Urea Finishing Process With Acid Scrubbing

Patent No. EP3218355 (titled "Urea Finishing Process With Acid Scrubbing") was filed by Casale on Aug 31, 2015. The application was issued on Oct 10, 2018.

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
YARA ASA	Jul 9, 2019	PAPPAERT

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 25, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Jan 25, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 20, 2022
Termination of the opposition proceedings with maintenance of patent
Oct 15, 2021
Advice of delivery
Oct 13, 2021
Advice of delivery
Oct 11, 2021
Annex to the communication - opposition
Oct 11, 2021
Decision of the Opposition Division and instruction
Oct 11, 2021
Decision rejecting the opposition
Oct 11, 2021
Decision rejecting the opposition
Oct 11, 2021
Grounds for the decision (Annex) - opposition
Oct 11, 2021
Means of redress
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 11, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 11, 2021
Provision of a copy of the minutes - opposition procedure
Oct 11, 2021
Provision of a copy of the minutes - opposition procedure
Oct 11, 2021
Transmittal of decision / summons - opposition
Oct 11, 2021
Transmittal of decision / summons - opposition
Sep 13, 2021
Information about the result of oral proceedings
Jul 19, 2021
Brief communication - Opposition proceedings
Jul 16, 2021
Brief communication - Opposition proceedings
Jul 13, 2021
(Electronic) Receipt
Jul 13, 2021
(Electronic) Receipt
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure
Jul 13, 2021
Auxiliary request during Opposition procedure - 01
Jul 13, 2021
Auxiliary request during Opposition procedure - 02
Jul 13, 2021
Auxiliary request during Opposition procedure - 03
Jul 13, 2021
Auxiliary request during Opposition procedure - 04
Jul 13, 2021
Auxiliary request during Opposition procedure - 05
Jul 13, 2021
Auxiliary request during Opposition procedure - 06
Jul 13, 2021
Auxiliary request during Opposition procedure - 07
Jul 13, 2021
Auxiliary request during Opposition procedure - 08
Jul 13, 2021
Auxiliary request during Opposition procedure - 09
Jul 13, 2021
Letter accompanying subsequently filed items
Jul 13, 2021
Letter accompanying subsequently filed items
Jul 13, 2021
Written submission in preparation to/during oral proceedings
Jul 13, 2021
Written submission in preparation to/during oral proceedings
Jul 8, 2021
Brief communication - Opposition proceedings
Jul 5, 2021
(Electronic) Receipt
Jul 5, 2021
Letter accompanying subsequently filed items
May 7, 2021
Notification concerning the date of oral proceedings
May 7, 2021
Notification concerning the date of oral proceedings
Sep 24, 2020
Advice of delivery
Sep 22, 2020
(Electronic) Receipt
Sep 22, 2020
Advice of delivery
Sep 22, 2020
Letter accompanying subsequently filed items
Sep 18, 2020
Acknowledgement of a document
Sep 18, 2020
Acknowledgement of a document
Sep 18, 2020
Annex to the communication - opposition
Sep 18, 2020
Summons to attend oral proceedings
Sep 18, 2020
Summons to attend oral proceedings
Aug 26, 2020
Notification concerning the date of oral proceedings
Aug 26, 2020
Notification concerning the date of oral proceedings
Aug 24, 2020
Brief communication - Opposition proceedings
Aug 24, 2020
Brief communication - Opposition proceedings
Aug 11, 2020
(Electronic) Receipt
Aug 11, 2020
(Electronic) Receipt
Aug 11, 2020
Citation in opposition procedure - 006
Aug 11, 2020
Consolidated list of cited opposition documents
Aug 11, 2020
Letter accompanying subsequently filed items
Aug 11, 2020
Letter accompanying subsequently filed items
Aug 11, 2020
Oral proceedings: reply to date proposed
Aug 11, 2020
Oral proceedings: reply to date proposed
Aug 11, 2020
Written submission in preparation to/during oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
Jul 13, 2020
Notification concerning the date of oral proceedings
May 13, 2020
