Urea Production Plant And Scrubbing System

Patent No. EP3784639 (titled "Urea Production Plant And Scrubbing System") was filed by Thyssenkrupp on Apr 12, 2019. The application was issued on Oct 29, 2025.

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	Jul 28, 2026	VO

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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Sep 3, 2026
Brief communication - Opposition proceedings
Sep 3, 2026
Communication of amended entries concerning the representative
Sep 1, 2026
Communication concerning the filing of a power of attorney
Aug 31, 2026
(Electronic) Receipt
Aug 31, 2026
Letter accompanying subsequently filed items
Aug 31, 2026
Submission concerning change of proprietor's representative
Aug 10, 2026
Communication of a notice of opposition and request to file observations
Aug 10, 2026
Notice of further oppositions to opponent(s)
Jul 31, 2026
Communication of a notice of opposition - first information to patent proprietor
Jul 28, 2026
(Electronic) Receipt
Jul 28, 2026
Citation in opposition procedure - 001
Jul 28, 2026
Citation in opposition procedure - 002
Jul 28, 2026
Citation in opposition procedure - 003
Jul 28, 2026
Citation in opposition procedure - 004
Jul 28, 2026
Citation in opposition procedure - 005
Jul 28, 2026
Citation in opposition procedure - 005
Jul 28, 2026
Citation in opposition procedure - 006
Jul 28, 2026
Citation in opposition procedure - 007
Jul 28, 2026
Consolidated list of cited opposition documents
Jul 28, 2026
Notice of opposition
Jul 28, 2026
Notice of opposition
Nov 11, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 2, 2025
Decision to grant a European patent
Sep 19, 2025
(Electronic) Receipt
Sep 19, 2025
Filing of the translations of the claims
Sep 19, 2025
French translation of claims
Sep 19, 2025
German translation of the claims
Aug 26, 2025
Communication of amended entries concerning the representative
Aug 19, 2025
(Electronic) Receipt
Aug 19, 2025
Letter accompanying subsequently filed items
Aug 19, 2025
Submission concerning change of applicant's representative
Aug 1, 2025
Notification of termination of representative's authorisation
Jul 30, 2025
Communication confirming withdrawal from representation
Jul 24, 2025
(Electronic) Receipt
Jul 24, 2025
Letter accompanying subsequently filed items
Jul 24, 2025
Submission concerning change of applicant's representative
Jun 23, 2025
Communication of the registration of a transfer or change of name and/or address
Jun 13, 2025
(Electronic) Receipt
Jun 13, 2025
Annexes in respect of a client data request
Jun 13, 2025
Letter accompanying subsequently filed items
Jun 13, 2025
Submission concerning change of applicant's name
May 30, 2025
Annex to the communication about intention to grant a European patent
May 30, 2025
Bibliographic data of the European patent application
May 30, 2025
Communication about intention to grant a European patent
May 30, 2025
Intention to grant (signatures)
May 30, 2025
Text intended for grant (clean copy)
May 30, 2025
Text intended for grant (version for approval)
May 27, 2025
Annex to a communication
May 27, 2025
Annex to a communication
May 27, 2025
Annex to a communication
May 27, 2025
Annex to the communication
May 27, 2025
Minutes of the oral proceedings (examining division)
May 27, 2025
Minutes of the oral proceedings (examining division)
May 27, 2025
Provision of a copy of the minutes of oral proceedings
Apr 14, 2025
Notification concerning the date of oral proceedings
Apr 9, 2025
(Electronic) Receipt
Apr 9, 2025
Amended claims with annotations
Apr 9, 2025
Amended claims with annotations
Apr 9, 2025
Amended claims with annotations
Apr 9, 2025
Amended claims with annotations
Apr 9, 2025
Amended description with annotations
Apr 9, 2025
Amended description with annotations
