Method For Calibrating A Membrane Vacuum Pump And Membrane Vacuum Pump

Patent No. EP2889481 (titled "Method For Calibrating A Membrane Vacuum Pump And Membrane Vacuum Pump") was filed by Pfeiffer Vacuum on Nov 6, 2014. The application was issued on Oct 26, 2022.

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
KNF NEUBERGER	Jan 2, 2019	MAUCHER JENKINS PATENT UND RECHTSANWALTE

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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Sep 29, 2022
Decision to maintain the European patent in amended form
Sep 29, 2022
Decision to maintain the European patent in amended form
Sep 23, 2022
Termination of the opposition proceedings with maintenance of patent
Sep 15, 2022
(Electronic) Receipt
Sep 15, 2022
English translation of the claims
Sep 15, 2022
Filing of the translation of the amended claims
Sep 15, 2022
French translation of claims
Sep 15, 2022
Letter accompanying subsequently filed items
Aug 2, 2022
Communication of bibliographic data
Aug 2, 2022
Communication to opponent concerning maintenance
Aug 2, 2022
Communication with request to file translations
Jul 25, 2022
Maintenance of the patent with the documents specified in the final decision
May 16, 2022
Advice of delivery
May 12, 2022
Communication about missing advice of delivery
May 5, 2022
Advice of delivery
Apr 5, 2022
Advice of delivery
Apr 4, 2022
Annex to the communication - opposition
Apr 4, 2022
Decision of the Opposition Division and instruction
Apr 4, 2022
Druckexemplar in opposition procedure
Apr 4, 2022
Grounds for the decision (Annex) - opposition
Apr 4, 2022
Interlocutory decision in opposition proceedings
Apr 4, 2022
Interlocutory decision in opposition proceedings
Apr 4, 2022
Means of redress
Apr 4, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 4, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 4, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 4, 2022
Provision of a copy of the minutes - opposition procedure
Apr 4, 2022
Provision of a copy of the minutes - opposition procedure
Apr 4, 2022
Scanned annex to a communication - opposition procedure
Apr 4, 2022
Scanned annex to a communication - opposition procedure
Apr 4, 2022
Transmittal of decision / summons - opposition
Apr 4, 2022
Transmittal of decision / summons - opposition
Feb 9, 2022
Auxiliary request during Opposition procedure
Feb 9, 2022
Auxiliary request during Opposition procedure - 02
Feb 9, 2022
Information about the result of oral proceedings
Feb 9, 2022
Written submission in preparation to/during oral proceedings
Feb 4, 2022
(Electronic) Receipt
Feb 4, 2022
Auxiliary request during Opposition procedure
Feb 4, 2022
Auxiliary request during Opposition procedure - 02
Feb 4, 2022
Letter accompanying subsequently filed items
Feb 4, 2022
Written submission in preparation to/during oral proceedings
Feb 1, 2022
Annex to the communication - opposition
Feb 1, 2022
Brief communication - Opposition proceedings
Feb 1, 2022
Brief communication - Opposition proceedings
Jan 7, 2022
(Electronic) Receipt
Jan 7, 2022
Letter accompanying subsequently filed items
Jan 6, 2022
(Electronic) Receipt
Jan 6, 2022
Letter accompanying subsequently filed items
Dec 22, 2021
Brief communication - Opposition proceedings
Dec 16, 2021
(Electronic) Receipt
Dec 16, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
Citation in opposition procedure - 009
Dec 9, 2021
Citation in opposition procedure - 010
Dec 9, 2021
Citation in opposition procedure - 011
Dec 9, 2021
Citation in opposition procedure - 011
Dec 9, 2021
Citation in opposition procedure - 011
Dec 9, 2021
Citation in opposition procedure - 013
Dec 9, 2021
Citation in opposition procedure - 014
Dec 9, 2021
Citation in opposition procedure - 016
Dec 9, 2021
Consolidated list of cited opposition documents
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Request for interpreters during oral proceedings
