Gas Compression Spring

Patent No. EP2937595 (titled "Gas Compression Spring") was filed by Steinel Normalien on Mar 31, 2015. The application was issued on May 2, 2018.

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, 2019	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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Dec 1, 2025
Annex to the communication - opposition
Dec 1, 2025
Communication inviting the parties to file observations
Dec 1, 2025
Communication inviting the parties to file observations
Jul 15, 2025
Decision of the Board of Appeal
Jul 15, 2025
F3032 Notification(s) of the decision
Jul 15, 2025
F3032 Notification(s) of the decision
May 15, 2025
Amended claims with annotations
May 15, 2025
Claims
May 15, 2025
F3013 Oral Proceedings: Forwarding minutes
May 15, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Apr 8, 2025
F3345 Forwarding of submissions to parties
Apr 8, 2025
F3345 Forwarding of submissions to parties
Apr 7, 2025
(Electronic) Receipt
Apr 7, 2025
Letter accompanying subsequently filed items
Apr 7, 2025
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2025
(Electronic) Receipt
Apr 3, 2025
Letter accompanying subsequently filed items
Mar 25, 2025
(Electronic) Receipt
Mar 25, 2025
Letter accompanying subsequently filed items
Mar 18, 2025
Oral proceedings: change of venue
Mar 18, 2025
Oral proceedings: change of venue
Mar 17, 2025
Annexes (other than cited documents) regarding appeal procedure
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 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
(Electronic) Receipt
Mar 13, 2025
Letter accompanying subsequently filed items
Mar 13, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 12, 2025
F3011.1 Oral Proceedings: summons
Feb 12, 2025
F3011.1 Oral Proceedings: summons
Feb 7, 2025
F3010 Oral proceedings: order for summons
Feb 6, 2025
F3303.16 Change of composition of the Board (T)
Dec 2, 2024
F3345 Forwarding of submissions to parties
Nov 29, 2024
(Electronic) Receipt
Nov 29, 2024
Letter accompanying subsequently filed items
Nov 29, 2024
Letter relating to Appeal Procedure
Jul 10, 2024
F3345 Forwarding of submissions to parties
Jul 4, 2024
(Electronic) Receipt
Jul 4, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 4, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 4, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 4, 2024
Letter accompanying subsequently filed items
Jul 4, 2024
Letter relating to Appeal Procedure
Mar 6, 2024
F3345 Forwarding of submissions to parties
Feb 29, 2024
(Electronic) Receipt
Feb 29, 2024
Letter accompanying subsequently filed items
Feb 29, 2024
Letter relating to Appeal Procedure
Dec 11, 2023
Composition of the board (T)
Dec 8, 2023
F3345 Forwarding of submissions to parties
Dec 1, 2023
(Electronic) Receipt
Dec 1, 2023
Letter accompanying subsequently filed items
Dec 1, 2023
Letter relating to Appeal Procedure
Aug 3, 2023
F3345 Forwarding of submissions to parties
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Amended claims with annotations
Jul 21, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
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Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
Claims
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Reply to appeal
Mar 14, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 2, 2023
(Electronic) Receipt
Mar 2, 2023
Letter accompanying subsequently filed items
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Non-Patent Literature cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Patent Document cited during the appeal procedure
Mar 2, 2023
Statement of grounds of appeal
Dec 13, 2022
F3204 Communication of the file number to the parties
Dec 13, 2022
F3204 Communication of the file number to the parties
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Notice of appeal
Nov 7, 2022
Advice of delivery
Nov 2, 2022
Advice of delivery
Nov 2, 2022
Annex to the communication - opposition
Nov 2, 2022
Druckexemplar in opposition procedure
Nov 2, 2022
Grounds for the decision (Annex) - opposition
Nov 2, 2022
Interlocutory decision in opposition proceedings
Nov 2, 2022
Interlocutory decision in opposition proceedings
Nov 2, 2022
Means of redress
Nov 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 2, 2022
Provision of a copy of the minutes - opposition procedure
Nov 2, 2022
Provision of a copy of the minutes - opposition procedure
Nov 2, 2022
Scanned annex to a communication - opposition procedure
Nov 2, 2022
Transmittal of decision / summons - opposition
Nov 2, 2022
Transmittal of decision / summons - opposition
Mar 8, 2022
Information about the result of oral proceedings
Feb 1, 2022
Brief communication - Opposition proceedings
Jan 25, 2022
Request for interpreters during oral proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 7, 2022
