Gas Compression Spring

Patent No. EP2937594 (titled "Gas Compression Spring") was filed by Steinel Normalien on Mar 31, 2015. The application was issued on Dec 13, 2017.

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	Sep 5, 2018	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

Get instant alerts for new documents

Aug 7, 2025
Decision of the Board of Appeal
Aug 7, 2025
F3032 Notification(s) of the decision
Aug 7, 2025
F3032 Notification(s) of the decision
Jul 15, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 15, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 15, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jun 30, 2025
F3345 Forwarding of submissions to parties
Jun 27, 2025
(Electronic) Receipt
Jun 27, 2025
Letter accompanying subsequently filed items
Jun 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 11, 2025
F3345 Forwarding of submissions to parties
Jun 11, 2025
F3345 Forwarding of submissions to parties
Jun 7, 2025
(Electronic) Receipt
Jun 7, 2025
Letter accompanying subsequently filed items
Jun 7, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
Letter accompanying subsequently filed items
Jun 6, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 2, 2025
F3004 Communication of the Registry
Jun 2, 2025
F3004 Communication of the Registry
May 28, 2025
F3345 Forwarding of submissions to parties
May 27, 2025
(Electronic) Receipt
May 27, 2025
Letter accompanying subsequently filed items
May 27, 2025
Letter dealing with oral proceedings during the appeal procedure
May 7, 2025
F3011.1 Oral Proceedings: summons
May 7, 2025
F3011.1 Oral Proceedings: summons
May 7, 2025
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
May 6, 2025
F3010 Oral proceedings: order for summons
Nov 15, 2024
F3303.16 Change of composition of the Board (T)
Oct 16, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Oct 14, 2024
F3303.16 Change of composition of the Board (T)
Oct 10, 2024
F3313 Order: change of Board due to the technical aspects of the appeal
Aug 1, 2024
F3345 Forwarding of submissions to parties
Jul 26, 2024
(Electronic) Receipt
Jul 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Jul 26, 2024
Letter accompanying subsequently filed items
Jul 26, 2024
Letter relating to Appeal Procedure
Apr 8, 2024
F3345 Forwarding of submissions to parties
Apr 5, 2024
(Electronic) Receipt
Apr 5, 2024
Amended description with annotations
Apr 5, 2024
Amended description with annotations
Apr 5, 2024
Amended description with annotations
Apr 5, 2024
Description
Apr 5, 2024
Description
Apr 5, 2024
Description
Apr 5, 2024
Letter accompanying subsequently filed items
Apr 5, 2024
Letter relating to Appeal Procedure
Feb 8, 2024
F3345 Forwarding of submissions to parties
Jan 31, 2024
(Electronic) Receipt
Jan 31, 2024
Letter accompanying subsequently filed items
Jan 31, 2024
Letter relating to Appeal Procedure
Dec 11, 2023
Composition of the board (T)
Oct 23, 2023
F3345 Forwarding of submissions to parties
Oct 13, 2023
(Electronic) Receipt
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended claims with annotations
Oct 13, 2023
Amended description with annotations
Oct 13, 2023
Amended description with annotations
Oct 13, 2023
Annexes (other than cited documents) regarding appeal procedure
Oct 13, 2023
Annexes (other than cited documents) regarding appeal procedure
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Claims
Oct 13, 2023
Description
Oct 13, 2023
Description
Oct 13, 2023
Letter accompanying subsequently filed items
Oct 13, 2023
Reply to appeal
Jun 13, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 7, 2023
(Electronic) Receipt
Jun 7, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Patent Document cited during the appeal procedure
Jun 7, 2023
Patent Document cited during the appeal procedure
Jun 7, 2023
Statement of grounds of appeal
Mar 15, 2023
F3204 Communication of the file number to the parties
Mar 15, 2023
F3204 Communication of the file number to the parties
Mar 8, 2023
Letter concerning fees and payments
Mar 8, 2023
Notice of appeal
Feb 9, 2023
Advice of delivery
Feb 9, 2023
Annex to the communication - opposition
Feb 9, 2023
Decision rejecting the opposition
Feb 9, 2023
Decision rejecting the opposition
Feb 9, 2023
Grounds for the decision (Annex) - opposition
Feb 9, 2023
Means of redress
