Directional Poppet Valve

Patent No. EP2795137 (titled "Directional Poppet Valve") was filed by Hydac Fluidtechnik GmbH on Nov 21, 2012. The application was issued on Apr 10, 2019.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
HAPPOLD, JOACHIM	Dec 2, 2019	DTS PATENT UND RECHTSANWALTE PARTMBB

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

May 9, 2023
Refund of fees
May 4, 2023
Termination of the opposition proceedings with maintenance of patent
May 2, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
May 2, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
May 2, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
May 2, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Apr 28, 2023
Advice of delivery
Apr 28, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 27, 2023
Withdrawal of an appeal
Apr 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 13, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 5, 2023
F3345 Forwarding of submissions to parties
Apr 3, 2023
(Electronic) Receipt
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 3, 2023
F3345 Forwarding of submissions to parties
Dec 7, 2022
Request concerning representative opponent
May 6, 2022
Advice of delivery
May 4, 2022
F3011.1 Oral Proceedings: summons
May 4, 2022
F3011.1 Oral Proceedings: summons
May 4, 2022
Standard Communication Rule 103 (2) EPC
May 4, 2022
Standard Communication Rule 103 (2) EPC
Apr 29, 2022
F3010 Oral proceedings: order for summons
Feb 1, 2022
Communication of amended entries in the Register of European Patents
Feb 1, 2022
Communication of amended entries in the Register of European Patents
Feb 1, 2022
F3345 Forwarding of submissions to parties
Jan 18, 2022
Annexes in respect of a client data request
Jan 18, 2022
Request for change of opponent's representative
Jan 11, 2022
Composition of the board (T)
Jan 7, 2022
Annexes in respect of a client data request
Jan 7, 2022
Request for change of opponent's representative
Dec 22, 2021
F3345 Forwarding of submissions to parties
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Reply to appeal
Aug 12, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 6, 2021
(Electronic) Receipt
Aug 6, 2021
Letter accompanying subsequently filed items
Aug 6, 2021
Patent Document cited during the appeal procedure
Aug 6, 2021
Statement of grounds of appeal
Jun 14, 2021
F3204 Communication of the file number to the parties
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
Declaration for the purpose of the reduction of the fee for appeal
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Notice of appeal
Apr 19, 2021
Advice of delivery
Apr 15, 2021
Advice of delivery
Apr 14, 2021
Decision rejecting the opposition
Apr 14, 2021
Grounds for the decision (Annex) - opposition
Apr 14, 2021
Internal form - Opposition/addressees
Apr 14, 2021
Means of redress
Apr 14, 2021
Transmittal of decision / summons - opposition
Apr 14, 2021
Transmittal of decision / summons - opposition
Apr 7, 2021
Decision of the Opposition Division and instruction
Mar 24, 2021
(Electronic) Receipt
Mar 24, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
Written submission in preparation to/during oral proceedings
Mar 16, 2021
(Electronic) Receipt
Mar 16, 2021
Letter accompanying subsequently filed items
Mar 16, 2021
Notification concerning the date of oral proceedings
Mar 15, 2021
Notification concerning the date of oral proceedings
Mar 15, 2021
Notification concerning the date of oral proceedings
Mar 1, 2021
Brief communication - Opposition proceedings
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Written submission in preparation to/during oral proceedings
Feb 5, 2021
Brief communication - Opposition proceedings
Feb 4, 2021
Notification concerning the date of oral proceedings
Feb 4, 2021
Notification concerning the date of oral proceedings
Jan 21, 2021
(Electronic) Receipt
Jan 21, 2021
Letter accompanying subsequently filed items
Jan 21, 2021
Written submission in preparation to/during oral proceedings
Sep 16, 2020
Advice of delivery
Sep 15, 2020
Advice of delivery
Sep 11, 2020
Acknowledgement of a document
Sep 11, 2020
Acknowledgement of a document
Sep 11, 2020
Annex to the communication - opposition
Sep 11, 2020
Information concerning oral proceedings
Sep 11, 2020
Summons to attend oral proceedings
Sep 11, 2020
Summons to attend oral proceedings
Jun 2, 2020
Brief communication - Opposition proceedings
May 27, 2020
Reply of the patent proprietor to the notice(s) of opposition
May 26, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 24, 2020
Communication of a notice of opposition and request to file observations
Jan 24, 2020
Notice of further oppositions to opponent(s)
Jan 10, 2020
