Method And System For Removing Ammonia From A Vent Gas Stream Of A Urea Plant

Patent No. EP2958659 (titled "Method And System For Removing Ammonia From A Vent Gas Stream Of A Urea Plant") was filed by Saipem on Feb 25, 2014. The application was issued on Nov 22, 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
STAMICARBON	Jan 4, 2018	VO
THYSSENKRUPP INDUSTRIAL SOLUTIONS	Dec 20, 2017	THYSSENKRUPP

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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Oct 26, 2023
Decision to maintain the European patent in amended form
Oct 26, 2023
Decision to maintain the European patent in amended form
Oct 26, 2023
Decision to maintain the European patent in amended form
Oct 13, 2023
(Electronic) Receipt
Oct 13, 2023
Filing of the translation of the amended claims
Oct 13, 2023
French translation of claims
Oct 13, 2023
German translation of the claims
Sep 15, 2023
Brief communication - Opposition proceedings
Sep 15, 2023
Brief communication - Opposition proceedings
Sep 15, 2023
Communication of the registration of a transfer or change of name and/or address
Sep 12, 2023
(Electronic) Receipt
Sep 12, 2023
Letter accompanying subsequently filed items
Sep 12, 2023
Submission concerning change of applicant's address
Sep 7, 2023
Communication of amended entries concerning the representative
Aug 31, 2023
Submission concerning change of applicant's representative
Jul 13, 2023
Communication to opponent concerning maintenance
Jul 13, 2023
Communication to opponent concerning maintenance
Jul 13, 2023
Communication with request to file translations
Jul 5, 2023
Maintenance of the patent with the documents specified in the final decision
Feb 22, 2023
Advice of delivery
Feb 21, 2023
(Electronic) Receipt
Feb 21, 2023
Advice of delivery
Feb 21, 2023
Letter accompanying subsequently filed items
Feb 20, 2023
Decision of the Opposition Division and instruction
Feb 20, 2023
Druckexemplar in opposition procedure
Feb 20, 2023
Grounds for the decision (Annex) - opposition
Feb 20, 2023
Interlocutory decision in opposition proceedings
Feb 20, 2023
Interlocutory decision in opposition proceedings
Feb 20, 2023
Interlocutory decision in opposition proceedings
Feb 20, 2023
Means of redress
Feb 20, 2023
Transmittal of decision / summons - opposition
Feb 20, 2023
Transmittal of decision / summons - opposition
Feb 20, 2023
Transmittal of decision / summons - opposition
Nov 22, 2022
Annexes in respect of a client data request
Nov 22, 2022
Submission concerning representation
Jun 22, 2022
Brief communication - Opposition proceedings
Jun 22, 2022
Brief communication - Opposition proceedings
Jun 22, 2022
Brief communication - Opposition proceedings
Jun 22, 2022
Communication inviting the parties to file observations
Jun 22, 2022
Communication inviting the parties to file observations
Jun 22, 2022
Communication inviting the parties to file observations
Mar 7, 2022
(Electronic) Receipt
Mar 7, 2022
Amended claims with annotations
Mar 7, 2022
Amended description with annotations
Mar 7, 2022
Claims
Mar 7, 2022
Description
Mar 7, 2022
Letter accompanying subsequently filed items
Mar 7, 2022
Reply to an examination report in opposition proceedings
Nov 8, 2021
Annex to the communication - opposition
Nov 8, 2021
Brief communication - Opposition proceedings
Nov 8, 2021
Brief communication - Opposition proceedings
Nov 8, 2021
Brief communication - Opposition proceedings
Nov 8, 2021
Communication inviting the parties to file observations
Nov 8, 2021
Communication inviting the parties to file observations
Nov 8, 2021
Communication inviting the parties to file observations
Nov 3, 2021
Communication inviting the parties to file observations
Sep 24, 2021
Advice of delivery
Sep 13, 2021
Refund of fees
Sep 9, 2021
Advice of delivery
Sep 9, 2021
Decision of the Board of Appeal
Sep 9, 2021
F3032 Notification(s) of the decision
Sep 9, 2021
F3032 Notification(s) of the decision
Sep 9, 2021
F3032 Notification(s) of the decision
Jun 28, 2021
Advice of delivery
Jun 24, 2021
Advice of delivery
