Bellows Valve

Patent No. EP2265794 (titled "Bellows Valve") was filed by Petroleum Technology on Mar 13, 2009. The application was issued on Sep 6, 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
TCO	Jun 6, 2024	DRAGSTED PARTNERS

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 21, 2026
Annex to the communication - opposition
Jan 21, 2026
Brief communication - Opposition proceedings
Jan 21, 2026
Decision of the Opposition Division and instruction
Jan 21, 2026
Druckexemplar in opposition procedure
Jan 21, 2026
Grounds for the decision (Annex) - opposition
Jan 21, 2026
Interlocutory decision in opposition proceedings
Jan 21, 2026
Means of redress
Jan 21, 2026
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 21, 2026
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 21, 2026
Provision of a copy of the minutes - opposition procedure
Jan 21, 2026
Scanned annex to a communication - opposition procedure
Jan 8, 2026
Information about the result of oral proceedings
Nov 6, 2025
(Electronic) Receipt
Nov 6, 2025
Auxiliary request during Opposition procedure
Nov 6, 2025
Auxiliary request during Opposition procedure - 04
Nov 6, 2025
Letter accompanying subsequently filed items
Nov 6, 2025
Written submission in preparation to/during oral proceedings
Nov 6, 2025
Written submission in preparation to/during oral proceedings
Jun 24, 2025
Brief communication - Opposition proceedings
Jun 3, 2025
Brief communication - Opposition proceedings
Jun 3, 2025
Brief communication - Opposition proceedings
May 28, 2025
(Electronic) Receipt
May 28, 2025
Letter accompanying subsequently filed items
May 28, 2025
Withdrawal of an opposition
May 14, 2025
Brief communication - Opposition proceedings
May 9, 2025
(Electronic) Receipt
May 9, 2025
Letter accompanying subsequently filed items
May 9, 2025
Written submission in preparation to/during oral proceedings
Feb 20, 2025
Brief communication - Opposition proceedings
Feb 18, 2025
Annex to the communication - opposition
Feb 18, 2025
Information concerning oral proceedings
Feb 18, 2025
Scanned annex to a communication - opposition procedure
Feb 18, 2025
Summons to attend oral proceedings
Feb 18, 2025
Summons to attend oral proceedings
Feb 14, 2025
(Electronic) Receipt
Feb 14, 2025
Letter accompanying subsequently filed items
Feb 14, 2025
Letter regarding the opposition procedure (no time limit)
Jan 24, 2025
Consolidated list of cited opposition documents
Oct 30, 2024
Brief communication - Opposition proceedings
Oct 25, 2024
(Electronic) Receipt
Oct 25, 2024
Auxiliary request during Opposition procedure
Oct 25, 2024
Auxiliary request during Opposition procedure
Oct 25, 2024
Auxiliary request during Opposition procedure
Oct 25, 2024
Auxiliary request during Opposition procedure - 01
Oct 25, 2024
Auxiliary request during Opposition procedure - 02
Oct 25, 2024
Auxiliary request during Opposition procedure - 03
Oct 25, 2024
Letter accompanying subsequently filed items
Oct 25, 2024
Reply of the patent proprietor to the notice(s) of opposition
Jun 27, 2024
Notice of further oppositions to opponent(s)
Jun 25, 2024
Communication of a notice of opposition and request to file observations
Jun 25, 2024
Notice of further oppositions to opponent(s)
Jun 19, 2024
Brief communication - Opposition proceedings
Jun 17, 2024
Communication indicating deficiencies in the notice of opposition which may be remedied
Jun 14, 2024
(Electronic) Receipt
Jun 14, 2024
Any annexes (other than citation) to an opposition letter
Jun 14, 2024
Letter accompanying subsequently filed items
Jun 12, 2024
Communication of a notice of opposition - first information to patent proprietor
Jun 6, 2024
(Electronic) Receipt
Jun 6, 2024
Citation in opposition procedure - 001
Jun 6, 2024
Citation in opposition procedure - 002
Jun 6, 2024
Citation in opposition procedure - 003
Jun 6, 2024
Citation in opposition procedure - 004
