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IP Verse

Return Valve - EP3067604

The patent EP3067604 was granted to Hydac Fluidtechnik on Apr 4, 2018. The application was filed on Jan 16, 2016 under application number EP16000101A. The patent is currently recorded with a legal status of "Revoked".

EP3067604

HYDAC FLUIDTECHNIK

Application Number: EP16000101A
Filing Date: Jan 16, 2016
Status: Revoked; Feb 25, 2022
Publication Date: Apr 4, 2018
External Links: Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Oppositions

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	Opposition Status
HAWE HYDRAULIK	Nov 5, 2018	WITTMER	-

Patent Citations (7) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	DE3001458
DESCRIPTION	WO2005098284
SEARCH	DE102008062301
SEARCH	DE102012014250
SEARCH	DE3001458
SEARCH	EP2151671
SEARCH	US2013289940

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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Feb 28, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
OPPO
Feb 28, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
OPPO
Feb 23, 2022
Termination of the opposition proceedings with revocation of patent
OPPO
Nov 16, 2021
Advice of delivery
OPPO
Nov 16, 2021
Advice of delivery
OPPO
Nov 10, 2021
Annex to the communication - opposition
OPPO
Nov 10, 2021
Decision of the Opposition Division and instruction
OPPO
Nov 10, 2021
Decision revoking the European patent
OPPO
Nov 10, 2021
Decision revoking the European patent
OPPO
Nov 10, 2021
Grounds for the decision (Annex) - opposition
OPPO
Nov 10, 2021
Means of redress
OPPO
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
Nov 10, 2021
Provision of a copy of the minutes - opposition procedure
OPPO
Nov 10, 2021
Provision of a copy of the minutes - opposition procedure
OPPO
Nov 10, 2021
Transmittal of decision / summons - opposition
OPPO
Nov 10, 2021
Transmittal of decision / summons - opposition
OPPO
Oct 22, 2021
Notification concerning the date of oral proceedings
OPPO
Oct 22, 2021
Notification concerning the date of oral proceedings
OPPO
Oct 21, 2021
Brief communication - Opposition proceedings
OPPO
Oct 21, 2021
Information about the result of oral proceedings
OPPO
Oct 20, 2021
Notification concerning the date of oral proceedings
OPPO
Oct 20, 2021
Notification concerning the date of oral proceedings
OPPO
Oct 18, 2021
(Electronic) Receipt
OPPO
Oct 18, 2021
Letter accompanying subsequently filed items
OPPO
Oct 18, 2021
Written submission in preparation to/during oral proceedings
OPPO
Oct 11, 2021
Brief communication - Opposition proceedings
OPPO
Oct 4, 2021
(Electronic) Receipt
OPPO
Oct 4, 2021
Letter accompanying subsequently filed items
OPPO
Oct 4, 2021
Written submission in preparation to/during oral proceedings
OPPO
Jul 6, 2021
Brief communication - Opposition proceedings
OPPO
Jun 30, 2021
(Electronic) Receipt
OPPO
Jun 30, 2021
Letter accompanying subsequently filed items
OPPO
Jun 30, 2021
Written submission in preparation to/during oral proceedings
OPPO
Jun 28, 2021
Brief communication - Opposition proceedings
OPPO
Jun 21, 2021
Written submission in preparation to/during oral proceedings
OPPO
Jun 10, 2021
Notification concerning the date of oral proceedings
OPPO
Jun 10, 2021
Notification concerning the date of oral proceedings
OPPO
Feb 12, 2021
Brief communication - Opposition proceedings
OPPO
Jan 29, 2021
(Electronic) Receipt
OPPO
Jan 29, 2021
Letter accompanying subsequently filed items
OPPO
Jan 29, 2021
Request for interpreters during oral proceedings
OPPO
Dec 1, 2020
Advice of delivery
OPPO
Nov 30, 2020
Advice of delivery
OPPO
Nov 26, 2020
Acknowledgement of a document
OPPO
Nov 26, 2020
Acknowledgement of a document
OPPO
Nov 26, 2020
Information concerning oral proceedings
OPPO
Nov 26, 2020
Notification concerning the date of oral proceedings
OPPO
Nov 26, 2020
Notification concerning the date of oral proceedings
OPPO
Nov 26, 2020