Jun 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 24, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Jun 22, 2021
F3345 Forwarding of submissions to parties
Jun 22, 2021
F3345 Forwarding of submissions to parties
Jun 21, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Jun 17, 2021
(Electronic) Receipt
Jun 17, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Letter relating to Appeal Procedure
Jun 10, 2021
F3345 Forwarding of submissions to parties
Jun 10, 2021
F3345 Forwarding of submissions to parties
Jun 10, 2021
F3345 Forwarding of submissions to parties
Jun 7, 2021
(Electronic) Receipt
Jun 7, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Letter dealing with oral proceedings during the appeal procedure
May 7, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 7, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 7, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 24, 2020
(Electronic) Receipt
Dec 24, 2020
Letter accompanying subsequently filed items
Dec 11, 2020
Communication about missing proof of delivery
Dec 10, 2020
Advice of delivery
Nov 19, 2020
Advice of delivery
Nov 17, 2020
F3345 Forwarding of submissions to parties
Nov 17, 2020
F3345 Forwarding of submissions to parties
Nov 16, 2020
Advice of delivery
Nov 12, 2020
(Electronic) Receipt
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
Acknowledgement of a document
Nov 12, 2020
F3011.1 Oral Proceedings: summons
Nov 12, 2020
F3011.1 Oral Proceedings: summons
Nov 12, 2020
F3011.1 Oral Proceedings: summons
Nov 12, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Letter dealing with oral proceedings during the appeal procedure
Nov 9, 2020
F3010 Oral proceedings: order for summons
Mar 31, 2020
F3345 Forwarding of submissions to parties
Mar 31, 2020
F3345 Forwarding of submissions to parties
Mar 25, 2020
(Electronic) Receipt
Mar 25, 2020
Amended claims with annotations
Mar 25, 2020
Cited document during appeal procedure
Mar 25, 2020
Cited document during appeal procedure
Mar 25, 2020
Claims
Mar 25, 2020
Letter accompanying subsequently filed items
Mar 25, 2020
Non-Patent Literature cited during the appeal procedure
Mar 25, 2020
Non-Patent Literature cited during the appeal procedure
Mar 25, 2020
Reply to appeal
Feb 12, 2020
Composition of the board (T)
Nov 7, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 7, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Nov 4, 2019
(Electronic) Receipt
Nov 4, 2019
Annexes (other than cited documents) regarding appeal procedure
Nov 4, 2019
Cited document during appeal procedure
Nov 4, 2019
Cited document during appeal procedure
Nov 4, 2019
Letter accompanying subsequently filed items
Nov 4, 2019
Statement of grounds of appeal
Aug 12, 2019
F3204 Communication of the file number to the parties
Aug 12, 2019
F3204 Communication of the file number to the parties
Aug 12, 2019
F3204 Communication of the file number to the parties
Aug 7, 2019
(Electronic) Receipt
Aug 7, 2019
Letter accompanying subsequently filed items
Aug 7, 2019
Notice of appeal
Jul 26, 2019
Advice of delivery
Jul 24, 2019
Advice of delivery
Jul 4, 2019
Advice of delivery
Jul 2, 2019
Advice of delivery
Jun 26, 2019
Advice of delivery
Jun 24, 2019
Advice of delivery
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Acknowledgement of a document
Jun 21, 2019
Annex to the communication - opposition
Jun 21, 2019
Decision of the Opposition Division and instruction
Jun 21, 2019
Grounds for the decision (Annex) - opposition
Jun 21, 2019
Interlocutory decision in opposition proceedings
Jun 21, 2019
Internal form - Opposition/addressees
Jun 21, 2019
Internal form - Opposition/addressees
Jun 21, 2019
Means of redress
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 21, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 21, 2019
OPPODREX with handwritten amendments
Jun 21, 2019
Provision of a copy of the minutes - opposition procedure
Jun 21, 2019
Scanned annex to a communication - opposition procedure
Apr 11, 2019
Information about the result of oral proceedings
Feb 27, 2019
Brief communication - Opposition proceedings
Feb 27, 2019
