Process And Plant For The Synthesis Of Urea And Melamine

Patent No. EP3137448 (titled "Process And Plant For The Synthesis Of Urea And Melamine") was filed by Casale on Apr 16, 2015. The application was issued on Feb 23, 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
EUROTECNICA CONTRACTORS AND ENGINEERS	Jul 17, 2019	DE GREGORI
STAMICARBON	Jul 17, 2019	VO
SAIPEM	Jul 15, 2019	CERNUZZI

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 27, 2022
Decision to maintain the European patent in amended form
Jan 27, 2022
Decision to maintain the European patent in amended form
Jan 27, 2022
Decision to maintain the European patent in amended form
Jan 27, 2022
Decision to maintain the European patent in amended form
Jan 24, 2022
Termination of the opposition proceedings with maintenance of patent
Jan 17, 2022
(Electronic) Receipt
Jan 17, 2022
Filing of the translation of the amended claims
Jan 17, 2022
French translation of claims
Jan 17, 2022
German translation of the claims
Jan 17, 2022
Letter accompanying subsequently filed items
Dec 7, 2021
Communication to opponent concerning maintenance
Dec 7, 2021
Communication to opponent concerning maintenance
Dec 7, 2021
Communication to opponent concerning maintenance
Dec 7, 2021
Communication with request to file translations
Dec 2, 2021
Maintenance of the patent with the documents specified in the final decision
Nov 24, 2021
Refund of fees
Nov 24, 2021
Refund of fees
Nov 24, 2021
Refund of fees
Nov 24, 2021
Refund of fees
Nov 24, 2021
Refund of fees
Nov 24, 2021
Refund of fees
Nov 23, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 23, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 23, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 23, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Nov 15, 2021
F3345 Forwarding of submissions to parties
Nov 15, 2021
F3345 Forwarding of submissions to parties
Nov 15, 2021
F3345 Forwarding of submissions to parties
Nov 12, 2021
(Electronic) Receipt
Nov 12, 2021
F3345 Forwarding of submissions to parties
Nov 12, 2021
F3345 Forwarding of submissions to parties
Nov 12, 2021
F3345 Forwarding of submissions to parties
Nov 12, 2021
Letter accompanying subsequently filed items
Nov 12, 2021
Withdrawal of an appeal
Nov 10, 2021
(Electronic) Receipt
Nov 10, 2021
Letter accompanying subsequently filed items
Nov 10, 2021
Withdrawal of an appeal
Nov 9, 2021
(Electronic) Receipt
Nov 9, 2021
Letter accompanying subsequently filed items
Nov 9, 2021
Withdrawal of an appeal
Oct 22, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
(Electronic) Receipt
Oct 20, 2021
F3004 Communication of the Registry
Oct 20, 2021
F3204 Communication of the file number to the parties
Oct 20, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
F3345 Forwarding of submissions to parties
Oct 20, 2021
Letter accompanying subsequently filed items
Oct 20, 2021
Letter relating to Appeal Procedure
Oct 20, 2021
Letter relating to Appeal Procedure
Oct 18, 2021
F3204 Communication of the file number to the parties
Oct 12, 2021
(Electronic) Receipt
Oct 12, 2021
Letter accompanying subsequently filed items
Oct 12, 2021
Notice of appeal
Oct 11, 2021
(Electronic) Receipt
Oct 11, 2021
F3204 Communication of the file number to the parties
Oct 11, 2021
Letter accompanying subsequently filed items
Oct 11, 2021
Notice of appeal
Oct 4, 2021
(Electronic) Receipt
Oct 4, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Notice of appeal
Aug 13, 2021
(Electronic) Receipt
Aug 13, 2021
Advice of delivery
Aug 13, 2021
Letter accompanying subsequently filed items
Aug 12, 2021
Advice of delivery
Aug 2, 2021
Advice of delivery
Aug 2, 2021
Advice of delivery
Aug 2, 2021
Advice of delivery
Aug 2, 2021
Annex to the communication - opposition
Aug 2, 2021
Decision of the Opposition Division and instruction
Aug 2, 2021
Druckexemplar in opposition procedure
Aug 2, 2021
Grounds for the decision (Annex) - opposition
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Interlocutory decision in opposition proceedings
Aug 2, 2021
Means of redress
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Provision of a copy of the minutes - opposition procedure
Aug 2, 2021
Scanned annex to a communication - opposition procedure
Aug 2, 2021
Scanned annex to a communication - opposition procedure
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Aug 2, 2021
Transmittal of decision / summons - opposition
Apr 15, 2021
Information about the result of oral proceedings
Mar 29, 2021
Brief communication - Opposition proceedings
Mar 29, 2021
Brief communication - Opposition proceedings
Mar 29, 2021
Brief communication - Opposition proceedings
Mar 22, 2021
(Electronic) Receipt
Mar 22, 2021
Letter accompanying subsequently filed items
Mar 22, 2021
Written submission in preparation to/during oral proceedings
Mar 16, 2021
(Electronic) Receipt
Mar 16, 2021
Letter accompanying subsequently filed items