Dec 9, 2021
Written submission in preparation to/during oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Dec 7, 2021
Notification concerning the date of oral proceedings
Nov 5, 2021
Brief communication - Opposition proceedings
Nov 4, 2021
Written submission in preparation to/during oral proceedings
Oct 29, 2021
(Electronic) Receipt
Oct 29, 2021
Letter accompanying subsequently filed items
Oct 29, 2021
Written submission in preparation to/during oral proceedings
Jul 20, 2021
Advice of delivery
Apr 27, 2021
Advice of delivery
Mar 26, 2021
Advice of delivery
Mar 23, 2021
Annex to the communication - opposition
Mar 23, 2021
Information concerning oral proceedings
Mar 23, 2021
Summons to attend oral proceedings
Mar 23, 2021
Summons to attend oral proceedings
Mar 23, 2021
Transmittal of decision / summons - opposition
Mar 23, 2021
Transmittal of decision / summons - opposition
Oct 5, 2020
Notification concerning the date of oral proceedings
Oct 5, 2020
Notification concerning the date of oral proceedings
Oct 1, 2020
Brief communication - Opposition proceedings
Sep 28, 2020
(Electronic) Receipt
Sep 28, 2020
Citation in opposition procedure - 007
Sep 28, 2020
Citation in opposition procedure - 008
Sep 28, 2020
Letter accompanying subsequently filed items
Sep 28, 2020
Oral proceedings: reply to date proposed
Sep 28, 2020
Written submission in preparation to/during oral proceedings
Sep 3, 2020
Brief communication - Opposition proceedings
Sep 2, 2020
Written submission in preparation to/during oral proceedings
Aug 31, 2020
(Electronic) Receipt
Aug 31, 2020
Letter accompanying subsequently filed items
Aug 31, 2020
Written submission in preparation to/during oral proceedings
Aug 20, 2020
Brief communication - Opposition proceedings
Aug 19, 2020
Oral proceedings: reply to date proposed
Aug 19, 2020
Oral proceedings: reply to date proposed
Aug 17, 2020
(Electronic) Receipt
Aug 17, 2020
(Electronic) Receipt
Aug 17, 2020
Letter accompanying subsequently filed items
Aug 17, 2020
Letter accompanying subsequently filed items
Aug 17, 2020
Oral proceedings: reply to date proposed
Aug 17, 2020
Oral proceedings: reply to date proposed
Jul 30, 2020
Information concerning oral proceedings
Jul 30, 2020
Notification concerning the date of oral proceedings
Jul 30, 2020
Notification concerning the date of oral proceedings
Feb 12, 2020
Advice of delivery
Jan 23, 2020
Advice of delivery
Jan 21, 2020
Acknowledgement of a document
Jan 21, 2020
Acknowledgement of a document
Jan 21, 2020
Annex to the communication - opposition
Jan 21, 2020
Information concerning oral proceedings
Jan 21, 2020
Summons to attend oral proceedings
Jan 21, 2020
Summons to attend oral proceedings
May 15, 2019
Brief communication - Opposition proceedings
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure
May 10, 2019
Auxiliary request during Opposition procedure - 01
May 10, 2019
Auxiliary request during Opposition procedure - 02
May 10, 2019
Auxiliary request during Opposition procedure - 03
May 10, 2019
Auxiliary request during Opposition procedure - 04
May 10, 2019
Auxiliary request during Opposition procedure - 05
May 10, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 9, 2019
(Electronic) Receipt
May 9, 2019
Auxiliary request during Opposition procedure
May 9, 2019
Auxiliary request during Opposition procedure
May 9, 2019
Auxiliary request during Opposition procedure
May 9, 2019
Auxiliary request during Opposition procedure
May 9, 2019
Auxiliary request during Opposition procedure
May 9, 2019
Auxiliary request during Opposition procedure - 01
May 9, 2019
Auxiliary request during Opposition procedure - 02
May 9, 2019
Auxiliary request during Opposition procedure - 03
May 9, 2019
Auxiliary request during Opposition procedure - 04
May 9, 2019
Auxiliary request during Opposition procedure - 05