Communication of amended entries concerning the representative
May 7, 2020
Submission concerning change of proprietor's representative
Mar 11, 2020
Advice of delivery
Mar 9, 2020
Advice of delivery
Mar 5, 2020
Acknowledgement of a document
Mar 5, 2020
Acknowledgement of a document
Mar 5, 2020
Annex to the communication - opposition
Mar 5, 2020
Information concerning oral proceedings
Mar 5, 2020
Summons to attend oral proceedings
Mar 5, 2020
Summons to attend oral proceedings
Dec 10, 2019
Brief communication - Opposition proceedings
Dec 9, 2019
Reply of the patent proprietor to the notice(s) of opposition
Dec 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jul 25, 2019
Communication of a notice of opposition and request to file observations
Jul 25, 2019
Notice of further oppositions to opponent(s)
Jul 15, 2019
Communication of a notice of opposition - first information to patent proprietor
Jul 9, 2019
(Electronic) Receipt
Jul 9, 2019
Authorisation
Jul 9, 2019
Citation in opposition procedure - 001
Jul 9, 2019
Citation in opposition procedure - 002
Jul 9, 2019
Citation in opposition procedure - 003
Jul 9, 2019
Citation in opposition procedure - 004
Jul 9, 2019
Citation in opposition procedure - 005
Jul 9, 2019
Notice of opposition
Jul 9, 2019
Notice of opposition
Jul 9, 2019
Notice of opposition
Oct 22, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 13, 2018
Decision to grant a European patent
Aug 27, 2018
(Electronic) Receipt
Aug 27, 2018
Filing of the translations of the claims
Aug 27, 2018
French translation of claims
Aug 27, 2018
German translation of the claims
Aug 27, 2018
Letter accompanying subsequently filed items
Jul 20, 2018
Bibliographic data of the European patent application
Jul 20, 2018
Communication about intention to grant a European patent
Jul 20, 2018
Intention to grant (signatures)
Jul 20, 2018
Text intended for grant (clean copy)
Jul 20, 2018
Text intended for grant (version for approval)
Jun 21, 2018
Examination started
Jan 9, 2018
Amended description filed after receipt of (European) search report
Jan 9, 2018
Amendments received before examination
Dec 20, 2017
Amended description filed after receipt of (European) search report
Dec 20, 2017
Amendments received before examination
Aug 23, 2017
Notification on forthcoming publication of bibliographic data
Jun 21, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jun 19, 2017
Communication to designated inventor
Jun 19, 2017
Communication to designated inventor
Jun 13, 2017
Priority search results copy provided by EPO
May 31, 2017
Copy of the international preliminary report on patentability
May 8, 2017
(Electronic) Receipt
May 8, 2017
Request for entry into the European phase
Mar 24, 2017
Information on entry into European phase
Jun 7, 2016
Priority document (electronically transmitted)
May 19, 2016
Copy of the international search report
May 19, 2016
Published international application - A1
Nov 25, 2015
Notification of refund of search fee
Nov 3, 2015
Written opinion of the ISA, boxes No. I to VIII
Nov 3, 2015
Written opinion of the ISA, cover sheet
Nov 3, 2015
Written opinion of the ISA, supplemental box
Sep 7, 2015
Notification of the international application number and of the international filing date
Aug 31, 2015
(Electronic) Receipt
Aug 31, 2015
Abstract
Aug 31, 2015
Claims
Aug 31, 2015
Description
Aug 31, 2015
Document concerning fees and payments
Aug 31, 2015
Drawings
Aug 31, 2015
Electronic request for grant of an International application
Aug 31, 2015
Priority document (RO-procedure)

EP3218355

CASALE

Application Number: EP15756173A
Filing Date: Aug 31, 2015
Status: Opposition Rejected; Jan 21, 2022
Publication Date: Oct 10, 2018
External Links: Slate, Register , Google Patents

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Urea Finishing Process With Acid Scrubbing

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Dossier Documents

EP3218355