Jun 6, 2024
Citation in opposition procedure - 005
Jun 6, 2024
Citation in opposition procedure - 006
Jun 6, 2024
Citation in opposition procedure - 007
Jun 6, 2024
Citation in opposition procedure - 008
Jun 6, 2024
Citation in opposition procedure - 009
Jun 6, 2024
Citation in opposition procedure - 010
Jun 6, 2024
Citation in opposition procedure - 011
Jun 6, 2024
Citation in opposition procedure - 012
Jun 6, 2024
Citation in opposition procedure - 013
Jun 6, 2024
Citation in opposition procedure - 014
Jun 6, 2024
Citation in opposition procedure - 015
Jun 6, 2024
Letter accompanying subsequently filed items
Jun 6, 2024
Notice of opposition
Sep 19, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 10, 2023
Decision to grant a European patent
Aug 1, 2023
(Electronic) Receipt
Aug 1, 2023
Filing of the translations of the claims
Aug 1, 2023
French translation of claims
Aug 1, 2023
German translation of the claims
Aug 1, 2023
Letter accompanying subsequently filed items
Jun 16, 2023
Annex to the communication about intention to grant a European patent
Jun 16, 2023
Bibliographic data of the European patent application
Jun 16, 2023
Communication about intention to grant a European patent
Jun 16, 2023
Intention to grant (signatures)
Jun 16, 2023
Text intended for grant (clean copy)
Jun 16, 2023
Text intended for grant (version for approval)
Jun 12, 2023
Annex to the communication
Jun 12, 2023
Minutes of the oral proceedings (examining division)
Jun 12, 2023
Minutes of the oral proceedings (examining division)
Jun 12, 2023
Provision of a copy of the minutes of oral proceedings
May 12, 2023
(Electronic) Receipt
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Amended claims with annotations
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Claims
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Written submission in preparation to/during oral proceedings
May 2, 2023
Annex to the communication
May 2, 2023
Consultation by telephone/in person
May 2, 2023
Notification concerning the date of oral proceedings
May 2, 2023
Result of consultation by telephone/in person
Apr 26, 2023
(Electronic) Receipt
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended claims with annotations
Apr 26, 2023
Amended description with annotations
Apr 26, 2023
Amended description with annotations
Apr 26, 2023
Amended description with annotations
Apr 26, 2023
Amended description with annotations
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Claims
Apr 26, 2023
Description
Apr 26, 2023
Description
Apr 26, 2023
Description
Apr 26, 2023
Description
Apr 26, 2023
Letter accompanying subsequently filed items
Apr 26, 2023
Oral proceedings: reply to date proposed
Apr 26, 2023
Written submission in preparation to/during oral proceedings
Nov 18, 2022
Annex to the communication
Nov 18, 2022
Summons to attend oral proceedings
Oct 11, 2022
(Electronic) Receipt
Oct 11, 2022
Letter accompanying subsequently filed items
Oct 11, 2022
Reply to communication from the Examining Division
Jun 22, 2022
Annex to the communication
Jun 22, 2022
Communication from the Examining Division
Apr 25, 2022
Document concerning representation
Apr 25, 2022
Letter accompanying subsequently filed items
Jun 7, 2021
Annexes in respect of a client data request
Jun 7, 2021
Annexes in respect of a client data request
Aug 6, 2020
(Electronic) Receipt
Aug 6, 2020
Amended claims with annotations
Aug 6, 2020
Amended description with annotations
Aug 6, 2020
Claims
Aug 6, 2020
Description
Aug 6, 2020
Letter accompanying subsequently filed items
Aug 6, 2020
Reply to communication from the Examining Division
Apr 2, 2020
Annex to the communication
Apr 2, 2020
Consultation by telephone/in person (with time limit)
Apr 2, 2020
Result of consultation by telephone/in person
Nov 18, 2019
Submission concerning representation
