Gas Compression Spring

Patent No. EP2937593 (titled "Gas Compression Spring") was filed by Steinel Normalien on Mar 31, 2015. The application was issued on May 1, 2019.

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
FIBRO	Jan 30, 2020	STAEGER & SPERLING PARTNERSCHAFTSGESELLSCHAFT 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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Jan 16, 2026
Communication of bibliographic data
Jan 16, 2026
Communication to opponent concerning maintenance
Jan 16, 2026
Communication with request to file translations
Jan 12, 2026
Maintenance of the patent with the documents specified in the final decision
Jan 8, 2026
Druckexemplar in opposition procedure
Jul 16, 2025
Decision of the Board of Appeal
Jul 16, 2025
F3032 Notification(s) of the decision
Jul 16, 2025
F3032 Notification(s) of the decision
Jun 3, 2025
Amended description with annotations
Jun 3, 2025
F3013 Oral Proceedings: Forwarding minutes
Jun 3, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 24, 2025
F3345 Forwarding of submissions to parties
Apr 16, 2025
(Electronic) Receipt
Apr 16, 2025
(Electronic) Receipt
Apr 16, 2025
Letter accompanying subsequently filed items
Apr 16, 2025
Letter accompanying subsequently filed items
Apr 16, 2025
Letter dealing with oral proceedings during the appeal procedure
Apr 16, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 28, 2025
F3345 Forwarding of submissions to parties
Mar 27, 2025
(Electronic) Receipt
Mar 27, 2025
Letter accompanying subsequently filed items
Mar 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 18, 2025
Oral proceedings: change of venue
Mar 18, 2025
Oral proceedings: change of venue
Mar 17, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 17, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 17, 2025
F3345 Forwarding of submissions to parties
Mar 14, 2025
(Electronic) Receipt
Mar 14, 2025
Letter accompanying subsequently filed items
Mar 14, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 13, 2025
F3345 Forwarding of submissions to parties
Mar 10, 2025
(Electronic) Receipt
Mar 10, 2025
F3011.1 Oral Proceedings: summons
Mar 10, 2025
F3011.1 Oral Proceedings: summons
Mar 10, 2025
Letter accompanying subsequently filed items
Mar 10, 2025
Letter dealing with oral proceedings during the appeal procedure
Mar 5, 2025
F3010 Oral proceedings: order for summons
Mar 4, 2025
F3303.16 Change of composition of the Board (T)
Feb 28, 2025
F3303.16 Change of composition of the Board (T)
Feb 27, 2025
F3303.16 Change of composition of the Board (T)
Dec 6, 2024
F3345 Forwarding of submissions to parties
Dec 2, 2024
(Electronic) Receipt
Dec 2, 2024
Letter accompanying subsequently filed items
Dec 2, 2024
Letter relating to Appeal Procedure
Sep 20, 2024
Composition of the board (T)
May 22, 2024
F3345 Forwarding of submissions to parties
May 16, 2024
(Electronic) Receipt
May 16, 2024
Letter accompanying subsequently filed items
May 16, 2024
Letter relating to Appeal Procedure
Feb 6, 2024
F3345 Forwarding of submissions to parties
Jan 30, 2024
(Electronic) Receipt
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended claims with annotations
Jan 30, 2024
Amended description with annotations
Jan 30, 2024
Amended description with annotations
Jan 30, 2024
Amended description with annotations
Jan 30, 2024
Amended description with annotations
Jan 30, 2024
Amended description with annotations
Jan 30, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Claims
Jan 30, 2024
Description
Jan 30, 2024
Description
Jan 30, 2024
Description
Jan 30, 2024
Description
Jan 30, 2024
Description
Jan 30, 2024
Letter accompanying subsequently filed items
Jan 30, 2024
Reply to appeal
Oct 2, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 20, 2023
(Electronic) Receipt
Sep 20, 2023
Letter accompanying subsequently filed items
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Patent Document cited during the appeal procedure
Sep 20, 2023