Feb 9, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 9, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 9, 2023
Provision of a copy of the minutes - opposition procedure
Feb 9, 2023
Provision of a copy of the minutes - opposition procedure
Feb 9, 2023
Transmittal of decision / summons - opposition
Feb 9, 2023
Transmittal of decision / summons - opposition
Mar 9, 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
Letter accompanying subsequently filed items
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 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 25, 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 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
Apr 28, 2020
Brief communication - Opposition proceedings
Apr 22, 2020
Reply from the opponent to submission of proprietor
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
Letter regarding the opposition procedure (no time limit)
Apr 10, 2019
Brief communication - Opposition proceedings
Apr 4, 2019
(Electronic) Receipt
Apr 4, 2019
Letter accompanying subsequently filed items
Apr 4, 2019
Non-patent literature cited during the opposition procedure
Apr 4, 2019
Non-patent literature cited during the opposition procedure
Apr 4, 2019
Non-patent literature cited during the opposition procedure
Apr 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 4, 2018
Communication of a notice of opposition and request to file observations
Dec 4, 2018
Notice of further oppositions to opponent(s)
Nov 30, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
Any annexes (other than citation) to an opposition letter
Nov 23, 2018
Letter regarding the opposition procedure (no time limit)
Nov 23, 2018
Letter regarding the opposition procedure (no time limit)
Sep 26, 2018
Request for the date of publication in citations
Sep 10, 2018
Communication of a notice of opposition - first information to patent proprietor
Sep 5, 2018
(Electronic) Receipt
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Non-patent literature cited during the opposition procedure
Sep 5, 2018
Notice of opposition
Sep 5, 2018
Notice of opposition
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Sep 5, 2018
Patent document cited during the opposition procedure
Dec 21, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 16, 2017
Decision to grant a European patent
Oct 27, 2017
(Electronic) Receipt
Oct 27, 2017
English translation of the claims
Oct 27, 2017
Filing of the translations of the claims
Oct 27, 2017
French translation of claims
Sep 7, 2017
Bibliographic data of the European patent application
Sep 7, 2017
Communication about intention to grant a European patent
Sep 7, 2017
Intention to grant (signatures)
Sep 7, 2017
Text intended for grant (clean copy)
Sep 7, 2017
Text intended for grant (version for approval)
Aug 3, 2017
Acknowledgement of receipt of third party observations
Aug 3, 2017
Transmittal of third party observations to applicant
Jul 28, 2017
Observations by third parties
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
Oct 5, 2016
Annex to the communication
Oct 5, 2016
Communication from the Examining Division
Sep 26, 2016
Examination started
Jul 18, 2016
Acknowledgement of receipt of third party observations
Jul 18, 2016
Transmittal of third party observations to applicant
Jul 11, 2016
(Electronic) Receipt
Jul 11, 2016
Letter accompanying subsequently filed items
Jul 11, 2016
Observations by third parties
Jul 11, 2016
Patent document filed by a Third party
Jul 11, 2016
Patent document filed by a Third party
Jul 11, 2016
Patent document filed by a Third party
Jul 11, 2016
Patent document filed by a Third party
Jul 11, 2016
Patent document filed by a Third party
Jul 11, 2016
Patent document filed by a Third party
Jun 7, 2016
(Electronic) Receipt
Jun 7, 2016
Amended claims filed after receipt of (European) search report
Jun 7, 2016
Amended claims with annotations
Jun 7, 2016
Amendments received before examination
Jun 7, 2016
Letter accompanying subsequently filed items
Jan 11, 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 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

EP2937594

STEINEL NORMALIEN

Application Number: EP15161829A
Filing Date: Mar 31, 2015
Status: Revoked; Aug 8, 2025
Publication Date: Dec 13, 2017
External Links: Slate, Register , Google Patents

IP Verse

Gas Compression Spring

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2937594