 2019
Claims
Jan 22, 2019
Claims
Jan 22, 2019
Letter accompanying subsequently filed items
Jan 22, 2019
Reply of the patent proprietor to the notice(s) of opposition
Oct 2, 2018
Brief communication - Opposition proceedings
Sep 26, 2018
(Electronic) Receipt
Sep 26, 2018
Letter accompanying subsequently filed items
Sep 26, 2018
Letter regarding the opposition procedure (no time limit)
Sep 12, 2018
Communication of a notice of opposition and request to file observations
Sep 12, 2018
Notice of further oppositions to opponent(s)
Sep 6, 2018
Communication of a notice of opposition - first information to patent proprietor
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Citation in opposition procedure - 001
Aug 28, 2018
Citation in opposition procedure - 002
Aug 28, 2018
Citation in opposition procedure - 003
Aug 28, 2018
Citation in opposition procedure - 004
Aug 28, 2018
Citation in opposition procedure - 005
Aug 28, 2018
Citation in opposition procedure - 006
Aug 28, 2018
Notice of opposition
Aug 28, 2018
Notice of opposition
Dec 7, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 6, 2017
Decision to grant a European patent
May 24, 2017
Brief communication to applicant/representative (Legal Division)
May 17, 2017
(Electronic) Receipt
May 17, 2017
English translation of the claims
May 17, 2017
Filing of the translations of the claims
May 17, 2017
French translation of claims
May 17, 2017
Letter accompanying subsequently filed items
Mar 28, 2017
Bibliographic data of the European patent application
Mar 28, 2017
Communication about intention to grant a European patent
Mar 28, 2017
Intention to grant (signatures)
Mar 28, 2017
Text intended for grant (clean copy)
Mar 28, 2017
Text intended for grant (version for approval)
Sep 6, 2016
(Electronic) Receipt
Sep 6, 2016
Amended claims with annotations
Sep 6, 2016
Claims
Sep 6, 2016
Letter accompanying subsequently filed items
Sep 6, 2016
Reply to communication from the Examining Division
May 12, 2016
Annex to the communication
May 12, 2016
Communication from the Examining Division
Mar 11, 2015
CDS Clean up - amended data concerning the representative of the applicant (Association)
Mar 4, 2015
Submission concerning representation
Sep 3, 2013
(Electronic) Receipt
Sep 3, 2013
Claims
Sep 3, 2013
Letter accompanying subsequently filed items
Sep 3, 2013
Reply to communication from the Examining Division
Apr 24, 2013
Annex to the communication
Apr 24, 2013
Communication from the Examining Division
Nov 23, 2012
(Electronic) Receipt
Nov 23, 2012
Letter accompanying subsequently filed items
Nov 23, 2012
Submission concerning representation
Nov 8, 2012
Communication confirming withdrawal from representation
Nov 8, 2012
Communication of amended entries concerning the representative
Oct 1, 2012
Submission concerning change of applicant's representative
Dec 18, 2009
Submission concerning representation
Dec 9, 2009
Notification on forthcoming publication of bibliographic data
Nov 27, 2009
Communication regarding possible amendment of claims/payment of claims fees
Nov 25, 2009
Communication confirming withdrawal from representation
Nov 25, 2009
Communication of amended entries concerning the representative
Nov 24, 2009
Annexes to the international preliminary examination report
Nov 24, 2009
Copy of the international preliminary examination report
Nov 18, 2009
Refund order of filing/examination fee
Nov 11, 2009
CDS Clean up - amended data concerning the representative of the applicant (Association)
Nov 11, 2009
Submission concerning representation
Nov 5, 2009
(Electronic) Receipt
Nov 5, 2009
Amended claims filed after receipt of (European) search report
Nov 5, 2009
Request for entry into the European phase
Sep 3, 2009
Information on entry into European phase
Jul 14, 2009
Annex to International preliminary examination report
Jul 14, 2009
International preliminary examination report
Jul 14, 2009
International preliminary examination report
Jul 14, 2009
International preliminary examination report - free text sheet
Jul 14, 2009
International preliminary examination report - free text sheet
Jul 14, 2009
International preliminary examination report - points I-VIII
Jul 14, 2009
International preliminary examination report - points I-VIII
Jul 14, 2009
Notification of documents sent to WIPO
Jul 14, 2009
Transmittal of International Preliminary Examination Report
Mar 30, 2009
Notification of election of EPO
Mar 25, 2009
Claims
Mar 25, 2009
PCT(IPEA): Amended sheet - claims
Mar 25, 2009
Reply to International Search Opinion
Mar 20, 2009
PCT(IPEA): Amended sheet - claims
Mar 20, 2009
PCT(IPEA): Amended sheet - claims
Mar 20, 2009
Reply to International Search Opinion
Mar 6, 2009
Notification of documents sent to WIPO
Mar 6, 2009
Notification of receipt of demand
Feb 20, 2009
Letter regarding PCTII procedure
Feb 20, 2009
PCT demand form
Feb 20, 2009
PCT(IPEA): Amended sheet - claims
Feb 20, 2009
PCT(IPEA): Amended sheet - claims
Nov 17, 2008
Priority document (electronically transmitted)
Oct 30, 2008
Copy of the international search report
Oct 30, 2008
Published international application - A1
Oct 10, 2007
Abstract
Oct 10, 2007
Claims
Oct 10, 2007
Description
Oct 10, 2007
Drawings

EP2139675

SAINT GOBAIN

Application Number: EP07821104A
Filing Date: Oct 10, 2007
Status: Patent Maintained As Amended; May 16, 2025
Publication Date: Jun 18, 2025
External Links: Slate, Register , Google Patents

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Maintenance-Free Plain Bearing

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Dossier Documents

EP2139675