Brief communication - Opposition proceedings
Feb 19, 2019
(Electronic) Receipt
Feb 19, 2019
Brief communication - Opposition proceedings
Feb 19, 2019
Letter accompanying subsequently filed items
Feb 19, 2019
Request for interpreters during oral proceedings
Feb 18, 2019
Brief communication - Opposition proceedings
Feb 14, 2019
Brief communication - Opposition proceedings
Feb 14, 2019
Brief communication - Opposition proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 13, 2019
Brief communication - Opposition proceedings
Feb 11, 2019
(Electronic) Receipt
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Amended claims with annotations
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Claims
Feb 11, 2019
Letter accompanying subsequently filed items
Feb 11, 2019
Written submission in preparation to/during oral proceedings
Feb 8, 2019
(Electronic) Receipt
Feb 8, 2019
Citation in opposition procedure
Feb 8, 2019
Citation in opposition procedure
Feb 8, 2019
Citation in opposition procedure
Feb 8, 2019
Letter accompanying subsequently filed items
Feb 8, 2019
Written submission in preparation to/during oral proceedings
Feb 7, 2019
(Electronic) Receipt
Feb 7, 2019
Letter accompanying subsequently filed items
Feb 7, 2019
Request for interpreters during oral proceedings
Feb 6, 2019
(Electronic) Receipt
Feb 6, 2019
(Electronic) Receipt
Feb 6, 2019
Letter accompanying subsequently filed items
Feb 6, 2019
Request for interpreters during oral proceedings
Feb 6, 2019
Written submission in preparation to/during oral proceedings
Dec 6, 2018
Brief communication - Opposition proceedings
Dec 6, 2018
Brief communication - Opposition proceedings
Nov 23, 2018
(Electronic) Receipt
Nov 23, 2018
Any annexes (other than citation) to an opposition letter
Nov 23, 2018
Non-patent literature cited during the opposition procedure
Nov 23, 2018
Written submission in preparation to/during oral proceedings
Nov 23, 2018
Written submission in preparation to/during oral proceedings
Nov 13, 2018
Advice of delivery
Oct 30, 2018
Advice of delivery
Oct 17, 2018
Advice of delivery
Oct 17, 2018
Advice of delivery
Oct 8, 2018
Advice of delivery
Oct 5, 2018
Acknowledgement of a document
Oct 5, 2018
Acknowledgement of a document
Oct 5, 2018
Acknowledgement of a document
Oct 5, 2018
Annex to the communication - opposition
Oct 5, 2018
Information concerning oral proceedings
Oct 5, 2018
Information concerning oral proceedings
Oct 5, 2018
Information concerning oral proceedings
Oct 5, 2018
Preparation for oral proceedings
Oct 5, 2018
Summons to attend oral proceedings
Oct 5, 2018
Summons to attend oral proceedings
Oct 5, 2018
Summons to attend oral proceedings
Aug 14, 2018
Brief communication - Opposition proceedings
Aug 14, 2018
Brief communication - Opposition proceedings
Aug 14, 2018
Communication of amended entries
Jul 20, 2018
Request for change of name -opponent
Jul 17, 2018
Annexes in respect of a client data request
Jul 17, 2018
Annexes in respect of a client data request
Jul 17, 2018
Request for change of name -opponent
Jun 8, 2018
Brief communication - Opposition proceedings
Jun 8, 2018
Brief communication - Opposition proceedings
Jun 4, 2018
(Electronic) Receipt
Jun 4, 2018
Letter accompanying subsequently filed items
Jun 4, 2018
Reply of the patent proprietor to the notice(s) of opposition
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 16, 2018
Brief communication - Opposition proceedings
Feb 9, 2018
(Electronic) Receipt
Feb 9, 2018
Any annexes (other than citation) to an opposition letter
Feb 9, 2018
Letter regarding the opposition procedure (no time limit)
Jan 24, 2018
Communication of a notice of opposition and request to file observations
Jan 24, 2018
Notice of further oppositions to opponent(s)
Jan 24, 2018
Notice of further oppositions to opponent(s)
Jan 12, 2018
Communication of a notice of opposition - first information to patent proprietor
Jan 4, 2018
(Electronic) Receipt
Jan 4, 2018
Non-patent literature cited during the opposition procedure
Jan 4, 2018
Notice of opposition
Jan 4, 2018
Notice of opposition
Jan 4, 2018
