Sprocket Support Structure

Patent No. EP2452865 (titled "Sprocket Support Structure") was filed by Shimano on Jun 16, 2011. The application was issued on Jul 16, 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
SRAM DEUTSCHLAND	May 4, 2017	RUTTENSPERGER LACHNIT TROSSIN GOMOLL

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 20, 2025
Decision to maintain the European patent in amended form
Jun 20, 2025
Decision to maintain the European patent in amended form
Jun 5, 2025
(Electronic) Receipt
Jun 5, 2025
Filing of the translation of the amended claims
Jun 5, 2025
French translation of claims
Jun 5, 2025
German translation of the claims
Apr 14, 2025
Communication of bibliographic data
Apr 14, 2025
Communication to opponent concerning maintenance
Apr 14, 2025
Communication with request to file translations
Mar 25, 2025
Maintenance of the patent with the documents specified in the final decision
Aug 13, 2024
Brief communication - Opposition proceedings
Aug 13, 2024
Brief communication - Opposition proceedings
Aug 13, 2024
Decision of the Opposition Division and instruction
Aug 13, 2024
Druckexemplar in opposition procedure
Aug 13, 2024
Grounds for the decision (Annex) - opposition
Aug 13, 2024
Interlocutory decision in opposition proceedings
Aug 13, 2024
Interlocutory decision in opposition proceedings
Aug 13, 2024
Means of redress
Mar 15, 2024
Annex to the communication - opposition
Mar 15, 2024
Brief communication - Opposition proceedings
Mar 15, 2024
Brief communication - Opposition proceedings
Mar 15, 2024
Communication inviting the parties to file observations
Mar 15, 2024
Communication inviting the parties to file observations
Feb 22, 2024
Brief communication - Opposition proceedings
Feb 16, 2024
(Electronic) Receipt
Feb 16, 2024
Amended description with annotations
Feb 16, 2024
Description
Feb 16, 2024
Letter accompanying subsequently filed items
Feb 16, 2024
Reply to an examination report in opposition proceedings
Dec 8, 2023
Annex to the communication - opposition
Dec 8, 2023
Brief communication - Opposition proceedings
Dec 8, 2023
Brief communication - Opposition proceedings
Dec 8, 2023
Communication inviting the parties to file observations
Dec 8, 2023
Communication inviting the parties to file observations
Sep 12, 2023
Advice of delivery
Sep 11, 2023
Decision of the Board of Appeal
Sep 11, 2023
F3032 Notification(s) of the decision
Sep 11, 2023
F3032 Notification(s) of the decision
Jul 4, 2023
F3013 Oral Proceedings: Forwarding minutes
Jul 4, 2023
F3013 Oral Proceedings: Forwarding minutes
Jun 29, 2023
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 26, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 26, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jun 21, 2023
(Electronic) Receipt
Jun 21, 2023
Letter accompanying subsequently filed items
Jun 21, 2023
Oral proceedings: reply to date proposed
Jun 6, 2023
F3345 Forwarding of submissions to parties
Jun 2, 2023
F3345 Forwarding of submissions to parties
Jun 1, 2023
(Electronic) Receipt
Jun 1, 2023
Letter accompanying subsequently filed items
Jun 1, 2023
Letter dealing with oral proceedings during the appeal procedure
May 26, 2023
(Electronic) Receipt
May 26, 2023
Letter accompanying subsequently filed items
May 23, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 23, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 8, 2023
F3345 Forwarding of submissions to parties
May 2, 2023
(Electronic) Receipt
May 2, 2023
Letter accompanying subsequently filed items
May 2, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 20, 2023
(Electronic) Receipt
Feb 20, 2023
Letter accompanying subsequently filed items
Dec 6, 2022
F3022 Oral proceedings: change of board composition
Dec 6, 2022
F3022 Oral proceedings: change of board composition
Dec 1, 2022