Statement of grounds of appeal
Jun 28, 2023
F3204 Communication of the file number to the parties
Jun 28, 2023
F3204 Communication of the file number to the parties
Jun 22, 2023
(Electronic) Receipt
Jun 22, 2023
Letter accompanying subsequently filed items
Jun 22, 2023
Notice of appeal
Jun 1, 2023
Advice of delivery
May 26, 2023
Advice of delivery
May 26, 2023
Annex to the communication - opposition
May 26, 2023
Decision of the Opposition Division and instruction
May 26, 2023
Grounds for the decision (Annex) - opposition
May 26, 2023
Interlocutory decision in opposition proceedings
May 26, 2023
Interlocutory decision in opposition proceedings
May 26, 2023
Means of redress
May 26, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 26, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 26, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 26, 2023
Provision of a copy of the minutes - opposition procedure
May 26, 2023
Provision of a copy of the minutes - opposition procedure
Oct 20, 2022
Information about the result of oral proceedings
Aug 29, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
Brief communication - Opposition proceedings
Aug 19, 2022
(Electronic) Receipt
Aug 19, 2022
Letter accompanying subsequently filed items
Aug 19, 2022
Written submission in preparation to/during oral proceedings
Aug 15, 2022
(Electronic) Receipt
Aug 15, 2022
Auxiliary request during Opposition procedure
Aug 15, 2022
Auxiliary request during Opposition procedure
Aug 15, 2022
Auxiliary request during Opposition procedure
Aug 15, 2022
Auxiliary request during Opposition procedure
Aug 15, 2022
Auxiliary request during Opposition procedure
Aug 15, 2022
Auxiliary request during Opposition procedure - 01
Aug 15, 2022
Auxiliary request during Opposition procedure - 02
Aug 15, 2022
Auxiliary request during Opposition procedure - 03
Aug 15, 2022
Auxiliary request during Opposition procedure - 04
Aug 15, 2022
Auxiliary request during Opposition procedure - 05
Aug 15, 2022
Letter accompanying subsequently filed items
Aug 15, 2022
Written submission in preparation to/during oral proceedings
Aug 2, 2022
Brief communication - Opposition proceedings
Jul 25, 2022
(Electronic) Receipt
Jul 25, 2022
Letter accompanying subsequently filed items
Jul 25, 2022
Written submission in preparation to/during oral proceedings
May 12, 2022
Brief communication - Opposition proceedings
May 3, 2022
Written submission in preparation to/during oral proceedings
Apr 25, 2022
Notification concerning the date of oral proceedings
Apr 25, 2022
Notification concerning the date of oral proceedings
Mar 7, 2022
Advice of delivery
Mar 4, 2022
Advice of delivery
Mar 2, 2022
Annex to the communication - opposition
Mar 2, 2022
Information concerning oral proceedings
Mar 2, 2022
Summons to attend oral proceedings
Mar 2, 2022
Summons to attend oral proceedings
Mar 2, 2022
Transmittal of decision / summons - opposition
Mar 2, 2022
Transmittal of decision / summons - opposition
Sep 14, 2020
Brief communication - Opposition proceedings
Sep 8, 2020
Reply from the opponent to submission of proprietor
Jul 1, 2020
Brief communication - Opposition proceedings
Jun 26, 2020
(Electronic) Receipt
Jun 26, 2020
Letter accompanying subsequently filed items
Jun 26, 2020
Reply of the patent proprietor to the notice(s) of opposition
Feb 19, 2020
Communication of a notice of opposition and request to file observations
Feb 19, 2020
Notice of further oppositions to opponent(s)
Feb 4, 2020
Communication of a notice of opposition - first information to patent proprietor
Jan 31, 2020
Consolidated list of cited opposition documents
Jan 30, 2020
(Electronic) Receipt
Jan 30, 2020
Citation in opposition procedure - 001
Jan 30, 2020
Citation in opposition procedure - 002
Jan 30, 2020
Citation in opposition procedure - 003
Jan 30, 2020
Citation in opposition procedure - 004
Jan 30, 2020
Citation in opposition procedure - 005
Jan 30, 2020
Citation in opposition procedure - 006
Jan 30, 2020
