Coated Extrusion Die

Patent No. EP2682500 (titled "Coated Extrusion Die") was filed by Wefa Singen on Dec 29, 2011. The application was issued on Aug 19, 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
IHI IONBOND	May 19, 2021	HOFFMANN EITLE

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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Mar 19, 2025
Refund of fees
Mar 11, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 11, 2025
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 3, 2025
Amended claims with annotations
Mar 3, 2025
Amended claims with annotations
Mar 3, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 3, 2025
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Feb 26, 2025
(Electronic) Receipt
Feb 26, 2025
F3345 Forwarding of submissions to parties
Feb 26, 2025
Letter dealing with oral proceedings during the appeal procedure
Feb 26, 2025
Written submission in preparation to/during oral proceedings
Feb 14, 2025
F3345 Forwarding of submissions to parties
Feb 7, 2025
(Electronic) Receipt
Feb 7, 2025
Letter accompanying subsequently filed items
Feb 7, 2025
Oral proceedings: reply to date proposed
Feb 5, 2025
F3345 Forwarding of submissions to parties
Feb 4, 2025
(Electronic) Receipt
Feb 4, 2025
Letter accompanying subsequently filed items
Feb 4, 2025
Oral proceedings: reply to date proposed
Jan 28, 2025
(Electronic) Receipt
Jan 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 28, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 28, 2025
F3345 Forwarding of submissions to parties
Jan 28, 2025
Letter accompanying subsequently filed items
Jan 28, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 27, 2025
(Electronic) Receipt
Jan 27, 2025
F3345 Forwarding of submissions to parties
Jan 27, 2025
Letter accompanying subsequently filed items
Jan 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 24, 2025
(Electronic) Receipt
Jan 24, 2025
F3345 Forwarding of submissions to parties
Jan 24, 2025
Letter accompanying subsequently filed items
Jan 24, 2025
Request for interpreters during oral proceedings
Oct 8, 2024
F3345 Forwarding of submissions to parties
Oct 1, 2024
(Electronic) Receipt
Oct 1, 2024
Letter accompanying subsequently filed items
Oct 1, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 2, 2024
F3345 Forwarding of submissions to parties
Jul 30, 2024
(Electronic) Receipt
Jul 30, 2024
F3345 Forwarding of submissions to parties
Jul 30, 2024
Letter accompanying subsequently filed items
Jul 30, 2024
Oral proceedings: reply to date proposed
Jul 25, 2024
(Electronic) Receipt
Jul 25, 2024
Letter accompanying subsequently filed items
Jul 25, 2024
Oral proceedings: reply to date proposed
Jul 1, 2024
F3011.1 Oral Proceedings: summons
Jul 1, 2024
F3011.1 Oral Proceedings: summons
Jul 1, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 26, 2024
F3010 Oral proceedings: order for summons
Apr 26, 2024
F3345 Forwarding of submissions to parties
Apr 23, 2024
(Electronic) Receipt
Apr 23, 2024
Letter accompanying subsequently filed items
Apr 23, 2024
Letter relating to Appeal Procedure
Mar 11, 2024
Communication concerning the filing of a power of attorney
Mar 11, 2024
Communication of amended entries concerning the representative
Mar 11, 2024
F3345 Forwarding of submissions to parties
Mar 11, 2024
F3345 Forwarding of submissions to parties
Mar 5, 2024
(Electronic) Receipt
Mar 5, 2024
Authorisation
Mar 5, 2024
Letter accompanying subsequently filed items
Mar 5, 2024
Letter relating to Appeal Procedure
Mar 3, 2024
Composition of the board (T)
Aug 24, 2023
F3345 Forwarding of submissions to parties
Aug 21, 2023
(Electronic) Receipt
Aug 21, 2023
Letter accompanying subsequently filed items
Aug 21, 2023
Reply to appeal
Apr 17, 2023
Auxiliary request during appeals procedure - 01
Apr 17, 2023
Auxiliary request during appeals procedure - 02
Apr 17, 2023
Auxiliary request during appeals procedure - 03
Apr 17, 2023
Auxiliary request during appeals procedure - 04
Apr 17, 2023
Auxiliary request during appeals procedure - 05
Apr 17, 2023
Claims
Apr 17, 2023
Claims
Apr 17, 2023
Claims
Apr 17, 2023
Claims
Apr 17, 2023
Claims
Apr 17, 2023
Reply of the patent proprietor to the notice(s) of opposition
Apr 17, 2023
Statement of grounds of appeal
Apr 17, 2023
Written submission in preparation to/during oral proceedings
Apr 11, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Amended claims with annotations
Apr 3, 2023
Auxiliary request during appeals procedure - 01
Apr 3, 2023
Auxiliary request during appeals procedure - 02
Apr 3, 2023
Auxiliary request during appeals procedure - 03
Apr 3, 2023
Auxiliary request during appeals procedure - 04
Apr 3, 2023
Auxiliary request during appeals procedure - 05
Apr 3, 2023
Reply of the patent proprietor to the notice(s) of opposition
Apr 3, 2023
Statement of grounds of appeal
Apr 3, 2023
Written submission in preparation to/during oral proceedings
Feb 27, 2023
Notice of appeal
Feb 20, 2023
F3345 Forwarding of submissions to parties
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
Letter accompanying subsequently filed items
Feb 13, 2023
Letter relating to Appeal Procedure
Feb 10, 2023
F3204 Communication of the file number to the parties
Feb 10, 2023
F3204 Communication of the file number to the parties
