Compressor Train Start-Up Using Variable Inlet Guide Vanes

Patent No. EP3408543 (titled "Compressor Train Start-Up Using Variable Inlet Guide Vanes") was filed by Nuovo Pignone Tecnologie on Jan 23, 2017. The application was issued on Feb 8, 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
LAIR LIQUIDE	Oct 8, 2020	AIR LIQUIDE

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 13, 2023
Brief communication - Opposition proceedings
Jan 12, 2023
Decision to maintain the European patent in amended form
Jan 12, 2023
Decision to maintain the European patent in amended form
Jan 11, 2023
Communication concerning the filing of a power of attorney
Jan 11, 2023
Communication of amended entries concerning the representative
Jan 6, 2023
Termination of the opposition proceedings with maintenance of patent
Jan 3, 2023
(Electronic) Receipt
Jan 3, 2023
Filing of the translation of the amended claims
Jan 3, 2023
French translation of claims
Jan 3, 2023
German translation of the claims
Jan 3, 2023
Submission concerning change of proprietor's representative
Oct 31, 2022
Communication of bibliographic data
Oct 31, 2022
Communication to opponent concerning maintenance
Oct 31, 2022
Communication with request to file translations
Oct 24, 2022
Maintenance of the patent with the documents specified in the final decision
Jul 12, 2022
Annex to the communication - opposition
Jul 12, 2022
Decision of the Opposition Division and instruction
Jul 12, 2022
Druckexemplar in opposition procedure
Jul 12, 2022
Grounds for the decision (Annex) - opposition
Jul 12, 2022
Interlocutory decision in opposition proceedings
Jul 12, 2022
Interlocutory decision in opposition proceedings
Jul 12, 2022
Means of redress
Jul 12, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 12, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 12, 2022
Provision of a copy of the minutes - opposition procedure
Jul 12, 2022
Provision of a copy of the minutes - opposition procedure
Jul 12, 2022
Scanned annex to a communication - opposition procedure
Jul 12, 2022
Scanned annex to a communication - opposition procedure
Jul 12, 2022
Transmittal of decision / summons - opposition
Jul 12, 2022
Transmittal of decision / summons - opposition
Mar 17, 2022
Information about the result of oral proceedings
Feb 17, 2022
(Electronic) Receipt
Feb 17, 2022
Letter accompanying subsequently filed items
Feb 17, 2022
Request for interpreters during oral proceedings
Jan 21, 2022
Brief communication - Opposition proceedings
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Citation in opposition procedure - 008
Jan 17, 2022
Citation in opposition procedure - 009
Jan 17, 2022
Citation in opposition procedure - 010
Jan 17, 2022
Consolidated list of cited opposition documents
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Letter accompanying subsequently filed items
Jan 17, 2022
Written submission in preparation to/during oral proceedings
Jan 17, 2022
Written submission in preparation to/during oral proceedings
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure
Jan 13, 2022
Auxiliary request during Opposition procedure - 01
Jan 13, 2022
Auxiliary request during Opposition procedure - 02
Jan 13, 2022
Auxiliary request during Opposition procedure - 03
Jan 13, 2022
Auxiliary request during Opposition procedure - 04
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Written submission in preparation to/during oral proceedings
Dec 17, 2021
Notification concerning the date of oral proceedings
Dec 17, 2021
Notification concerning the date of oral proceedings
Aug 24, 2021
Document concerning representation
May 26, 2021
(Electronic) Receipt
May 26, 2021
Advice of delivery
May 26, 2021
Letter accompanying subsequently filed items
May 21, 2021
(Electronic) Receipt
May 21, 2021
Advice of delivery
May 21, 2021
Annex to the communication - opposition
May 21, 2021
Information concerning oral proceedings
May 21, 2021
Letter accompanying subsequently filed items
May 21, 2021
Summons to attend oral proceedings
May 21, 2021
Summons to attend oral proceedings
May 21, 2021
Transmittal of decision / summons - opposition
May 21, 2021
Transmittal of decision / summons - opposition
Feb 26, 2021
Brief communication - Opposition proceedings
Feb 19, 2021
Auxiliary request during Opposition procedure
Feb 19, 2021
Auxiliary request during Opposition procedure
Feb 19, 2021
Auxiliary request during Opposition procedure - 01
Feb 19, 2021
Auxiliary request during Opposition procedure - 02
Feb 19, 2021
Reply of the patent proprietor to the notice(s) of opposition
Feb 17, 2021
Auxiliary request during Opposition procedure
Feb 17, 2021
Auxiliary request during Opposition procedure
Feb 17, 2021
Auxiliary request during Opposition procedure - 01
Feb 17, 2021
Auxiliary request during Opposition procedure - 02