Summons to attend oral proceedings
OPPO
Nov 26, 2020
Summons to attend oral proceedings
OPPO
Nov 4, 2020
Brief communication - Opposition proceedings
OPPO
Oct 26, 2020
Any annexes (other than citation) to an opposition letter
OPPO
Oct 26, 2020
Oral proceedings: Request for postponement
OPPO
Oct 23, 2020
Advice of delivery
OPPO
Oct 22, 2020
Advice of delivery
OPPO
Oct 21, 2020
Advice of delivery
OPPO
Oct 19, 2020
Acknowledgement of a document
OPPO
Oct 19, 2020
Acknowledgement of a document
OPPO
Oct 19, 2020
Annex to the communication - opposition
OPPO
Oct 19, 2020
Information concerning oral proceedings
OPPO
Oct 19, 2020
Summons to attend oral proceedings
OPPO
Oct 19, 2020
Summons to attend oral proceedings
OPPO
Sep 15, 2020
Brief communication - Opposition proceedings
OPPO
Sep 15, 2020
Notification concerning the date of oral proceedings
OPPO
Sep 15, 2020
Notification concerning the date of oral proceedings
OPPO
Sep 7, 2020
(Electronic) Receipt
OPPO
Sep 7, 2020
Letter accompanying subsequently filed items
OPPO
Sep 7, 2020
Patent document cited during the opposition procedure
OPPO
Sep 7, 2020
Written submission in preparation to/during oral proceedings
OPPO
Aug 4, 2020
(Electronic) Receipt
OPPO
Aug 4, 2020
Letter accompanying subsequently filed items
OPPO
Aug 4, 2020
Oral proceedings: reply to date proposed
OPPO
Jul 28, 2020
Notification concerning the date of oral proceedings
OPPO
Jul 28, 2020
Notification concerning the date of oral proceedings
OPPO
Jul 7, 2020
Brief communication - Opposition proceedings
OPPO
Jun 30, 2020
(Electronic) Receipt
OPPO
Jun 30, 2020
Amended claims with annotations
OPPO
Jun 30, 2020
Amended description with annotations
OPPO
Jun 30, 2020
Any annexes (other than citation) to an opposition letter
OPPO
Jun 30, 2020
Claims
OPPO
Jun 30, 2020
Description
OPPO
Jun 30, 2020
Letter accompanying subsequently filed items
OPPO
Jun 30, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jun 17, 2020
Advice of delivery
OPPO
Jun 12, 2020
Communication about missing advice of delivery
OPPO
May 14, 2020
Acknowledgement of a document
OPPO
May 7, 2020
Advice of delivery
OPPO
May 4, 2020
Acknowledgement of a document
OPPO
May 4, 2020
Acknowledgement of a document
OPPO
May 4, 2020
Annex to the communication - opposition
OPPO
May 4, 2020
Information concerning oral proceedings
OPPO
May 4, 2020
Summons to attend oral proceedings
OPPO
May 4, 2020
Summons to attend oral proceedings
OPPO
Feb 25, 2020
Brief communication - Opposition proceedings
OPPO
Feb 18, 2020
Brief communication - Opposition proceedings
OPPO
Feb 14, 2020
Request for interpreters during oral proceedings
OPPO
Feb 11, 2020
(Electronic) Receipt
OPPO
Feb 11, 2020
Amended claims with annotations
OPPO
Feb 11, 2020
Amended description with annotations
OPPO
Feb 11, 2020
Any annexes (other than citation) to an opposition letter
OPPO
Feb 11, 2020
Claims
OPPO
Feb 11, 2020
Description
OPPO
Feb 11, 2020
Letter accompanying subsequently filed items
OPPO
Feb 11, 2020
Written submission in preparation to/during oral proceedings
OPPO
Oct 29, 2019
Advice of delivery
OPPO
Oct 1, 2019
Advice of delivery
OPPO
Oct 1, 2019
Advice of delivery
OPPO
Sep 30, 2019
Advice of delivery
OPPO
Sep 25, 2019
Acknowledgement of a document
OPPO
Sep 25, 2019
Acknowledgement of a document
OPPO
Sep 25, 2019
Annex to the communication - opposition
OPPO
Sep 25, 2019
Information concerning oral proceedings
OPPO
Sep 25, 2019
Summons to attend oral proceedings
OPPO
Sep 25, 2019
Summons to attend oral proceedings
OPPO
Aug 28, 2019
Brief communication - Opposition proceedings
OPPO
Aug 20, 2019
Letter regarding the opposition procedure (no time limit)
OPPO
May 22, 2019
Brief communication - Opposition proceedings
OPPO
May 15, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Jan 18, 2019
Communication of a notice of opposition and request to file observations
OPPO
Jan 18, 2019
Notice of further oppositions to opponent(s)