Written submission in preparation to/during oral proceedings
Jan 5, 2022
(Electronic) Receipt
Jan 5, 2022
Any annexes (other than citation) to an opposition letter
Jan 5, 2022
Any annexes (other than citation) to an opposition letter
Jan 5, 2022
Any annexes (other than citation) to an opposition letter
Jan 5, 2022
Letter accompanying subsequently filed items
Jan 5, 2022
Oral proceedings: reply to date proposed
Jan 5, 2022
Written submission in preparation to/during oral proceedings
Dec 22, 2021
Notification concerning the date of oral proceedings
Dec 22, 2021
Notification concerning the date of oral proceedings
Jun 28, 2021
Advice of delivery
Jun 28, 2021
Advice of delivery
Jun 28, 2021
Advice of delivery
Jun 23, 2021
Information concerning oral proceedings
Jun 23, 2021
Summons to attend oral proceedings
Jun 23, 2021
Summons to attend oral proceedings
Jun 23, 2021
Transmittal of decision / summons - opposition
Jun 23, 2021
Transmittal of decision / summons - opposition
Jun 22, 2021
Notification concerning the date of oral proceedings
Jun 22, 2021
Notification concerning the date of oral proceedings
Jun 16, 2021
Brief communication - Opposition proceedings
Jun 8, 2021
Any annexes (other than citation) to an opposition letter
Jun 8, 2021
Oral proceedings: Request for postponement
Jun 2, 2021
Notification concerning the date of oral proceedings
Jun 2, 2021
Notification concerning the date of oral proceedings
May 27, 2021
Brief communication - Opposition proceedings
May 19, 2021
Advice of delivery
May 19, 2021
Oral proceedings: Request for postponement
May 18, 2021
Advice of delivery
May 18, 2021
Advice of delivery
May 14, 2021
Annex to the communication - opposition
May 14, 2021
Information concerning oral proceedings
May 14, 2021
Summons to attend oral proceedings
May 14, 2021
Summons to attend oral proceedings
May 14, 2021
Transmittal of decision / summons - opposition
May 14, 2021
Transmittal of decision / summons - opposition
Nov 13, 2019
Brief communication - Opposition proceedings
Nov 8, 2019
Letter regarding the opposition procedure (no time limit)
Jun 14, 2019
Brief communication - Opposition proceedings
Jun 11, 2019
(Electronic) Receipt
Jun 11, 2019
Letter accompanying subsequently filed items
Jun 11, 2019
Reply of the patent proprietor to the notice(s) of opposition
Feb 15, 2019
Communication of a notice of opposition and request to file observations
Feb 15, 2019
Notice of further oppositions to opponent(s)
Feb 8, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 30, 2019
(Electronic) Receipt
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Non-patent literature cited during the opposition procedure
Jan 30, 2019
Notice of opposition
Jan 30, 2019
Notice of opposition
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
Jan 30, 2019
Patent document cited during the opposition procedure
May 14, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 6, 2018
Decision to grant a European patent
Feb 26, 2018
(Electronic) Receipt
Feb 26, 2018
English translation of the claims
Feb 26, 2018
Filing of the translations of the claims
Feb 26, 2018
French translation of claims
Feb 26, 2018
Letter accompanying subsequently filed items
Jan 11, 2018
Bibliographic data of the European patent application
Jan 11, 2018
Communication about intention to grant a European patent
Jan 11, 2018
Intention to grant (signatures)
Jan 11, 2018
Text intended for grant (clean copy)
Jan 11, 2018
Text intended for grant (version for approval)
Apr 11, 2017
(Electronic) Receipt
Apr 11, 2017
Amended claims with annotations
Apr 11, 2017
Amended description with annotations
Apr 11, 2017
Claims
Apr 11, 2017
Description
Apr 11, 2017
Letter accompanying subsequently filed items
Apr 11, 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
Oct 5, 2016
Annex to the communication
Oct 5, 2016
Communication from the Examining Division
Sep 28, 2016
Examination started
Jun 30, 2016
(Electronic) Receipt
Jun 30, 2016
Letter accompanying subsequently filed items
Jun 30, 2016
Reply to Written Opinion prepared by the EPO
Jan 7, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 16, 2015
Communication concerning corrected entries of the applicant
Dec 1, 2015
Communication regarding the transmission of the European search report
Dec 1, 2015
European search opinion
Dec 1, 2015
European search report
Dec 1, 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

EP2937595

STEINEL NORMALIEN

Application Number: EP15161830A
Filing Date: Mar 31, 2015
Status: Granted And Under Opposition; Mar 30, 2018
Publication Date: May 2, 2018
External Links: Slate, Register , Google Patents

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Gas Compression Spring

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EP2937595