Rotary Machine

Patent No. EP2821651 (titled "Rotary Machine") was filed by Mitsubishi Heavy Industries Compressor on Feb 27, 2012. The application was issued on Jun 15, 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
MAN ENERGY SOLUTIONS	May 27, 2019	-

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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May 19, 2022
Decision to maintain the European patent in amended form
May 19, 2022
Decision to maintain the European patent in amended form
May 13, 2022
Termination of the opposition proceedings with maintenance of patent
May 4, 2022
(Electronic) Receipt
May 4, 2022
Filing of the translation of the amended claims
May 4, 2022
French translation of claims
May 4, 2022
German translation of the claims
May 4, 2022
Letter accompanying subsequently filed items
Feb 25, 2022
Communication of bibliographic data
Feb 25, 2022
Communication to opponent concerning maintenance
Feb 25, 2022
Communication with request to file translations
Feb 21, 2022
Maintenance of the patent with the documents specified in the final decision
Nov 16, 2021
Advice of delivery
Nov 12, 2021
Advice of delivery
Nov 10, 2021
Annex to the communication - opposition
Nov 10, 2021
Decision of the Opposition Division and instruction
Nov 10, 2021
Druckexemplar in opposition procedure
Nov 10, 2021
Grounds for the decision (Annex) - opposition
Nov 10, 2021
Interlocutory decision in opposition proceedings
Nov 10, 2021
Interlocutory decision in opposition proceedings
Nov 10, 2021
Means of redress
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 10, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 10, 2021
Provision of a copy of the minutes - opposition procedure
Nov 10, 2021
Provision of a copy of the minutes - opposition procedure
Nov 10, 2021
Scanned annex to a communication - opposition procedure
Sep 23, 2021
Information about the result of oral proceedings
Jul 27, 2021
Written submission in preparation to/during oral proceedings
Jul 26, 2021
Brief communication - Opposition proceedings
Jul 20, 2021
Written submission in preparation to/during oral proceedings
Jul 12, 2021
Notification concerning the date of oral proceedings
Jul 12, 2021
Notification concerning the date of oral proceedings
Jul 9, 2021
Brief communication - Opposition proceedings
Jul 6, 2021
Brief communication - Opposition proceedings
Jul 5, 2021
Written submission in preparation to/during oral proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Request for interpreters during oral proceedings
Jun 28, 2021
Brief communication - Opposition proceedings
Jun 23, 2021
(Electronic) Receipt
Jun 23, 2021
Auxiliary request during Opposition procedure
Jun 23, 2021
Auxiliary request during Opposition procedure - 01
Jun 23, 2021
Letter accompanying subsequently filed items
Jun 23, 2021
Main request during Opposition procedure
Jun 23, 2021
Main request during Opposition procedure
Jun 23, 2021
Written submission in preparation to/during oral proceedings
Jun 7, 2021
Notification concerning the date of oral proceedings
Jun 7, 2021
Notification concerning the date of oral proceedings
Oct 21, 2020
Advice of delivery
Oct 20, 2020
Advice of delivery
Oct 16, 2020
Annex to the communication - opposition
Oct 16, 2020
Information concerning oral proceedings
Oct 16, 2020
Summons to attend oral proceedings
Oct 16, 2020
Summons to attend oral proceedings
Sep 15, 2020
Advice of delivery
Sep 14, 2020
Advice of delivery
Sep 11, 2020
Brief communication - Opposition proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 10, 2020
Advice of delivery
Sep 8, 2020
(Electronic) Receipt
Sep 8, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
Oral proceedings: Request for postponement
Aug 28, 2020
Brief communication - Opposition proceedings
Aug 27, 2020
Brief communication - Opposition proceedings
Aug 27, 2020
Brief communication - Opposition proceedings
Aug 26, 2020
Oral proceedings: Request for postponement
Aug 24, 2020
(Electronic) Receipt
Aug 24, 2020
Letter accompanying subsequently filed items
Aug 24, 2020
Written submission in preparation to/during oral proceedings
Aug 17, 2020
Notification concerning the date of oral proceedings
Aug 17, 2020
Notification concerning the date of oral proceedings
Aug 13, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure
Aug 7, 2020
Auxiliary request during Opposition procedure - 01
Aug 7, 2020
Auxiliary request during Opposition procedure - 02
Aug 7, 2020
Auxiliary request during Opposition procedure - 03
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Main request during Opposition procedure
Aug 7, 2020
Main request during Opposition procedure
Aug 7, 2020
Main request during Opposition procedure
Aug 7, 2020
Written submission in preparation to/during oral proceedings
Aug 5, 2020
Written submission in preparation to/during oral proceedings
Mar 9, 2020
Advice of delivery
Mar 9, 2020
Advice of delivery
Mar 6, 2020
Annex to the communication - opposition
Mar 6, 2020
Summons to attend oral proceedings
Mar 6, 2020
Summons to attend oral proceedings
Nov 6, 2019
Brief communication - Opposition proceedings