Brief communication - Opposition proceedings
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Letter regarding the opposition procedure (no time limit)
Dec 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Dec 13, 2019
Request for the date of publication in citations
Dec 2, 2019
(Electronic) Receipt
Dec 2, 2019
Any annexes (other than citation) to an opposition letter
Dec 2, 2019
Citation in opposition procedure - 001
Dec 2, 2019
Citation in opposition procedure - 002
Dec 2, 2019
Citation in opposition procedure - 002
Dec 2, 2019
Citation in opposition procedure - 003
Dec 2, 2019
Citation in opposition procedure - 004
Dec 2, 2019
Citation in opposition procedure - 005
Dec 2, 2019
Citation in opposition procedure - 006
Dec 2, 2019
Citation in opposition procedure - 007
Dec 2, 2019
Citation in opposition procedure - 008
Dec 2, 2019
Consolidated list of cited opposition documents
Dec 2, 2019
Notice of opposition
Dec 2, 2019
Notice of opposition
Apr 24, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 14, 2019
Decision to grant a European patent
Feb 22, 2019
English translation of the claims
Feb 22, 2019
Filing of the translations of the claims
Feb 22, 2019
French translation of claims
Nov 27, 2018
Bibliographic data of the European patent application
Nov 27, 2018
Communication about intention to grant a European patent
Nov 27, 2018
Intention to grant (signatures)
Nov 27, 2018
Text intended for grant (clean copy)
Nov 27, 2018
Text intended for grant (version for approval)
Oct 16, 2018
(Electronic) Receipt
Oct 16, 2018
Amended claims with annotations
Oct 16, 2018
Amended description with annotations
Oct 16, 2018
Claims
Oct 16, 2018
Description
Oct 16, 2018
Letter accompanying subsequently filed items
Oct 16, 2018
Reply to communication from the Examining Division
Jul 2, 2018
Annex to the communication
Jul 2, 2018
Communication from the Examining Division
Jun 26, 2018
Examination started
Feb 15, 2018
Notification regarding date of start of examination with possibility to withdraw
Jan 17, 2018
Communication of amended entries concerning the representative
Jan 11, 2018
Submission concerning change of applicant's representative
Jan 11, 2018
Submission concerning representation
Feb 2, 2017
Letter relating to the automatic debiting procedure
Feb 2, 2017
Letter relating to the automatic debiting procedure
Oct 27, 2016
Payment of fees and costs
Oct 28, 2015
Payment of fees and costs
Feb 6, 2015
Abstract
Feb 6, 2015
Abstract
Feb 6, 2015
Amended claims filed after receipt of (European) search report
Feb 6, 2015
Amended claims with annotations
Feb 6, 2015
Amended description filed after receipt of (European) search report
Feb 6, 2015
Amended description with annotations
Feb 6, 2015
Amendments received before examination
Feb 4, 2015
Abstract
Feb 4, 2015
Abstract
Feb 4, 2015
Amended claims filed after receipt of (European) search report
Feb 4, 2015
Amended claims with annotations
Feb 4, 2015
Amended description filed after receipt of (European) search report
Feb 4, 2015
Amended description with annotations
Feb 4, 2015
Amendments received before examination
Oct 28, 2014
Payment of fees and costs
Oct 1, 2014
Notification on forthcoming publication of bibliographic data
Jul 30, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 28, 2014
Communication to designated inventor
Jul 28, 2014
Communication to designated inventor
Jul 7, 2014
Copy of the international preliminary report on patentability
May 27, 2014
Annex
May 27, 2014
Document related to search matters
May 27, 2014
Document related to search matters
May 27, 2014
Document related to search matters
May 27, 2014
Payment of fees and costs
May 27, 2014
Priority search results
May 27, 2014
Request for entry into the European phase
May 6, 2014
Information on entry into European phase
Jul 17, 2013
Priority document (electronically transmitted)
Jun 27, 2013
Copy of the international search report
Jun 27, 2013
Copy of the international search report
Jun 27, 2013
Published international application - A1
Apr 23, 2013
Written opinion of the ISA, boxes No. I to VIII
Apr 23, 2013
Written opinion of the ISA, cover sheet
Apr 23, 2013
Written opinion of the ISA, supplemental box
Nov 21, 2012
Abstract
Nov 21, 2012
Claims
Nov 21, 2012
Description
Nov 21, 2012
Drawings
Nov 21, 2012
Payment of fees and costs

EP2795137

HYDAC FLUIDTECHNIK GMBH

Application Number: EP12794198A
Filing Date: Nov 21, 2012
Status: Opposition Rejected; May 5, 2023
Publication Date: Apr 10, 2019
External Links: Slate, Register , Google Patents

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Directional Poppet Valve

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Dossier Documents

EP2795137