Mar 11, 2021
(Electronic) Receipt
Mar 11, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
Brief communication - Opposition proceedings
Feb 17, 2021
Brief communication - Opposition proceedings
Feb 15, 2021
(Electronic) Receipt
Feb 15, 2021
Auxiliary request during Opposition procedure
Feb 15, 2021
Auxiliary request during Opposition procedure
Feb 15, 2021
Auxiliary request during Opposition procedure
Feb 15, 2021
Auxiliary request during Opposition procedure - 01
Feb 15, 2021
Auxiliary request during Opposition procedure - 02
Feb 15, 2021
Auxiliary request during Opposition procedure - 03
Feb 15, 2021
Letter accompanying subsequently filed items
Feb 15, 2021
Written submission in preparation to/during oral proceedings
Feb 11, 2021
(Electronic) Receipt
Feb 11, 2021
Letter accompanying subsequently filed items
Feb 11, 2021
Oral proceedings: reply to date proposed
Feb 10, 2021
(Electronic) Receipt
Feb 10, 2021
Letter accompanying subsequently filed items
Feb 3, 2021
(Electronic) Receipt
Feb 3, 2021
Letter accompanying subsequently filed items
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Jan 26, 2021
Notification concerning the date of oral proceedings
Oct 26, 2020
Advice of delivery
Oct 21, 2020
Communication about missing advice of delivery
Sep 4, 2020
Advice of delivery
Aug 31, 2020
Advice of delivery
Aug 27, 2020
Advice of delivery
Aug 26, 2020
Acknowledgement of a document
Aug 26, 2020
Acknowledgement of a document
Aug 26, 2020
Acknowledgement of a document
Aug 26, 2020
Acknowledgement of a document
Aug 26, 2020
Annex to the communication - opposition
Aug 26, 2020
Information concerning oral proceedings
Aug 26, 2020
Summons to attend oral proceedings
Aug 26, 2020
Summons to attend oral proceedings
Aug 26, 2020
Summons to attend oral proceedings
Aug 26, 2020
Summons to attend oral proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
Notification concerning the date of oral proceedings
Aug 7, 2020
Notification concerning the date of oral proceedings
Aug 7, 2020
Notification concerning the date of oral proceedings
Aug 7, 2020
Notification concerning the date of oral proceedings
Aug 5, 2020
(Electronic) Receipt
Aug 5, 2020
Brief communication - Opposition proceedings
Aug 5, 2020
Brief communication - Opposition proceedings
Aug 5, 2020
Brief communication - Opposition proceedings
Aug 5, 2020
Letter accompanying subsequently filed items
Aug 5, 2020
Written submission in preparation to/during oral proceedings
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
Citation in opposition procedure - 013
Aug 4, 2020
Citation in opposition procedure - 013
Aug 4, 2020
Consolidated list of cited opposition documents
Aug 4, 2020
Letter accompanying subsequently filed items
Aug 4, 2020
Request for interpreters during oral proceedings
Aug 4, 2020
Written submission in preparation to/during oral proceedings
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Oral proceedings: reply to date proposed
Jul 28, 2020
(Electronic) Receipt
Jul 28, 2020
Citation in opposition procedure - 010
Jul 28, 2020
Citation in opposition procedure - 011
Jul 28, 2020
Citation in opposition procedure - 012
Jul 28, 2020
Letter accompanying subsequently filed items
Jul 28, 2020
Written submission in preparation to/during oral proceedings
May 13, 2020
Communication of amended entries concerning the representative
May 7, 2020
Submission concerning change of applicant's representative
Feb 15, 2020
Advice of delivery
Feb 3, 2020
Advice of delivery
Jan 28, 2020
Advice of delivery
Jan 28, 2020
Advice of delivery
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Acknowledgement of a document
Jan 24, 2020
Annex to the communication - opposition
Jan 24, 2020
Information concerning oral proceedings
Jan 24, 2020
Information concerning oral proceedings
Jan 24, 2020
Information concerning oral proceedings
Jan 24, 2020
Information concerning oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Jan 24, 2020
Summons to attend oral proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 11, 2019
Brief communication - Opposition proceedings
Dec 6, 2019
(Electronic) Receipt
Dec 6, 2019
Claims
Dec 6, 2019
Letter accompanying subsequently filed items
Dec 6, 2019
Reply of the patent proprietor to the notice(s) of opposition
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 8, 2019
Brief communication - Opposition proceedings
Aug 2, 2019
(Electronic) Receipt
Aug 2, 2019
Citation in opposition procedure - 007
Aug 2, 2019
Letter accompanying subsequently filed items
Aug 2, 2019
Letter regarding the opposition procedure (no time limit)
Aug 1, 2019
Brief communication - Opposition proceedings
Aug 1, 2019
Communication of a notice of opposition and request to file observations
Aug 1, 2019
Notice of further oppositions to opponent(s)
Aug 1, 2019
Notice of further oppositions to opponent(s)
Aug 1, 2019
Notice of further oppositions to opponent(s)
