Duplex Stainless Steel And Use Thereof

Patent No. EP3325676 (titled "Duplex Stainless Steel And Use Thereof") was filed by Stamicarbon on Jul 20, 2016. The application was issued on Dec 18, 2019.

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	Sep 18, 2020	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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Nov 16, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Nov 16, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Nov 11, 2022
Termination of the opposition proceedings with maintenance of patent
Aug 2, 2022
Advice of delivery
Aug 2, 2022
Annex to the communication - opposition
Aug 2, 2022
Decision of the Opposition Division and instruction
Aug 2, 2022
Decision of the Opposition Division and instruction
Aug 2, 2022
Decision rejecting the opposition
Aug 2, 2022
Decision rejecting the opposition
Aug 2, 2022
Grounds for the decision (Annex) - opposition
Aug 2, 2022
Means of redress
Aug 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 2, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 2, 2022
Provision of a copy of the minutes - opposition procedure
Aug 2, 2022
Provision of a copy of the minutes - opposition procedure
Aug 2, 2022
Transmittal of decision / summons - opposition
Aug 2, 2022
Transmittal of decision / summons - opposition
Mar 15, 2022
Information about the result of oral proceedings
Feb 7, 2022
(Electronic) Receipt
Feb 7, 2022
Letter accompanying subsequently filed items
Feb 7, 2022
Request for interpreters during oral proceedings
Jan 21, 2022
Brief communication - Opposition proceedings
Jan 21, 2022
Brief communication - Opposition proceedings
Jan 14, 2022
(Electronic) Receipt
Jan 14, 2022
Letter accompanying subsequently filed items
Jan 14, 2022
Written submission in preparation to/during oral proceedings
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Citation in opposition procedure - 009
Jan 13, 2022
Consolidated list of cited opposition documents
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Written submission in preparation to/during oral proceedings
Jan 10, 2022
(Electronic) Receipt
Dec 23, 2021
Notification concerning the date of oral proceedings
Dec 23, 2021
Notification concerning the date of oral proceedings
Jul 9, 2021
Advice of delivery
Jul 9, 2021
Advice of delivery
Jul 5, 2021
Annex to the communication - opposition
Jul 5, 2021
Information concerning oral proceedings
Jul 5, 2021
Summons to attend oral proceedings
Jul 5, 2021
Summons to attend oral proceedings
Jul 5, 2021
Transmittal of decision / summons - opposition
Jul 5, 2021
Transmittal of decision / summons - opposition
Feb 15, 2021
Brief communication - Opposition proceedings
Feb 10, 2021
(Electronic) Receipt
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure
Feb 10, 2021
Auxiliary request during Opposition procedure - 01
Feb 10, 2021
Auxiliary request during Opposition procedure - 02
Feb 10, 2021
Auxiliary request during Opposition procedure - 03
Feb 10, 2021
Auxiliary request during Opposition procedure - 04
Feb 10, 2021
Auxiliary request during Opposition procedure - 05
Feb 10, 2021
Auxiliary request during Opposition procedure - 06
Feb 10, 2021
Auxiliary request during Opposition procedure - 07
Feb 10, 2021
Citation in opposition procedure - 008
Feb 10, 2021
Letter accompanying subsequently filed items
Feb 10, 2021
Main request during Opposition procedure
Feb 10, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 2, 2020
Communication of a notice of opposition and request to file observations
Oct 2, 2020
Notice of further oppositions to opponent(s)
Sep 24, 2020
Communication of a notice of opposition - first information to patent proprietor
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
Citation in opposition procedure - 001
Sep 18, 2020
Citation in opposition procedure - 002
Sep 18, 2020
Citation in opposition procedure - 003
Sep 18, 2020
Citation in opposition procedure - 004
Sep 18, 2020
Citation in opposition procedure - 005