May 9, 2019
Letter accompanying subsequently filed items
May 9, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 18, 2019
Authorisation
Jan 18, 2019
Authorisation
Jan 18, 2019
Communication of a notice of opposition and request to file observations
Jan 18, 2019
Notice of further oppositions to opponent(s)
Jan 10, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 2, 2019
(Electronic) Receipt
Jan 2, 2019
Citation in opposition procedure - 001
Jan 2, 2019
Citation in opposition procedure - 002
Jan 2, 2019
Citation in opposition procedure - 003
Jan 2, 2019
Citation in opposition procedure - 004
Jan 2, 2019
Citation in opposition procedure - 005
Jan 2, 2019
Citation in opposition procedure - 006
Jan 2, 2019
Notice of opposition
Jan 2, 2019
Notice of opposition
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 8, 2018
Decision to grant a European patent
Feb 23, 2018
English translation of the claims
Feb 23, 2018
Filing of the translations of the claims
Feb 23, 2018
French translation of claims
Feb 21, 2018
English translation of the claims
Feb 21, 2018
Filing of the translations of the claims
Feb 21, 2018
French translation of claims
Oct 30, 2017
Bibliographic data of the European patent application
Oct 30, 2017
Communication about intention to grant a European patent
Oct 30, 2017
Intention to grant (signatures)
Oct 30, 2017
Text intended for grant (clean copy)
Oct 30, 2017
Text intended for grant (version for approval)
Oct 9, 2017
Examination started
Mar 22, 2016
Amended claims filed after receipt of (European) search report
Mar 22, 2016
Amended claims with annotations
Mar 22, 2016
Amended description filed after receipt of (European) search report
Mar 22, 2016
Amended description with annotations
Mar 22, 2016
Amendments received before examination
Mar 22, 2016
Letter concerning the designation and/or extension and/or validation of states
Mar 21, 2016
Amended claims filed after receipt of (European) search report
Mar 21, 2016
Amended claims with annotations
Mar 21, 2016
Amended description filed after receipt of (European) search report
Mar 21, 2016
Amended description with annotations
Mar 21, 2016
Amendments received before examination
Mar 21, 2016
Letter concerning the designation and/or extension and/or validation of states
Oct 19, 2015
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 14, 2015
Communication regarding the transmission of the European search report
Sep 14, 2015
European search opinion
Sep 14, 2015
European search report
Jul 9, 2015
Reply to the invitation to clarify the claims/the subject matter of the application
Jul 8, 2015
Reply to the invitation to clarify the claims/the subject matter of the application
Jun 11, 2015
Invitation to indicate the claims to be searched
Jun 3, 2015
Notification of forthcoming publication
Jan 8, 2015
Communication to designated inventor
Jan 8, 2015
Communication to designated inventor
Jan 8, 2015
Communication to designated inventor
Nov 12, 2014
Letter concerning the priority
Nov 12, 2014
Priority search results
Nov 8, 2014
Letter concerning the priority
Nov 8, 2014
Priority document
Nov 6, 2014
Abstract
Nov 6, 2014
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Nov 6, 2014
Claims
Nov 6, 2014
Description
Nov 6, 2014
Designation of inventor
Nov 6, 2014
Designation of inventor
Nov 6, 2014
Designation of inventor
Nov 6, 2014
Designation of inventor
Nov 6, 2014
Drawings
Nov 6, 2014
Request for grant of a European patent

EP2889481

PFEIFFER VACUUM

Application Number: EP14192137A
Filing Date: Nov 6, 2014
Status: Patent Maintained As Amended; Sep 23, 2022
Publication Date: Oct 26, 2022
External Links: Slate, Register , Google Patents

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Method For Calibrating A Membrane Vacuum Pump And Membrane Vacuum Pump

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Dossier Documents

EP2889481