Feedback Control Method For The Operation Of A Centrifuge

Patent No. EP3169440 (titled "Feedback Control Method For The Operation Of A Centrifuge") was filed by GEA Mechanical Equipment on Jul 6, 2015. The application was issued on Sep 4, 2019.

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
ALFA LAVAL CORPORATE	Jun 3, 2020	ALFA LAVAL ATTORNEYS

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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Nov 22, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Nov 22, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 17, 2022
Termination of the opposition proceedings with maintenance of patent
Aug 9, 2022
Advice of delivery
Aug 9, 2022
Advice of delivery
Aug 8, 2022
Decision rejecting the opposition
Aug 8, 2022
Decision rejecting the opposition
Aug 8, 2022
Grounds for the decision (Annex) - opposition
Aug 8, 2022
Means of redress
Aug 8, 2022
Transmittal of decision / summons - opposition
Aug 8, 2022
Transmittal of decision / summons - opposition
Jun 14, 2022
Decision of the Opposition Division and instruction
May 11, 2022
Notification concerning the date of oral proceedings
May 11, 2022
Notification concerning the date of oral proceedings
Apr 26, 2022
Letter regarding the opposition procedure (no time limit)
Apr 26, 2022
Letter regarding the opposition procedure (no time limit)
Apr 20, 2022
Notification concerning the date of oral proceedings
Apr 20, 2022
Notification concerning the date of oral proceedings
Apr 4, 2022
Brief communication - Opposition proceedings
Apr 4, 2022
Brief communication - Opposition proceedings
Mar 31, 2022
Brief communication - Opposition proceedings
Mar 30, 2022
(Electronic) Receipt
Mar 30, 2022
Letter accompanying subsequently filed items
Mar 30, 2022
Withdrawal of a request for oral proceedings
Mar 29, 2022
Request for interpreters during oral proceedings
Mar 28, 2022
(Electronic) Receipt
Mar 28, 2022
Auxiliary request during Opposition procedure
Mar 28, 2022
Auxiliary request during Opposition procedure - 01
Mar 28, 2022
Letter accompanying subsequently filed items
Mar 28, 2022
Written submission in preparation to/during oral proceedings
May 12, 2021
Advice of delivery
May 12, 2021
Advice of delivery
May 10, 2021
Annex to the communication - opposition
May 10, 2021
Information concerning oral proceedings
May 10, 2021
Summons to attend oral proceedings
May 10, 2021
Summons to attend oral proceedings
Nov 5, 2020
Brief communication - Opposition proceedings
Oct 30, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 27, 2020
Reply of the patent proprietor to the notice(s) of opposition
Oct 22, 2020
Brief communication - Opposition proceedings
Oct 22, 2020
Rejection of request for extension of time limit
Oct 19, 2020
(Electronic) Receipt
Oct 19, 2020
Letter accompanying subsequently filed items
Oct 19, 2020
Request for extension of time limit
Jun 19, 2020
Communication of a notice of opposition and request to file observations
Jun 19, 2020
Notice of further oppositions to opponent(s)
Jun 8, 2020
Communication of a notice of opposition - first information to patent proprietor
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Citation in opposition procedure - 001
Jun 3, 2020
Citation in opposition procedure - 002
Jun 3, 2020
Citation in opposition procedure - 003
Jun 3, 2020
Citation in opposition procedure - 004
Jun 3, 2020
Citation in opposition procedure - 005
Jun 3, 2020
Citation in opposition procedure - 006
Jun 3, 2020
Citation in opposition procedure - 007
Jun 3, 2020
Consolidated list of cited opposition documents
Jun 3, 2020
Notice of opposition
Jun 3, 2020
Notice of opposition
Sep 16, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 8, 2019
Decision to grant a European patent
Jul 4, 2019
Bibliographic data of the European patent application
Jul 4, 2019
Information about intention to grant a patent
Jul 4, 2019
Intention to grant (signatures)
Jul 4, 2019
Text intended for grant (clean copy)
Jul 4, 2019
Text intended for grant (version for approval)
Jun 14, 2019
(Electronic) Receipt
Jun 14, 2019
Amended claims with annotations
Jun 14, 2019
Claims
Jun 14, 2019
English translation of the claims
Jun 14, 2019
French translation of claims
Jun 14, 2019
Letter accompanying subsequently filed items
Jun 14, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 26, 2019
Bibliographic data of the European patent application
Feb 26, 2019
Communication about intention to grant a European patent
Feb 26, 2019
Intention to grant (signatures)
Feb 26, 2019
Text intended for grant (clean copy)
Feb 26, 2019
Text intended for grant (version for approval)
Jan 2, 2019
Examination started
Sep 4, 2017
(Electronic) Receipt
Sep 4, 2017
Amended claims filed after receipt of (European) search report
Sep 4, 2017
Amended claims with annotations
Sep 4, 2017
Amended description filed after receipt of (European) search report
Sep 4, 2017
Amended description with annotations
Sep 4, 2017
Amendments received before examination
Sep 4, 2017
Letter accompanying subsequently filed items
Apr 26, 2017
Notification on forthcoming publication of bibliographic data
Feb 24, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 22, 2017
Communication to designated inventor
Feb 22, 2017
Communication to designated inventor
Feb 1, 2017
(Electronic) Receipt
Feb 1, 2017
Priority search results
Feb 1, 2017
Request for entry into the European phase
Jan 30, 2017
Copy of the international preliminary report on patentability
Nov 25, 2016
Information on entry into European phase
Feb 8, 2016
Priority document (electronically transmitted)
Jan 21, 2016
Copy of the international search report
Jan 21, 2016
Copy of the international search report
Jan 21, 2016
Published international application - A1
Sep 18, 2015
Written opinion of the ISA, boxes No. I to VIII
Sep 18, 2015
Written opinion of the ISA, cover sheet
Sep 18, 2015
Written opinion of the ISA, supplemental box
Jul 6, 2015
(Electronic) Receipt
Jul 6, 2015
Abstract
Jul 6, 2015
Claims
Jul 6, 2015
Description
Jul 6, 2015
Drawings

EP3169440

GEA MECHANICAL EQUIPMENT

Application Number: EP15735924A
Filing Date: Jul 6, 2015
Status: Opposition Rejected; Nov 18, 2022
Publication Date: Sep 4, 2019
External Links: Slate, Register , Google Patents

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Feedback Control Method For The Operation Of A Centrifuge

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Dossier Documents

EP3169440