Sep 18, 2020
Citation in opposition procedure - 006
Sep 18, 2020
Citation in opposition procedure - 007
Sep 18, 2020
Notice of opposition
Sep 18, 2020
Notice of opposition
Sep 18, 2020
Priority document
Sep 18, 2020
Priority document
Jan 2, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 21, 2019
Decision to grant a European patent
Nov 4, 2019
Bibliographic data of the European patent application
Nov 4, 2019
Information about intention to grant a patent
Nov 4, 2019
Intention to grant (signatures)
Nov 4, 2019
Text intended for grant (clean copy)
Nov 4, 2019
Text intended for grant (version for approval)
Oct 1, 2019
(Electronic) Receipt
Oct 1, 2019
Amended claims with annotations
Oct 1, 2019
Claims
Oct 1, 2019
French translation of claims
Oct 1, 2019
German translation of the claims
Oct 1, 2019
Letter accompanying subsequently filed items
Oct 1, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
May 28, 2019
Bibliographic data of the European patent application
May 28, 2019
Communication about intention to grant a European patent
May 28, 2019
Intention to grant (signatures)
May 28, 2019
Text intended for grant (clean copy)
May 28, 2019
Text intended for grant (version for approval)
Mar 29, 2019
(Electronic) Receipt
Mar 29, 2019
Amended description with annotations
Mar 29, 2019
Description
Mar 29, 2019
Letter accompanying subsequently filed items
Mar 29, 2019
Reply to communication from the Examining Division
Mar 15, 2019
Annex to the communication
Mar 15, 2019
Consultation by telephone/in person (with time limit)
Mar 15, 2019
Result of consultation by telephone/in person
Feb 26, 2019
(Electronic) Receipt
Feb 26, 2019
Amended claims with annotations
Feb 26, 2019
Claims
Feb 26, 2019
Letter accompanying subsequently filed items
Feb 26, 2019
Reply to communication from the Examining Division
Dec 14, 2018
Annex to the communication
Dec 14, 2018
Communication from the Examining Division
Dec 10, 2018
Examination started
Jul 9, 2018
(Electronic) Receipt
Jul 9, 2018
Letter accompanying subsequently filed items
Jul 9, 2018
Reply to Written Opinion prepared by the EPO
May 3, 2018
Notification on forthcoming publication of bibliographic data
Apr 25, 2018
Invitation to indicate correct address of inventor
Apr 18, 2018
Letter which had not been notified
Feb 28, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Feb 23, 2018
Communication to designated inventor
Feb 23, 2018
Communication to designated inventor
Feb 23, 2018
Communication to designated inventor
Feb 23, 2018
Communication to designated inventor
Feb 23, 2018
Communication to designated inventor
Feb 21, 2018
Priority search results copy provided by EPO
Feb 13, 2018
(Electronic) Receipt
Feb 13, 2018
Request for entry into the European phase
Feb 5, 2018
Copy of the international preliminary report on patentability
Dec 4, 2017
Information on entry into European phase
Feb 15, 2017
Priority document (electronically transmitted)
Jan 26, 2017
Copy of the international search report
Jan 26, 2017
Published international application - A1
Oct 17, 2016
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Oct 10, 2016
ISR: cited documents
Oct 7, 2016
Written opinion of the ISA, boxes No. I to VIII
Oct 7, 2016
Written opinion of the ISA, cover sheet
Oct 7, 2016
Written opinion of the ISA, supplemental box
Sep 9, 2016
Notification of receipt of Search copy
Aug 18, 2016
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Aug 18, 2016
Request form for international application (copy for ISA/EP)
Jul 20, 2016
Abstract
Jul 20, 2016
Claims
Jul 20, 2016
Description
Jul 20, 2016
Incoming communication concerning PCT Direct

EP3325676

STAMICARBON

Application Number: EP16757366A
Filing Date: Jul 20, 2016
Status: Opposition Rejected; Dec 16, 2022
Publication Date: Dec 18, 2019
External Links: Slate, Register , Google Patents

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Duplex Stainless Steel And Use Thereof

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Dossier Documents

EP3325676