Aug 1, 2019
Request for documents
Jul 25, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 22, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 22, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
Any annexes (other than citation) to an opposition letter
Jul 17, 2019
Citation in opposition procedure
Jul 17, 2019
Citation in opposition procedure - 005
Jul 17, 2019
Citation in opposition procedure - 006
Jul 17, 2019
Citation in opposition procedure - 008
Jul 17, 2019
Citation in opposition procedure - 009
Jul 17, 2019
Letter accompanying subsequently filed items
Jul 17, 2019
Non-patent literature cited during the opposition procedure
Jul 17, 2019
Non-patent literature cited during the opposition procedure
Jul 17, 2019
Notice of opposition
Jul 17, 2019
Notice of opposition
Jul 17, 2019
Notice of opposition
Jul 17, 2019
Patent document cited during the opposition procedure
Jul 17, 2019
Patent document cited during the opposition procedure
Jul 15, 2019
(Electronic) Receipt
Jul 15, 2019
Any annexes (other than citation) to an opposition letter
Jul 15, 2019
Citation in opposition procedure - 001
Jul 15, 2019
Citation in opposition procedure - 002
Jul 15, 2019
Citation in opposition procedure - 003
Jul 15, 2019
Citation in opposition procedure - 004
Jul 15, 2019
Notice of opposition
Jul 15, 2019
Notice of opposition
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 5, 2018
(Electronic) Receipt
Sep 5, 2018
Filing of the translations of the claims
Sep 5, 2018
French translation of claims
Sep 5, 2018
German translation of the claims
Sep 5, 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)
Jun 5, 2018
Examination started
Jun 19, 2017
Amended description filed after receipt of (European) search report
Jun 19, 2017
Amendments received before examination
Jun 12, 2017
Amended description filed after receipt of (European) search report
Jun 12, 2017
Amendments received before examination
Feb 8, 2017
Notification on forthcoming publication of bibliographic data
Dec 9, 2016
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Dec 5, 2016
Communication to designated inventor
Dec 5, 2016
Communication to designated inventor
Dec 3, 2016
Priority search results copy provided by EPO
Nov 25, 2016
(Electronic) Receipt
Nov 25, 2016
Request for entry into the European phase
Nov 8, 2016
Annexes to the international preliminary examination report
Nov 8, 2016
Copy of the international preliminary examination report
Sep 9, 2016
Information on entry into European phase
Jul 15, 2016
Free text
Jun 24, 2016
Annex to International preliminary examination report
Jun 24, 2016
International preliminary examination report - free text sheet
Jun 24, 2016
International preliminary examination report - points I-VIII
Jun 24, 2016
Transmittal of International Preliminary Examination Report
Jun 21, 2016
International preliminary examination report
Jun 17, 2016
Letter regarding PCTII procedure
Jun 14, 2016
Fax filed during the PCT2 procedure
May 12, 2016
Annex to International preliminary examination report
May 12, 2016
International preliminary examination report
May 12, 2016
International preliminary examination report - free text sheet
May 12, 2016
International preliminary examination report - points I-VIII
May 12, 2016
Transmittal of International Preliminary Examination Report
Apr 21, 2016
PCT(IPEA): Amended sheet - claims
Apr 21, 2016
PCT(IPEA): Amended sheet - claims
Apr 21, 2016
Reply to International Search Opinion
Apr 11, 2016
PCT(IPEA): Amended sheet - claims
Apr 11, 2016
PCT(IPEA): Amended sheet - claims
Apr 11, 2016
Reply to International Search Opinion
Mar 9, 2016
Invitation to submit amendments (PCT)
Mar 8, 2016
Letter regarding PCTII procedure
Feb 26, 2016
Fax filed during the PCT2 procedure
Nov 23, 2015
Priority document (electronically transmitted)
Nov 10, 2015
Notification of election of EPO
Nov 5, 2015
Copy of the international search report
Nov 5, 2015
Published international application - A1
Sep 4, 2015
Document concerning fees and payments
Sep 4, 2015
PCT demand form
Sep 3, 2015
Notification of receipt of demand
Aug 24, 2015
Document concerning fees and payments
Aug 24, 2015
PCT demand form
Aug 24, 2015
Payment of fees and costs
Jul 9, 2015
Written opinion of the ISA, boxes No. I to VIII
Jul 9, 2015
Written opinion of the ISA, cover sheet
Jul 9, 2015
Written opinion of the ISA, supplemental box
Apr 16, 2015
(Electronic) Receipt
Apr 16, 2015
Abstract
Apr 16, 2015
Claims
Apr 16, 2015
Description
Apr 16, 2015
Drawings
Apr 16, 2015
Priority document (RO-procedure)

EP3137448

CASALE

Application Number: EP15719993A
Filing Date: Apr 16, 2015
Status: Patent Maintained As Amended; Jan 21, 2022
Publication Date: Feb 23, 2022
External Links: Slate, Register , Google Patents

IP Verse

Process And Plant For The Synthesis Of Urea And Melamine

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP3137448