Feb 17, 2021
Reply of the patent proprietor to the notice(s) of opposition
Nov 5, 2020
Brief communication - Opposition proceedings
Nov 4, 2020
Communication confirming withdrawal from representation
Nov 4, 2020
Communication of amended entries concerning the representative
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Request for change of opponent's representative
Oct 29, 2020
Submission concerning change of applicant's representative
Oct 23, 2020
Communication of a notice of opposition and request to file observations
Oct 23, 2020
Notice of further oppositions to opponent(s)
Oct 16, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 8, 2020
(Electronic) Receipt
Oct 8, 2020
Citation in opposition procedure
Oct 8, 2020
Citation in opposition procedure - 001
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 002
Oct 8, 2020
Citation in opposition procedure - 003
Oct 8, 2020
Citation in opposition procedure - 004
Oct 8, 2020
Citation in opposition procedure - 005
Oct 8, 2020
Citation in opposition procedure - 006
Oct 8, 2020
Citation in opposition procedure - 007
Oct 8, 2020
Filing of a new opposition
Oct 8, 2020
International publication (Pamphlet)
Oct 8, 2020
Letter accompanying subsequently filed items
Oct 8, 2020
Notice of opposition
Oct 8, 2020
Notice of opposition
Jan 20, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 12, 2019
Decision to grant a European patent
Oct 28, 2019
Brief communication to applicant/representative
Oct 28, 2019
Communication of amended entries concerning the representative
Oct 10, 2019
Communication concerning the filing of a power of attorney
Oct 10, 2019
Communication of the registration of a transfer or change of name and/or address
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
French translation of claims
Oct 4, 2019
German translation of the claims
Oct 4, 2019
Letter accompanying subsequently filed items
Oct 4, 2019
Submission concerning change of applicant's name
Oct 4, 2019
Submission concerning change of applicant's representative
May 29, 2019
Bibliographic data of the European patent application
May 29, 2019
Communication about intention to grant a European patent
May 29, 2019
Intention to grant (signatures)
May 29, 2019
Text intended for grant (clean copy)
May 29, 2019
Text intended for grant (version for approval)
May 13, 2019
Confirmation of revocation of automatic debit order
May 8, 2019
Letter relating to the automatic debiting procedure
May 6, 2019
Communication of amended entries concerning the representative
May 3, 2019
Examination started
Apr 23, 2019
Submission concerning change of applicant's representative
Nov 7, 2018
Notification on forthcoming publication of bibliographic data
Sep 6, 2018
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 4, 2018
Communication to designated inventor
Sep 4, 2018
Communication to designated inventor
Sep 4, 2018
Communication to designated inventor
Sep 4, 2018
Communication to designated inventor
Sep 4, 2018
Communication to designated inventor
Aug 30, 2018
Priority search results copy provided by EPO
Aug 16, 2018
Copy of the international preliminary report on patentability
Jul 24, 2018
(Electronic) Receipt
Jul 24, 2018
Amended claims filed after receipt of (European) search report
Jul 24, 2018
Amended description filed after receipt of (European) search report
Jul 24, 2018
Request for entry into the European phase
Jun 8, 2018
Information on entry into European phase
Dec 21, 2017
Priority document (electronically transmitted)
Aug 3, 2017
Copy of the international search report
Aug 3, 2017
Published international application - A1
Mar 10, 2017
ISR: cited documents
Mar 9, 2017
Written opinion of the ISA, boxes No. I to VIII
Mar 9, 2017
Written opinion of the ISA, cover sheet
Mar 9, 2017
Written opinion of the ISA, supplemental box
Feb 10, 2017
Notification of receipt of Search copy
Jan 30, 2017
Notification of the international application number and of the international filing date
Jan 27, 2017
Request form for international application (copy for ISA/EP)
Jan 23, 2017
(Electronic) Receipt
Jan 23, 2017
Abstract
Jan 23, 2017
Claims
Jan 23, 2017
Description
Jan 23, 2017
Drawings
Jan 23, 2017
Electronic request for grant of an International application
Jan 23, 2017
Incoming communication concerning PCT Direct
Jan 23, 2017
Incoming communication concerning PCT Direct
Jan 23, 2017
Payment of fees and costs

EP3408543

NUOVO PIGNONE TECNOLOGIE

Application Number: EP17701840A
Filing Date: Jan 23, 2017
Status: Patent Maintained As Amended; Jan 6, 2023
Publication Date: Feb 8, 2023
External Links: Slate, Register , Google Patents

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Compressor Train Start-Up Using Variable Inlet Guide Vanes

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Dossier Documents

EP3408543