Urea Production With Bi-Pressurized Synthesis

Patent No. EP3436430 (titled "Urea Production With Bi-Pressurized Synthesis") was filed by Stamicarbon on Mar 30, 2017. The application was issued on Sep 16, 2020.

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
CASALE	Jun 14, 2021	M ZARDI

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 12, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jan 12, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 9, 2023
Termination of the opposition proceedings with maintenance of patent
Sep 29, 2022
Advice of delivery
Sep 28, 2022
Annex to the communication - opposition
Sep 28, 2022
Decision of the Opposition Division and instruction
Sep 28, 2022
Decision rejecting the opposition
Sep 28, 2022
Decision rejecting the opposition
Sep 28, 2022
Grounds for the decision (Annex) - opposition
Sep 28, 2022
Means of redress
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 28, 2022
Provision of a copy of the minutes - opposition procedure
Sep 28, 2022
Provision of a copy of the minutes - opposition procedure
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 6, 2022
Information about the result of oral proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 6, 2022
(Electronic) Receipt
Jul 6, 2022
(Electronic) Receipt
Jul 6, 2022
Auxiliary request during Opposition procedure
Jul 6, 2022
Auxiliary request during Opposition procedure
Jul 6, 2022
Auxiliary request during Opposition procedure
Jul 6, 2022
Auxiliary request during Opposition procedure
Jul 6, 2022
Auxiliary request during Opposition procedure
Jul 6, 2022
Auxiliary request during Opposition procedure - 07
Jul 6, 2022
Auxiliary request during Opposition procedure - 08
Jul 6, 2022
Auxiliary request during Opposition procedure - 09
Jul 6, 2022
Auxiliary request during Opposition procedure - 10
Jul 6, 2022
Auxiliary request during Opposition procedure - 11
Jul 6, 2022
Letter accompanying subsequently filed items
Jul 6, 2022
Request for interpreters during oral proceedings
Jul 6, 2022
Written submission in preparation to/during oral proceedings
Jul 6, 2022
Written submission in preparation to/during oral proceedings
Apr 28, 2022
Notification concerning the date of oral proceedings
Apr 28, 2022
Notification concerning the date of oral proceedings
Feb 15, 2022
Advice of delivery
Feb 15, 2022
Advice of delivery
Feb 15, 2022
Annex to the communication - opposition
Feb 15, 2022
Information concerning oral proceedings
Feb 15, 2022
Summons to attend oral proceedings
Feb 15, 2022
Summons to attend oral proceedings
Feb 15, 2022
Transmittal of decision / summons - opposition
Feb 15, 2022
Transmittal of decision / summons - opposition
Nov 19, 2021
Brief communication - Opposition proceedings
Nov 19, 2021
Brief communication - Opposition proceedings
Nov 15, 2021
Brief communication - Opposition proceedings
Nov 10, 2021
(Electronic) Receipt
Nov 10, 2021
(Electronic) Receipt
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure
Nov 10, 2021
Auxiliary request during Opposition procedure - 01
Nov 10, 2021
Auxiliary request during Opposition procedure - 02
Nov 10, 2021
Auxiliary request during Opposition procedure - 03
Nov 10, 2021
Auxiliary request during Opposition procedure - 04
Nov 10, 2021
Auxiliary request during Opposition procedure - 05
Nov 10, 2021
Auxiliary request during Opposition procedure - 06
Nov 10, 2021
Auxiliary request during Opposition procedure - 07
Nov 10, 2021
Letter accompanying subsequently filed items
Nov 10, 2021
Letter accompanying subsequently filed items
Nov 10, 2021
Letter regarding the opposition procedure (no time limit)
Nov 10, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 30, 2021
Communication of a notice of opposition and request to file observations
Jun 30, 2021
Notice of further oppositions to opponent(s)
Jun 18, 2021
Communication of a notice of opposition - first information to patent proprietor
Jun 14, 2021
(Electronic) Receipt
Jun 14, 2021
Citation in opposition procedure - 001
Jun 14, 2021
Citation in opposition procedure - 002
Jun 14, 2021
Citation in opposition procedure - 002
Jun 14, 2021
Citation in opposition procedure - 003
Jun 14, 2021
Citation in opposition procedure - 004
Jun 14, 2021
Citation in opposition procedure - 005
Jun 14, 2021
Citation in opposition procedure - 006
Jun 14, 2021
Consolidated list of cited opposition documents
Jun 14, 2021
Notice of opposition
Jun 14, 2021
Notice of opposition
Sep 28, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 20, 2020
Decision to grant a European patent
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Filing of the translations of the claims
Aug 7, 2020
French translation of claims
Aug 7, 2020
German translation of the claims
Apr 24, 2020
Bibliographic data of the European patent application
Apr 24, 2020
Communication about intention to grant a European patent
Apr 24, 2020
Intention to grant (signatures)
Apr 24, 2020
Text intended for grant (clean copy)
Apr 24, 2020
Text intended for grant (version for approval)
Dec 13, 2019
(Electronic) Receipt
Dec 13, 2019
Amended description with annotations
Dec 13, 2019
Description
Dec 13, 2019
Letter accompanying subsequently filed items
Dec 13, 2019
Reply to communication from the Examining Division
Oct 22, 2019
Annex to the communication
Oct 22, 2019
Communication from the Examining Division
Oct 16, 2019
Examination started
May 14, 2019
(Electronic) Receipt
May 14, 2019
Amended claims filed after receipt of (European) search report
May 14, 2019
Amended claims with annotations
May 14, 2019
Amendments received before examination
May 14, 2019
Letter accompanying subsequently filed items
Jan 9, 2019
Notification on forthcoming publication of bibliographic data
Nov 14, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 7, 2018
Priority search results copy provided by EPO
Nov 5, 2018
Communication to designated inventor
Nov 5, 2018
Communication to designated inventor
Nov 5, 2018
Communication to designated inventor
Oct 16, 2018
Copy of the international preliminary report on patentability
Oct 4, 2018
(Electronic) Receipt
Oct 4, 2018
Request for entry into the European phase
Aug 10, 2018
Information on entry into European phase
Oct 25, 2017
Priority document (electronically transmitted)
Oct 5, 2017
Copy of the international search report
Oct 5, 2017
Published international application - A1
Jun 6, 2017
ISR: cited documents
Jun 2, 2017
Written opinion of the ISA, boxes No. I to VIII
Jun 2, 2017
Written opinion of the ISA, cover sheet
Jun 2, 2017
Written opinion of the ISA, supplemental box
May 15, 2017
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
May 3, 2017
Notification of receipt of Search copy
Apr 25, 2017
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Apr 25, 2017
Request form for international application (copy for ISA/EP)
Mar 30, 2017
Abstract
Mar 30, 2017
Claims
Mar 30, 2017
Description
Mar 30, 2017
Drawings
Mar 30, 2017
Incoming communication concerning PCT Direct

EP3436430

STAMICARBON

Application Number: EP17718144A
Filing Date: Mar 30, 2017
Status: Opposition Rejected; Jan 13, 2023
Publication Date: Sep 16, 2020
External Links: Slate, Register , Google Patents

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Urea Production With Bi-Pressurized Synthesis

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Dossier Documents

EP3436430