Dry Gas Seal For Supercritical Co2 Pump-High Pressure Buffer

Patent No. EP2805024 (titled "Dry Gas Seal For Supercritical Co2 Pump-High Pressure Buffer") was filed by Nuovo Pignone on Nov 27, 2012. The application was issued on Mar 15, 2017.

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
SIEMENS	Dec 15, 2017	-

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 1, 2024
Brief communication - Opposition proceedings
Aug 28, 2023
Advice of delivery
Aug 25, 2023
Termination of the opposition proceedings with revocation of patent
Aug 21, 2023
(Electronic) Receipt
Aug 21, 2023
Advice of delivery
Aug 21, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Communication about missing proof of delivery
Jun 22, 2023
Miscellaneous requests concerning client data
Jun 5, 2023
Decision of the Board of Appeal
Jun 5, 2023
F3032 Notification(s) of the decision
Jun 5, 2023
F3032 Notification(s) of the decision
May 10, 2023
F3013 Oral Proceedings: Forwarding minutes
May 10, 2023
F3013 Oral Proceedings: Forwarding minutes
May 10, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 31, 2023
F3018 Oral proceedings: Confirmation interpreters
Mar 31, 2023
F3018 Oral proceedings: Confirmation interpreters
Mar 13, 2023
F3345 Forwarding of submissions to parties
Mar 3, 2023
(Electronic) Receipt
Mar 3, 2023
Authorisation
Mar 3, 2023
Letter accompanying subsequently filed items
Mar 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 31, 2023
F3345 Forwarding of submissions to parties
Jan 25, 2023
(Electronic) Receipt
Jan 25, 2023
Letter accompanying subsequently filed items
Jan 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Nov 22, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 22, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 19, 2022
Advice of delivery
Apr 8, 2022
Communication about missing proof of delivery
Feb 8, 2022
Advice of delivery
Jan 31, 2022
F3011.1 Oral Proceedings: summons
Jan 31, 2022
F3011.1 Oral Proceedings: summons
Jan 26, 2022
F3010 Oral proceedings: order for summons
Mar 30, 2020
F3345 Forwarding of submissions to parties
Mar 25, 2020
(Electronic) Receipt
Mar 25, 2020
Letter accompanying subsequently filed items
Mar 25, 2020
Reply to appeal
Mar 2, 2020
Composition of the board (T)
Dec 3, 2019
F3345 Forwarding of submissions to parties
Nov 29, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 26, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 26, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 26, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 26, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 26, 2019
Non-scannable object
Nov 26, 2019
Statement of grounds of appeal
Nov 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 25, 2019
Statement of grounds of appeal
Aug 20, 2019
F3204 Communication of the file number to the parties
Aug 16, 2019
Advice of delivery
Aug 16, 2019
Advice of delivery
Aug 9, 2019
(Electronic) Receipt
Aug 9, 2019
Letter accompanying subsequently filed items
Aug 9, 2019
Notice of appeal
Jul 31, 2019
Advice of delivery
Jul 31, 2019
Advice of delivery
Jul 26, 2019
Annex to the communication - opposition
Jul 26, 2019
Decision of the Opposition Division and instruction
Jul 26, 2019
Decision rejecting the opposition
Jul 26, 2019
Grounds for the decision (Annex) - opposition
Jul 26, 2019
Internal form - Opposition/addressees
Jul 26, 2019
Internal form - Opposition/addressees
Jul 26, 2019
Means of redress
Jul 26, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 26, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 26, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 26, 2019
Provision of a copy of the minutes - opposition procedure
Jul 26, 2019
Scanned annex to a communication - opposition procedure
Jun 27, 2019
Information about the result of oral proceedings
May 13, 2019
Confirmation of revocation of automatic debit order
May 6, 2019
Communication of amended entries concerning the representative
May 2, 2019
Brief communication - Opposition proceedings
Apr 30, 2019
Brief communication - Opposition proceedings
Apr 26, 2019
(Electronic) Receipt
Apr 26, 2019