Patent document cited during the opposition procedure
Jan 4, 2018
Patent document cited during the opposition procedure
Jan 4, 2018
Patent document cited during the opposition procedure
Jan 4, 2018
Patent document cited during the opposition procedure
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
Non-patent literature cited during the opposition procedure
Dec 20, 2017
Non-patent literature cited during the opposition procedure
Dec 20, 2017
Non-patent literature cited during the opposition procedure
Dec 20, 2017
Notice of opposition
Dec 20, 2017
Notice of opposition
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Dec 20, 2017
Patent document cited during the opposition procedure
Apr 6, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 9, 2017
Decision to grant a European patent
Jan 12, 2017
(Electronic) Receipt
Jan 12, 2017
Filing of the translations of the claims
Jan 12, 2017
French translation of claims
Jan 12, 2017
German translation of the claims
Jan 12, 2017
Letter accompanying subsequently filed items
Sep 23, 2016
Bibliographic data of the European patent application
Sep 23, 2016
Communication about intention to grant a European patent
Sep 23, 2016
Intention to grant (signatures)
Sep 23, 2016
Text intended for grant
Aug 29, 2016
Examination started
Dec 2, 2015
Notification on forthcoming publication of bibliographic data
Oct 2, 2015
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 30, 2015
Communication to designated inventor
Sep 30, 2015
Communication to designated inventor
Sep 30, 2015
Communication to designated inventor
Sep 25, 2015
Priority search results copy provided by EPO
Sep 1, 2015
Copy of the international preliminary examination report
Sep 1, 2015
Copy of the international preliminary examination report
Sep 1, 2015
Reply to Written Opinion prepared by the EPO
Aug 6, 2015
(Electronic) Receipt
Aug 6, 2015
Reply to Written Opinion prepared by the EPO
Aug 6, 2015
Request for entry into the European phase
Jul 3, 2015
Information on entry into European phase
Jun 10, 2015
Annex to International preliminary examination report
Jun 10, 2015
International preliminary examination report
Jun 10, 2015
International preliminary examination report - free text sheet
Jun 10, 2015
International preliminary examination report - points I-VIII
Jun 10, 2015
Transmittal of International Preliminary Examination Report
Apr 1, 2015
(Electronic) Receipt
Apr 1, 2015
Letter regarding PCTII procedure
Apr 1, 2015
PCT(IPEA): Amended sheet - claims
Apr 1, 2015
Reply to communication PCT/IPEA/408
Mar 6, 2015
Notification of receipt of demand
Feb 10, 2015
Notification of election of EPO
Feb 9, 2015
Letter regarding PCTII procedure
Feb 4, 2015
Written opinion
Feb 4, 2015
Written opinion - free text sheet
Feb 4, 2015
Written opinion - points I-VIII
Feb 2, 2015
Amendments of documents (Article 19 PCT)
Jan 13, 2015
Notification of receipt of demand
Dec 23, 2014
(Electronic) Receipt
Dec 23, 2014
PCT demand form
Dec 23, 2014
PCT(IPEA): Amended sheet - claims
Dec 23, 2014
PCT(IPEA): Amended sheet - claims
Dec 23, 2014
Payment of fees and costs
Dec 23, 2014
Reply to International Search Opinion
Sep 16, 2014
Priority document (electronically transmitted)
Aug 28, 2014
Copy of the international search report
Aug 28, 2014
Published international application - A1
Jun 19, 2014
Written opinion of the ISA, boxes No. I to VIII
Jun 19, 2014
Written opinion of the ISA, cover sheet
Jun 19, 2014
Written opinion of the ISA, supplemental box
May 23, 2014
Abstract
May 23, 2014
Claims
May 23, 2014
Description
May 23, 2014
Drawings
May 23, 2014
Submission concerning representation
Apr 4, 2014
Abstract
Apr 4, 2014
Abstract
Apr 4, 2014
Claims
Apr 4, 2014
Description
Apr 4, 2014
Drawings

EP2958659

SAIPEM

Application Number: EP14716000A
Filing Date: Feb 25, 2014
Status: Patent Maintained As Amended; Oct 20, 2023
Publication Date: Nov 22, 2023
External Links: Slate, Register , Google Patents

IP Verse

Method And System For Removing Ammonia From A Vent Gas Stream Of A Urea Plant

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2958659