F3303.16 Change of composition of the Board (T)
Apr 4, 2022
(Electronic) Receipt
Apr 4, 2022
Advice of delivery
Apr 4, 2022
Letter accompanying subsequently filed items
Apr 1, 2022
Advice of delivery
Mar 31, 2022
F3011.1 Oral Proceedings: summons
Mar 31, 2022
F3011.1 Oral Proceedings: summons
Mar 28, 2022
F3010 Oral proceedings: order for summons
Oct 7, 2020
F3345 Forwarding of submissions to parties
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
Letter accompanying subsequently filed items
Oct 1, 2020
Letter relating to Appeal Procedure
Apr 16, 2020
F3345 Forwarding of submissions to parties
Apr 9, 2020
F3345 Forwarding of submissions to parties
Apr 8, 2020
(Electronic) Receipt
Apr 8, 2020
Letter accompanying subsequently filed items
Apr 8, 2020
Reply to appeal
Apr 2, 2020
F3345 Forwarding of submissions to parties
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Amended claims with annotations
Mar 30, 2020
Auxiliary request during appeals procedure - 02
Mar 30, 2020
Auxiliary request during appeals procedure - 03
Mar 30, 2020
Auxiliary request during appeals procedure - 04
Mar 30, 2020
Claims
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Reply to appeal
Mar 2, 2020
Composition of the board (T)
Dec 9, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 3, 2019
(Electronic) Receipt
Dec 3, 2019
Letter accompanying subsequently filed items
Dec 3, 2019
Statement of grounds of appeal
Nov 25, 2019
(Electronic) Receipt
Nov 25, 2019
Letter accompanying subsequently filed items
Nov 25, 2019
Statement of grounds of appeal
Oct 9, 2019
F3204 Communication of the file number to the parties
Oct 8, 2019
Refund of fees
Oct 4, 2019
F3204 Communication of the file number to the parties
Oct 2, 2019
(Electronic) Receipt
Oct 2, 2019
Letter accompanying subsequently filed items
Oct 2, 2019
Notice of appeal
Sep 25, 2019
(Electronic) Receipt
Sep 25, 2019
Letter accompanying subsequently filed items
Sep 25, 2019
Notice of appeal
Aug 23, 2019
Advice of delivery
Aug 21, 2019
Advice of delivery
Aug 7, 2019
Advice of delivery
Jul 31, 2019
Advice of delivery
Jul 25, 2019
Acknowledgement of a document
Jul 25, 2019
Acknowledgement of a document
Jul 25, 2019
Annex to the communication - opposition
Jul 25, 2019
Decision of the Opposition Division and instruction
Jul 25, 2019
Druckexemplar in opposition procedure
Jul 25, 2019
Grounds for the decision (Annex) - opposition
Jul 25, 2019
Interlocutory decision in opposition proceedings
Jul 25, 2019
Internal form - Opposition/addressees
Jul 25, 2019
Internal form - Opposition/addressees
Jul 25, 2019
Means of redress
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 25, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 25, 2019
Provision of a copy of the minutes - opposition procedure
Jul 25, 2019
Scanned annex to a communication - opposition procedure
Nov 13, 2018
Information about the result of oral proceedings
Sep 11, 2018
Brief communication - Opposition proceedings
Sep 7, 2018
Brief communication - Opposition proceedings
Sep 6, 2018
(Electronic) Receipt
Sep 6, 2018
Any annexes (other than citation) to an opposition letter
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Auxiliary request during Opposition procedure
Sep 6, 2018
Letter accompanying subsequently filed items
Sep 6, 2018
Main request during Opposition procedure
Sep 6, 2018
Main request during Opposition procedure
Sep 6, 2018
Written submission in preparation to/during oral proceedings
Sep 4, 2018
(Electronic) Receipt
Sep 4, 2018
Request for interpreters during oral proceedings
Sep 3, 2018
Brief communication - Opposition proceedings
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Request for interpreters during oral proceedings
Apr 20, 2018
Submission concerning representation
Mar 27, 2018
Advice of delivery
Mar 21, 2018
