Compressor Flange For Screw-Type Compressor

Patent No. EP2558726 (titled "Compressor Flange For Screw-Type Compressor") was filed by Knorr Bremse Systeme FR Schienenfahrzeuge on Apr 13, 2011. The application was issued on Mar 29, 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
BOGE KOMPRESSOREN OTTO BOGE	Jul 18, 2018	HEILAND

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

Get instant alerts for new documents

Mar 2, 2023
Decision to maintain the European patent in amended form
Mar 2, 2023
Decision to maintain the European patent in amended form
Feb 24, 2023
Termination of the opposition proceedings with maintenance of patent
Feb 17, 2023
(Electronic) Receipt
Feb 17, 2023
English translation of the claims
Feb 17, 2023
Filing of the translation of the amended claims
Feb 17, 2023
French translation of claims
Dec 13, 2022
Maintenance of the patent with the documents specified in the final decision
Oct 13, 2022
Document concerning representation
Aug 1, 2022
Advice of delivery
Jul 29, 2022
Advice of delivery
Jul 28, 2022
Annex to the communication - opposition
Jul 28, 2022
Decision of the Opposition Division and instruction
Jul 28, 2022
Druckexemplar in opposition procedure
Jul 28, 2022
Grounds for the decision (Annex) - opposition
Jul 28, 2022
Interlocutory decision in opposition proceedings
Jul 28, 2022
Interlocutory decision in opposition proceedings
Jul 28, 2022
Means of redress
Jul 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 28, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 28, 2022
Provision of a copy of the minutes - opposition procedure
Jul 28, 2022
Provision of a copy of the minutes - opposition procedure
Jul 28, 2022
Scanned annex to a communication - opposition procedure
Jul 28, 2022
Scanned annex to a communication - opposition procedure
Jul 28, 2022
Transmittal of decision / summons - opposition
Jul 28, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Information about the result of oral proceedings
Dec 23, 2021
Brief communication - Opposition proceedings
Dec 17, 2021
Auxiliary request during Opposition procedure
Dec 17, 2021
Auxiliary request during Opposition procedure
Dec 17, 2021
Auxiliary request during Opposition procedure
Dec 17, 2021
Auxiliary request during Opposition procedure - 01
Dec 17, 2021
Auxiliary request during Opposition procedure - 02
Dec 17, 2021
Auxiliary request during Opposition procedure - 03
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Letter accompanying subsequently filed items
Dec 17, 2021
Request for interpreters during oral proceedings
Dec 17, 2021
Written submission in preparation to/during oral proceedings
Dec 13, 2021
(Electronic) Receipt
Dec 13, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Notification concerning the date of oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
May 31, 2021
Brief communication - Opposition proceedings
May 20, 2021
(Electronic) Receipt
May 20, 2021
Letter accompanying subsequently filed items
May 20, 2021
Request for interpreters during oral proceedings
May 12, 2021
(Electronic) Receipt
May 12, 2021
Advice of delivery
May 12, 2021
Letter accompanying subsequently filed items
May 11, 2021
Advice of delivery
May 4, 2021
Annex to the communication - opposition
May 4, 2021
Information concerning oral proceedings
May 4, 2021
Summons to attend oral proceedings
May 4, 2021
Summons to attend oral proceedings
May 4, 2021
Transmittal of decision / summons - opposition
May 4, 2021
Transmittal of decision / summons - opposition
Apr 26, 2021
Brief communication - Opposition proceedings
Apr 21, 2021
(Electronic) Receipt
Apr 21, 2021
Letter accompanying subsequently filed items
Apr 21, 2021
Oral proceedings: reply to date proposed
Feb 15, 2021
Brief communication - Opposition proceedings
Feb 9, 2021
(Electronic) Receipt
Feb 9, 2021
Letter accompanying subsequently filed items
Feb 9, 2021
Oral proceedings: reply to date proposed
Feb 5, 2021
Result of consultation by telephone/in person
Feb 2, 2021
Brief communication - Opposition proceedings
Jan 27, 2021
(Electronic) Receipt
Jan 27, 2021
Letter accompanying subsequently filed items
Jan 27, 2021
Letter regarding the opposition procedure (no time limit)
Dec 14, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
Citation in opposition procedure
Dec 8, 2020
Citation in opposition procedure
Dec 8, 2020
Citation in opposition procedure
Dec 8, 2020
Citation in opposition procedure
Dec 8, 2020
Citation in opposition procedure
Dec 8, 2020
Letter regarding the opposition procedure (no time limit)
Dec 4, 2020
Annex
Dec 4, 2020
Letter regarding the opposition procedure (no time limit)
Dec 4, 2020
Non-patent literature cited during the opposition procedure
Dec 4, 2020
Non-patent literature cited during the opposition procedure
Dec 4, 2020
Non-patent literature cited during the opposition procedure
Dec 4, 2020
Non-patent literature cited during the opposition procedure
Sep 15, 2020
Brief communication - Opposition proceedings
Sep 10, 2020
(Electronic) Receipt
Sep 10, 2020
Letter accompanying subsequently filed items
Sep 10, 2020
Letter regarding the opposition procedure (no time limit)
Dec 16, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Citation in opposition procedure
Dec 6, 2019
Non-patent literature cited during the opposition procedure
Dec 6, 2019
Non-scannable object
Dec 6, 2019
Reply to an examination report in opposition proceedings
Dec 5, 2019
Citation for the examination procedure
Dec 5, 2019
Citation for the examination procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Citation in opposition procedure