Apr 9, 2025
Amended description with annotations
Apr 9, 2025
Amended description with annotations
Apr 9, 2025
Amended description with annotations
Apr 9, 2025
Claims
Apr 9, 2025
Claims
Apr 9, 2025
Claims
Apr 9, 2025
Claims
Apr 9, 2025
Claims
Apr 9, 2025
Description
Apr 9, 2025
Description
Apr 9, 2025
Description
Apr 9, 2025
Description
Apr 9, 2025
Description
Apr 9, 2025
Letter accompanying subsequently filed items
Apr 9, 2025
Letter dealing with oral proceedings
Nov 27, 2024
Communication confirming withdrawal from representation
Nov 27, 2024
Communication of amended entries concerning the representative
Nov 21, 2024
(Electronic) Receipt
Nov 21, 2024
Letter accompanying subsequently filed items
Nov 21, 2024
Submission concerning change of applicant's representative
Nov 19, 2024
(Electronic) Receipt
Nov 19, 2024
Letter accompanying subsequently filed items
Nov 19, 2024
Submission concerning change of applicant's representative
Oct 15, 2024
Annex to the communication
Oct 15, 2024
Summons to attend oral proceedings
Jan 3, 2024
(Electronic) Receipt
Jan 3, 2024
Letter accompanying subsequently filed items
Jan 3, 2024
Reply to communication from the Examining Division
Nov 8, 2023
Grant of extension of time limit (examination procedure)
Nov 3, 2023
(Electronic) Receipt
Nov 3, 2023
Letter accompanying subsequently filed items
Nov 3, 2023
Request for extension of time limit to communication from the Examining Division
Jul 6, 2023
Annex to the communication
Jul 6, 2023
Communication from the Examining Division
May 17, 2022
(Electronic) Receipt
May 17, 2022
Amended claims with annotations
May 17, 2022
Claims
May 17, 2022
Letter accompanying subsequently filed items
May 17, 2022
Reply to communication from the Examining Division
Apr 8, 2022
Grant of extension of time limit (examination procedure)
Apr 5, 2022
(Electronic) Receipt
Apr 5, 2022
Letter accompanying subsequently filed items
Apr 5, 2022
Request for extension of time limit to communication from the Examining Division
Nov 25, 2021
Annex to the communication
Nov 25, 2021
Communication from the Examining Division
Nov 18, 2021
Examination started
Jun 7, 2021
Confirmation of revocation of automatic debit order
Jun 1, 2021
Letter relating to the automatic debiting procedure
Feb 3, 2021
Notification on forthcoming publication of bibliographic data
Dec 2, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Nov 30, 2020
Communication to designated inventor
Nov 30, 2020
Communication to designated inventor
Nov 30, 2020
Communication to designated inventor
Nov 25, 2020
Priority search results copy provided by EPO
Nov 9, 2020
Copy of the international preliminary report on patentability
Oct 14, 2020
(Electronic) Receipt
Oct 14, 2020
Priority search results
Oct 14, 2020
Request for entry into the European phase
Sep 4, 2020
Information on entry into European phase
Nov 19, 2019
Priority document (electronically transmitted)
Oct 31, 2019
Copy of the international search report
Oct 31, 2019
Published international application - A1
Apr 18, 2019
Notification of the international application number and of the international filing date
Apr 12, 2019
(Electronic) Receipt
Apr 12, 2019
Abstract
Apr 12, 2019
Claims
Apr 12, 2019
Description
Apr 12, 2019
Document concerning fees and payments
Apr 12, 2019
Drawings
Apr 12, 2019
Electronic request for grant of an International application
Apr 12, 2019
Priority document (RO-procedure)

EP3784639

THYSSENKRUPP

Application Number: EP19716200A
Filing Date: Apr 12, 2019
Status: Granted And Under Opposition; Sep 26, 2025
Publication Date: Oct 29, 2025
External Links: Slate, Register , Google Patents

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Urea Production Plant And Scrubbing System

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Dossier Documents

EP3784639