OPPO
Nov 15, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Nov 5, 2018
(Electronic) Receipt
OPPO
Nov 5, 2018
Any annexes (other than citation) to an opposition letter
OPPO
Nov 5, 2018
Non-patent literature cited during the opposition procedure
OPPO
Nov 5, 2018
Notice of opposition
OPPO
Nov 5, 2018
Notice of opposition
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Nov 5, 2018
Patent document cited during the opposition procedure
OPPO
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Mar 8, 2018
Decision to grant a European patent
Search/Exam
Feb 21, 2018
English translation of the claims
Search/Exam
Feb 21, 2018
Filing of the translations of the claims
Search/Exam
Feb 21, 2018
French translation of claims
Search/Exam
Feb 21, 2018
Letter concerning fees and payments
Search/Exam
Jan 11, 2018
Submission concerning representation
Search/Exam
Nov 20, 2017
Bibliographic data of the European patent application
Search/Exam
Nov 20, 2017
Communication about intention to grant a European patent
Search/Exam
Nov 20, 2017
Intention to grant (signatures)
Search/Exam
Nov 20, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 20, 2017
Text intended for grant (version for approval)
Search/Exam
Sep 20, 2017
(Electronic) Receipt
Search/Exam
Sep 20, 2017
Amended claims with annotations
Search/Exam
Sep 20, 2017
Amended description with annotations
Search/Exam
Sep 20, 2017
Claims
Search/Exam
Sep 20, 2017
Description
Search/Exam
Sep 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2017
Reply to communication from the Examining Division
Search/Exam
May 26, 2017
Annex to the communication
Search/Exam
May 26, 2017
Communication from the Examining Division
Search/Exam
May 16, 2017
Examination started
Search/Exam
Mar 14, 2017
Amended claims filed after receipt of (European) search report
Search/Exam
Mar 14, 2017
Amended claims with annotations
Search/Exam
Mar 14, 2017
Amended description filed after receipt of (European) search report
Search/Exam
Mar 14, 2017
Amended description with annotations
Search/Exam
Mar 14, 2017
Amendments received before examination
Search/Exam
Mar 13, 2017
Amended claims filed after receipt of (European) search report
Search/Exam
Mar 13, 2017
Amended claims with annotations
Search/Exam
Mar 13, 2017
Amended description filed after receipt of (European) search report
Search/Exam
Mar 13, 2017
Amended description with annotations
Search/Exam
Mar 13, 2017
Amendments received before examination
Search/Exam
Feb 2, 2017
Letter relating to the automatic debiting procedure
Search/Exam
Feb 2, 2017
Letter relating to the automatic debiting procedure
Search/Exam
Sep 19, 2016
Information about publication, reminder payment of designation fee, response to extended European search report, if applicable
Search/Exam
Sep 6, 2016
Letter concerning fees and payments
Search/Exam
Sep 6, 2016
Payment of fees and costs
Search/Exam
Aug 18, 2016
Notification of forthcoming publication
Search/Exam
Jul 29, 2016
Communication regarding the transmission of the European search report
Search/Exam
Jul 29, 2016
European search opinion
Search/Exam
Jul 29, 2016
European search report
Search/Exam
Jul 29, 2016
Information on Search Strategy
Search/Exam
Jul 22, 2016
Modified abstract
Search/Exam
Jul 15, 2016
Search started
Search/Exam
Mar 11, 2016
Communication to designated inventor
Search/Exam
Mar 11, 2016
Communication to designated inventor
Search/Exam
Feb 4, 2016
Authorisation
Search/Exam
Feb 4, 2016
Letter concerning the priority
Search/Exam
Feb 4, 2016
Priority document
Search/Exam
Jan 16, 2016
Abstract
Search/Exam
Jan 16, 2016
Claims
Search/Exam
Jan 16, 2016
Description
Search/Exam
Jan 16, 2016
Designation of inventor
Search/Exam
Jan 16, 2016
Drawings
Search/Exam
Jan 16, 2016
Payment of fees and costs
Search/Exam
Jan 16, 2016
Priority search results
Search/Exam
Jan 16, 2016
Request for grant of a European patent
Search/Exam