Dec 5, 2019
Reply to an examination report in opposition proceedings
Jul 26, 2019
Annex to the communication - opposition
Jul 26, 2019
Communication inviting the parties to file observations
Jul 26, 2019
Communication inviting the parties to file observations
Jul 26, 2019
Internal form - Opposition/addressees
May 10, 2019
Brief communication - Opposition proceedings
May 2, 2019
Letter regarding the opposition procedure (no time limit)
May 2, 2019
Non-patent literature cited during the opposition procedure
Apr 9, 2019
Authorisation
Apr 9, 2019
Request concerning the applicant/representative
Feb 27, 2019
Brief communication - Opposition proceedings
Feb 21, 2019
(Electronic) Receipt
Feb 21, 2019
Letter accompanying subsequently filed items
Feb 21, 2019
Reply of the patent proprietor to the notice(s) of opposition
Nov 26, 2018
Submission concerning representation
Nov 7, 2018
Brief communication - Opposition proceedings
Nov 7, 2018
Communication concerning the filing of a power of attorney
Nov 7, 2018
Communication of amended entries concerning the representative
Nov 2, 2018
Authorisation
Nov 2, 2018
Request concerning the applicant/representative
Oct 31, 2018
Authorisation
Oct 31, 2018
Submission concerning representation
Oct 11, 2018
Communication of a notice of opposition and request to file observations
Oct 11, 2018
Notice of further oppositions to opponent(s)
Sep 20, 2018
(Electronic) Receipt
Sep 20, 2018
Letter accompanying subsequently filed items
Sep 20, 2018
Letter regarding the opposition procedure (no time limit)
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Patent document cited during the opposition procedure
Sep 20, 2018
Translation of the evidence during Opposition procedure
Sep 20, 2018
Translation of the evidence during Opposition procedure
Sep 20, 2018
Translation of the evidence during Opposition procedure
Sep 20, 2018
Translation of the evidence during Opposition procedure
Jul 27, 2018
Communication of a notice of opposition - first information to patent proprietor
Jul 27, 2018
Request for documents
Jul 20, 2018
Any annexes (other than citation) to an opposition letter
Jul 20, 2018
Letter concerning fees and payments
Jul 20, 2018
Non-patent literature cited during the opposition procedure
Jul 20, 2018
Non-patent literature cited during the opposition procedure
Jul 20, 2018
Non-patent literature cited during the opposition procedure
Jul 20, 2018
Notice of opposition
Jul 20, 2018
Notice of opposition
Jul 18, 2018
Any annexes (other than citation) to an opposition letter
Jul 18, 2018
Letter concerning fees and payments
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Non-patent literature cited during the opposition procedure
Jul 18, 2018
Notice of opposition
Jul 18, 2018
Notice of opposition
Oct 26, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 21, 2017
Decision to grant a European patent
Sep 1, 2017
English translation of the claims
Sep 1, 2017
Filing of the translations of the claims
Sep 1, 2017
French translation of claims
Jun 9, 2017
Bibliographic data of the European patent application
Jun 9, 2017
Communication about intention to grant a European patent
Jun 9, 2017
Intention to grant (signatures)
Jun 9, 2017
Text intended for grant (clean copy)
Jun 9, 2017
Text intended for grant (version for approval)
May 15, 2017
Examination started
Apr 13, 2017
Enquiry as to when a communication from the Examining Division can be expected
Feb 4, 2016
Response to enquiry for communication from the Examining Division
Feb 1, 2016
(Electronic) Receipt
Feb 1, 2016
Enquiry as to when a communication from the Examining Division can be expected
Jul 30, 2014
Statement of non-availability of priority search results
Jul 1, 2014
Invitation to file a copy of search results(priority)
Dec 6, 2013
Amended claims filed after receipt of (European) search report
Dec 6, 2013
Amended claims with annotations
Dec 6, 2013
Amended description filed after receipt of (European) search report
Dec 6, 2013
Amended description with annotations
Dec 6, 2013
Amendments received before examination
Nov 15, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 7, 2013
Reminder for payment period (examination fee/designation fees)
May 2, 2013
Copy of the international search report
May 2, 2013
Copy of the international search report
May 2, 2013
International publication of the international search report
Apr 9, 2013
Copy of the international preliminary report on patentability
Mar 14, 2013
Written opinion of the ISA, boxes No. I to VIII
Mar 14, 2013
Written opinion of the ISA, cover sheet
Mar 14, 2013
Written opinion of the ISA, supplemental box
Jan 23, 2013
Notification on forthcoming publication of bibliographic data
Nov 26, 2012
Communication to designated inventor
Oct 11, 2012
Matter concerning the application
Oct 11, 2012
Request for entry into the European phase
Aug 24, 2012
Information on entry into European phase
Nov 8, 2011
Priority document (electronically transmitted)
Oct 20, 2011
Published international application - A2
Apr 13, 2011
(Electronic) Receipt
Apr 13, 2011
Abstract
Apr 13, 2011
Claims
Apr 13, 2011
Description
Apr 13, 2011
Drawings

EP2558726

KNORR BREMSE SYSTEME FR SCHIENENFAHRZEUGE

Application Number: EP11716393A
Filing Date: Apr 13, 2011
Status: Patent Maintained As Amended; Feb 24, 2023
Publication Date: Mar 29, 2023
External Links: Slate, Register , Google Patents

IP Verse

Compressor Flange For Screw-Type Compressor

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2558726