Letter accompanying subsequently filed items
Apr 26, 2019
Letter regarding the opposition procedure (no time limit)
Apr 25, 2019
(Electronic) Receipt
Apr 25, 2019
Brief communication - Opposition proceedings
Apr 25, 2019
Request for interpreters during oral proceedings
Apr 18, 2019
(Electronic) Receipt
Apr 18, 2019
Letter accompanying subsequently filed items
Apr 18, 2019
Letter regarding the opposition procedure (no time limit)
Apr 18, 2019
Non-patent literature cited during the opposition procedure
Nov 15, 2018
Brief communication - Opposition proceedings
Nov 12, 2018
(Electronic) Receipt
Nov 12, 2018
Letter accompanying subsequently filed items
Nov 12, 2018
Request for interpreters during oral proceedings
Nov 2, 2018
Advice of delivery
Nov 2, 2018
Advice of delivery
Oct 8, 2018
Advice of delivery
Oct 5, 2018
Advice of delivery
Oct 1, 2018
Annex to the communication - opposition
Oct 1, 2018
Summons to attend oral proceedings
May 25, 2018
Brief communication - Opposition proceedings
May 18, 2018
(Electronic) Receipt
May 18, 2018
Letter accompanying subsequently filed items
May 18, 2018
Reply of the patent proprietor to the notice(s) of opposition
Jan 9, 2018
Communication of a notice of opposition and request to file observations
Jan 9, 2018
Notice of further oppositions to opponent(s)
Jan 2, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 15, 2017
(Electronic) Receipt
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Notice of opposition
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Dec 15, 2017
Patent document cited during the opposition procedure
Mar 16, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 16, 2017
Decision to grant a European patent
Jan 30, 2017
(Electronic) Receipt
Jan 30, 2017
French translation of claims
Jan 30, 2017
German translation of the claims
Jan 30, 2017
Letter accompanying subsequently filed items
Oct 18, 2016
Bibliographic data of the European patent application
Oct 18, 2016
Communication about intention to grant a European patent
Oct 18, 2016
Intention to grant (signatures)
Oct 18, 2016
Text intended for grant (clean copy)
Oct 18, 2016
Text intended for grant (version for approval)
Sep 13, 2016
Examination started
Jan 26, 2015
(Electronic) Receipt
Jan 26, 2015
Amended claims filed after receipt of (European) search report
Jan 26, 2015
Amended claims with annotations
Jan 26, 2015
Amended description filed after receipt of (European) search report
Jan 26, 2015
Amended description with annotations
Jan 26, 2015
Amendments received before examination
Jan 26, 2015
Letter accompanying subsequently filed items
Oct 29, 2014
Notification on forthcoming publication of bibliographic data
Jul 17, 2014
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 15, 2014
Communication to designated inventor
Jul 15, 2014
Communication to designated inventor
Jul 15, 2014
Communication to designated inventor
Jul 10, 2014
Priority search results copy provided by EPO
Jun 26, 2014
Copy of the international preliminary report on patentability
Jun 5, 2014
(Electronic) Receipt
Jun 5, 2014
Request for entry into the European phase
Apr 22, 2014
Information on entry into European phase
Aug 15, 2013
Notification of the recording of a change
Aug 15, 2013
Notification of the recording of a change
Jul 3, 2013
Priority document (electronically transmitted)
Jun 13, 2013
Copy of the international search report
Jun 13, 2013
Published international application - A1
Feb 25, 2013
Written opinion of the ISA, boxes No. I to VIII
Feb 25, 2013
Written opinion of the ISA, cover sheet
Feb 25, 2013
Written opinion of the ISA, supplemental box
Nov 27, 2012
(Electronic) Receipt
Nov 27, 2012
Abstract
Nov 27, 2012
Claims
Nov 27, 2012
Description
Nov 27, 2012
Drawings

EP2805024

NUOVO PIGNONE

Application Number: EP12790924A
Filing Date: Nov 27, 2012
Status: Revoked; Aug 25, 2023
Publication Date: Mar 15, 2017
External Links: Slate, Register , Google Patents

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Dry Gas Seal For Supercritical Co2 Pump-High Pressure Buffer

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Dossier Documents

EP2805024