Citation in opposition procedure - 007
Jan 30, 2020
Citation in opposition procedure - 008
Jan 30, 2020
Citation in opposition procedure - 009
Jan 30, 2020
Citation in opposition procedure - 010
Jan 30, 2020
Citation in opposition procedure - 011
Jan 30, 2020
Citation in opposition procedure - 012
Jan 30, 2020
Citation in opposition procedure - 013
Jan 30, 2020
Citation in opposition procedure - 014
Jan 30, 2020
Citation in opposition procedure - 015
Jan 30, 2020
Citation in opposition procedure - 016
Jan 30, 2020
Citation in opposition procedure - 017
Jan 30, 2020
Notice of opposition
Jan 30, 2020
Notice of opposition
Jan 30, 2020
Translation of the evidence during Opposition procedure
May 13, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 4, 2019
Decision to grant a European patent
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
English translation of the claims
Mar 13, 2019
Filing of the translations of the claims
Mar 13, 2019
French translation of claims
Mar 13, 2019
Letter accompanying subsequently filed items
Jan 10, 2019
Bibliographic data of the European patent application
Jan 10, 2019
Communication about intention to grant a European patent
Jan 10, 2019
Intention to grant (signatures)
Jan 10, 2019
Text intended for grant (clean copy)
Jan 10, 2019
Text intended for grant (version for approval)
Oct 12, 2018
(Electronic) Receipt
Oct 12, 2018
Amended claims with annotations
Oct 12, 2018
Claims
Oct 12, 2018
Letter accompanying subsequently filed items
Oct 12, 2018
Reply to communication from the Examining Division
Jul 12, 2018
Grant of extension of time limit (examination procedure)
Jul 6, 2018
Request for extension of time limit to communication from the Examining Division
Apr 4, 2018
Annex to the communication
Apr 4, 2018
Communication from the Examining Division
Apr 7, 2017
(Electronic) Receipt
Apr 7, 2017
Amended claims with annotations
Apr 7, 2017
Amended description with annotations
Apr 7, 2017
Claims
Apr 7, 2017
Description
Apr 7, 2017
Letter accompanying subsequently filed items
Apr 7, 2017
Reply to communication from the Examining Division
Feb 9, 2017
Grant of extension of time limit (examination procedure)
Feb 6, 2017
Request for extension of time limit to communication from the Examining Division
Feb 3, 2017
Request for extension of time limit to communication from the Examining Division
Feb 3, 2017
Request for extension of time limit to communication from the Examining Division
Oct 5, 2016
Annex to the communication
Oct 5, 2016
Communication from the Examining Division
Sep 28, 2016
Examination started
Jul 6, 2016
(Electronic) Receipt
Jul 6, 2016
Letter accompanying subsequently filed items
Jul 6, 2016
Reply to Written Opinion prepared by the EPO
Jan 11, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 7, 2015
Communication concerning corrected entries of the applicant
Dec 3, 2015
Communication regarding the transmission of the European search report
Dec 3, 2015
European search opinion
Dec 3, 2015
European search report
Dec 3, 2015
Information on Search Strategy
Nov 16, 2015
Request for correction of client data
Sep 30, 2015
Notification of forthcoming publication
May 22, 2015
Communication to designated inventor
May 22, 2015
Communication to designated inventor
Apr 16, 2015
Letter concerning the priority
Apr 16, 2015
Priority document
Mar 31, 2015
Abstract
Mar 31, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Mar 31, 2015
Claims
Mar 31, 2015
Description
Mar 31, 2015
Designation of inventor
Mar 31, 2015
Drawings
Mar 31, 2015
Priority search results
Mar 31, 2015
Request for grant of a European patent

EP2937593

STEINEL NORMALIEN

Application Number: EP15161828A
Filing Date: Mar 31, 2015
Status: Granted And Under Opposition; Mar 29, 2019
Publication Date: May 1, 2019
External Links: Slate, Register , Google Patents

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Gas Compression Spring

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Dossier Documents

EP2937593