Advice of delivery
Mar 15, 2018
Advice of delivery
Mar 8, 2018
Advice of delivery
Mar 5, 2018
Acknowledgement of a document
Mar 5, 2018
Acknowledgement of a document
Mar 5, 2018
Annex to the communication - opposition
Mar 5, 2018
Information concerning oral proceedings
Mar 5, 2018
Preparation for oral proceedings
Mar 5, 2018
Summons to attend oral proceedings
Mar 5, 2018
Summons to attend oral proceedings
Oct 30, 2017
Brief communication - Opposition proceedings
Oct 19, 2017
(Electronic) Receipt
Oct 19, 2017
Auxiliary request during Opposition procedure
Oct 19, 2017
Auxiliary request during Opposition procedure
Oct 19, 2017
Letter accompanying subsequently filed items
Oct 19, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 20, 2017
Communication of a notice of opposition and request to file observations
Jun 20, 2017
Notice of further oppositions to opponent(s)
May 15, 2017
Communication of a notice of opposition - first information to patent proprietor
May 4, 2017
(Electronic) Receipt
May 4, 2017
Any annexes (other than citation) to an opposition letter
May 4, 2017
Citation in opposition procedure
May 4, 2017
Notice of opposition
May 4, 2017
Notice of opposition
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
May 4, 2017
Patent document cited during the opposition procedure
Aug 11, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 14, 2016
Decision to grant a European patent
May 17, 2016
Letter concerning fees and payments
May 17, 2016
Payment of fees and costs
May 12, 2016
Notice on debiting of fees
Apr 25, 2016
Filing of the translations of the claims
Apr 25, 2016
French translation of claims
Apr 25, 2016
German translation of the claims
Apr 25, 2016
Payment of fees and costs
Apr 21, 2016
Communication of amended entries concerning the representative
Apr 15, 2016
Submission concerning change of applicant's representative
Feb 9, 2016
Bibliographic data of the European patent application
Feb 9, 2016
Communication about intention to grant a European patent
Feb 9, 2016
Intention to grant (signatures)
Feb 9, 2016
Text intended for grant (clean copy)
Feb 9, 2016
Text intended for grant (version for approval)
Aug 20, 2015
Amended claims with annotations
Aug 20, 2015
Amended description with annotations
Aug 20, 2015
Claims
Aug 20, 2015
Description
Aug 20, 2015
Reply to communication from the Examining Division
May 11, 2015
Annex to the communication
May 11, 2015
Communication from the Examining Division
Apr 29, 2015
Examination started
Jan 13, 2015
Enquiry as to when a communication from the Examining Division can be expected
Nov 14, 2013
Enquiry as to when a communication from the Examining Division can be expected
May 22, 2012
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 21, 2012
Letter concerning fees and payments
Apr 18, 2012
Notification of forthcoming publication
Mar 21, 2012
Reply to Written Opinion prepared by the EPO
Dec 5, 2011
Communication regarding the transmission of the European search report
Dec 5, 2011
European search opinion
Dec 5, 2011
European search report
Aug 16, 2011
Confirmation of receipt of (electronically) transmitted priority document
Jul 28, 2011
Priority document (electronically transmitted)
Jun 16, 2011
Abstract
Jun 16, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jun 16, 2011
Claims
Jun 16, 2011
Description
Jun 16, 2011
Designation of inventor
Jun 16, 2011
Drawings
Jun 16, 2011
Request for grant of a European patent

EP2452865

SHIMANO

Application Number: EP11170099A
Filing Date: Jun 16, 2011
Status: Patent Maintained As Amended; Jun 13, 2025
Publication Date: Jul 16, 2025
External Links: Slate, Register , Google Patents

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Sprocket Support Structure

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Dossier Documents

EP2452865