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Amended claims with annotations
Jan 9, 2019
Claims
Jan 9, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Reply to communication from the Examining Division
Aug 30, 2018
Annex to the communication
Aug 30, 2018
Communication from the Examining Division
Sep 2, 2016
(Electronic) Receipt
Sep 2, 2016
Amended claims with annotations
Sep 2, 2016
Claims
Sep 2, 2016
Letter accompanying subsequently filed items
Sep 2, 2016
Reply to communication from the Examining Division
Apr 25, 2016
Annex to the communication
Apr 25, 2016
Communication from the Examining Division
Mar 21, 2016
Confirmation of revocation of automatic debit order
Mar 18, 2016
Communication of amended entries concerning the representative
Mar 10, 2016
Submission concerning change of applicant's representative
Mar 8, 2016
Submission concerning change of applicant's representative
Mar 8, 2016
Submission concerning change of applicant's representative
Apr 2, 2012
CDS Clean up - amended data concerning the representative of the applicant (Association)
Mar 27, 2012
Submission concerning representation
Jan 20, 2011
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jan 11, 2011
Submission concerning representation
Dec 3, 2010
(Electronic) Receipt
Dec 3, 2010
Amended claims filed after receipt of (European) search report
Dec 3, 2010
Amended claims with annotations
Dec 3, 2010
Amendments received before examination
Dec 3, 2010
Letter accompanying subsequently filed items
Dec 1, 2010
Notification on forthcoming publication of bibliographic data
Nov 2, 2010
Communication concerning correction of deficiences in Written Opinion/amendment of application/payment of claims fee
Oct 6, 2010
(Electronic) Receipt
Oct 6, 2010
Annexes to the international preliminary examination report
Oct 6, 2010
Copy of the international preliminary examination report
Oct 6, 2010
Request for entry into the European phase
Aug 31, 2010
Annex to International preliminary examination report
Aug 31, 2010
International preliminary examination report
Aug 31, 2010
International preliminary examination report
Aug 31, 2010
International preliminary examination report - free text sheet
Aug 31, 2010
International preliminary examination report - free text sheet
Aug 31, 2010
International preliminary examination report - points I-VIII
Aug 31, 2010
International preliminary examination report - points I-VIII
Aug 31, 2010
Notification of documents sent to WIPO
Aug 31, 2010
Transmittal of International Preliminary Examination Report
Jul 21, 2010
Information on entry into European phase
Jun 30, 2010
Notification of election of EPO
Jun 24, 2010
Amendments of documents (Article 19 PCT) (without attachments)
Jun 21, 2010
Letter regarding PCTII procedure
Jun 21, 2010
PCT(IPEA): Amended sheet - claims
Jun 14, 2010
PCT(IPEA): Amended sheet - claims
May 26, 2010
Invitation to submit amendments (PCT)
May 26, 2010
Notification of documents sent to WIPO
May 26, 2010
Notification of receipt of demand
May 4, 2010
PCT demand form
Apr 28, 2010
Document concerning fees and payments
Mar 18, 2010
Copy of the international search report
Mar 18, 2010
International publication of the international search report
Jan 28, 2010
Written opinion of the ISA, boxes No. I to VIII
Jan 28, 2010
Written opinion of the ISA, cover sheet
Jan 28, 2010
Written opinion of the ISA, supplemental box
Oct 7, 2009
Priority document (electronically transmitted)
Sep 17, 2009
Published international application - A2
Apr 7, 2009
Abstract
Apr 7, 2009
Claims
Apr 7, 2009
Description
Apr 7, 2009
Drawings
Apr 7, 2009
Submission concerning representation

EP2265794

PETROLEUM TECHNOLOGY

Application Number: EP09720386A
Filing Date: Mar 13, 2009
Status: Granted And Under Opposition; Aug 4, 2023
Publication Date: Sep 6, 2023
External Links: Slate, Register , Google Patents

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EP2265794