Oct 31, 2019
(Electronic) Receipt
Oct 31, 2019
Amended claims with annotations
Oct 31, 2019
Claims
Oct 31, 2019
Letter accompanying subsequently filed items
Oct 31, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 24, 2019
Communication of a notice of opposition and request to file observations
Jun 24, 2019
Notice of further oppositions to opponent(s)
Jun 14, 2019
Letter regarding the opposition procedure (no time limit)
Jun 14, 2019
Translation of the evidence during Opposition procedure
Jun 12, 2019
Brief communication - Opposition proceedings
Jun 5, 2019
(Electronic) Receipt
Jun 5, 2019
Letter accompanying subsequently filed items
Jun 5, 2019
Letter regarding the opposition procedure (no time limit)
May 31, 2019
Communication of a notice of opposition - first information to patent proprietor
May 31, 2019
Request for documents
May 27, 2019
(Electronic) Receipt
May 27, 2019
Notice of opposition
May 27, 2019
Notice of opposition
May 27, 2019
Patent document cited during the examination procedure
May 27, 2019
Patent document cited during the examination procedure
May 27, 2019
Patent document cited during the examination procedure
May 27, 2019
Patent document cited during the examination procedure
May 27, 2019
Patent document cited during the examination procedure
May 27, 2019
Patent document cited during the opposition procedure
May 27, 2019
Patent document cited during the opposition procedure
May 27, 2019
Patent document cited during the opposition procedure
May 27, 2019
Patent document cited during the opposition procedure
Oct 29, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 20, 2018
Decision to grant a European patent
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Filing of the translations of the claims
Sep 7, 2018
French translation of claims
Sep 7, 2018
German translation of the claims
Sep 7, 2018
Letter accompanying subsequently filed items
Jun 26, 2018
Bibliographic data of the European patent application
Jun 26, 2018
Communication about intention to grant a European patent
Jun 26, 2018
Intention to grant (signatures)
Jun 26, 2018
Text intended for grant (clean copy)
Jun 26, 2018
Text intended for grant (version for approval)
Feb 22, 2018
(Electronic) Receipt
Feb 22, 2018
Amended description with annotations
Feb 22, 2018
Description
Feb 22, 2018
Letter accompanying subsequently filed items
Feb 22, 2018
Reply to communication from the Examining Division
Nov 9, 2017
Annex to the communication
Nov 9, 2017
Communication from the Examining Division
Jul 5, 2017
(Electronic) Receipt
Jul 5, 2017
Amended claims with annotations
Jul 5, 2017
Claims
Jul 5, 2017
Drawings
Jul 5, 2017
Letter accompanying subsequently filed items
Jul 5, 2017
Reply to communication from the Examining Division
Mar 9, 2017
Annex to the communication
Mar 9, 2017
Communication from the Examining Division
Nov 29, 2016
(Electronic) Receipt
Nov 29, 2016
Amended claims with annotations
Nov 29, 2016
Claims
Nov 29, 2016
Letter accompanying subsequently filed items
Nov 29, 2016
Reply to communication from the Examining Division
Jul 19, 2016
Annex to the communication
Jul 19, 2016
Communication from the Examining Division
Jul 12, 2016
Examination started
Feb 16, 2016
(Electronic) Receipt
Feb 16, 2016
Amended claims filed after receipt of (European) search report
Feb 16, 2016
Amended claims with annotations
Feb 16, 2016
Amended description filed after receipt of (European) search report
Feb 16, 2016
Amended description with annotations
Feb 16, 2016
Amendments received before examination
Feb 16, 2016
Letter accompanying subsequently filed items
Nov 13, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 27, 2015
Communication regarding the transmission of the European search report
Oct 27, 2015
European search opinion
Oct 27, 2015
Supplementary European search report
Oct 15, 2015
Search started
Dec 10, 2014
Notification of forthcoming publication
Oct 6, 2014
Communication regarding possible amendment of the application/payment of claims fee
Oct 1, 2014
Communication to designated inventor
Oct 1, 2014
Communication to designated inventor
Sep 26, 2014
Submission concerning representation
Sep 16, 2014
Copy of the international preliminary report on patentability
Sep 16, 2014
Translation of the international preliminary report on patentability
Aug 7, 2014
(Electronic) Receipt
Aug 7, 2014
Abstract
Aug 7, 2014
Claims
Aug 7, 2014
Description
Aug 7, 2014
Drawings
Aug 7, 2014
Request for entry into the European phase
Jul 11, 2014
Information on entry into European phase
Sep 6, 2013
Copy of the international search report
Sep 6, 2013
Copy of the translated international search report
Sep 6, 2013
International publication pamphlet

EP2821651

MITSUBISHI HEAVY INDUSTRIES COMPRESSOR

Application Number: EP12869730A
Filing Date: Feb 27, 2012
Status: Patent Maintained As Amended; May 13, 2022
Publication Date: Jun 15, 2022
External Links: Slate, Register , Google Patents

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Rotary Machine

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Dossier Documents

EP2821651