Feb 6, 2023
(Electronic) Receipt
Feb 6, 2023
Letter accompanying subsequently filed items
Feb 6, 2023
Notice of appeal
Dec 2, 2022
Advice of delivery
Dec 2, 2022
Advice of delivery
Dec 1, 2022
Annex to the communication - opposition
Dec 1, 2022
Decision of the Opposition Division and instruction
Dec 1, 2022
Decision revoking the European patent
Dec 1, 2022
Decision revoking the European patent
Dec 1, 2022
Grounds for the decision (Annex) - opposition
Dec 1, 2022
Means of redress
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 1, 2022
Provision of a copy of the minutes - opposition procedure
Dec 1, 2022
Provision of a copy of the minutes - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Scanned annex to a communication - opposition procedure
Dec 1, 2022
Transmittal of decision / summons - opposition
Dec 1, 2022
Transmittal of decision / summons - opposition
Oct 13, 2022
Information about the result of oral proceedings
Oct 10, 2022
Brief communication - Opposition proceedings
Oct 7, 2022
(Electronic) Receipt
Oct 7, 2022
Citation in opposition procedure - 024
Oct 7, 2022
Citation in opposition procedure - 025
Oct 7, 2022
Consolidated list of cited opposition documents
Oct 7, 2022
Consolidated list of cited opposition documents
Oct 7, 2022
Letter accompanying subsequently filed items
Oct 7, 2022
Written submission in preparation to/during oral proceedings
Sep 30, 2022
(Electronic) Receipt
Sep 30, 2022
Letter accompanying subsequently filed items
Aug 22, 2022
Brief communication - Opposition proceedings
Aug 17, 2022
Brief communication - Opposition proceedings
Aug 12, 2022
(Electronic) Receipt
Aug 12, 2022
Brief communication - Opposition proceedings
Aug 12, 2022
Letter accompanying subsequently filed items
Aug 12, 2022
Request for interpreters during oral proceedings
Aug 11, 2022
(Electronic) Receipt
Aug 11, 2022
Citation in opposition procedure - 022
Aug 11, 2022
Citation in opposition procedure - 023
Aug 11, 2022
Letter accompanying subsequently filed items
Aug 11, 2022
Written submission in preparation to/during oral proceedings
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
Auxiliary request during Opposition procedure
Aug 4, 2022
Auxiliary request during Opposition procedure
Aug 4, 2022
Auxiliary request during Opposition procedure
Aug 4, 2022
Auxiliary request during Opposition procedure - 04
Aug 4, 2022
Auxiliary request during Opposition procedure - 05
Aug 4, 2022
Auxiliary request during Opposition procedure - 06
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Written submission in preparation to/during oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
May 31, 2022
Brief communication - Opposition proceedings
May 25, 2022
(Electronic) Receipt
May 25, 2022
Letter accompanying subsequently filed items
May 25, 2022
Request for interpreters during oral proceedings
Feb 23, 2022
Advice of delivery
Feb 18, 2022
Advice of delivery
Feb 17, 2022
Annex to the communication - opposition
Feb 17, 2022
Information concerning oral proceedings
Feb 17, 2022
Summons to attend oral proceedings
Feb 17, 2022
Summons to attend oral proceedings
Feb 17, 2022
Transmittal of decision / summons - opposition
Feb 17, 2022
Transmittal of decision / summons - opposition
Jan 13, 2022
Brief communication - Opposition proceedings
Jan 3, 2022
(Electronic) Receipt
Jan 3, 2022
Letter accompanying subsequently filed items
Jan 3, 2022
Letter regarding the opposition procedure (no time limit)
Oct 19, 2021
Brief communication - Opposition proceedings
Oct 14, 2021
(Electronic) Receipt
Oct 14, 2021
Auxiliary request during Opposition procedure
Oct 14, 2021
Auxiliary request during Opposition procedure
Oct 14, 2021
Auxiliary request during Opposition procedure
Oct 14, 2021
Auxiliary request during Opposition procedure - 01
Oct 14, 2021
Auxiliary request during Opposition procedure - 02
Oct 14, 2021
Auxiliary request during Opposition procedure - 03
Oct 14, 2021
Citation in opposition procedure - 020
Oct 14, 2021
Letter accompanying subsequently filed items
Oct 14, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 24, 2021
Brief communication - Opposition proceedings
Jun 4, 2021
(Electronic) Receipt
Jun 4, 2021
Citation in opposition procedure - 011
Jun 4, 2021
Communication of a notice of opposition and request to file observations
Jun 4, 2021
Letter accompanying subsequently filed items
Jun 4, 2021
Letter regarding the opposition procedure (no time limit)
Jun 4, 2021
Notice of further oppositions to opponent(s)
May 31, 2021
Request for documents
May 26, 2021
Communication of a notice of opposition - first information to patent proprietor
May 19, 2021
(Electronic) Receipt
May 19, 2021
Citation in opposition procedure
May 19, 2021
Citation in opposition procedure - 001
May 19, 2021
Citation in opposition procedure - 002
May 19, 2021
Citation in opposition procedure - 003
May 19, 2021
Citation in opposition procedure - 004
May 19, 2021
Citation in opposition procedure - 005
May 19, 2021
Citation in opposition procedure - 005
May 19, 2021
Citation in opposition procedure - 006
May 19, 2021
Citation in opposition procedure - 006
May 19, 2021
Citation in opposition procedure - 007
May 19, 2021
Citation in opposition procedure - 008
May 19, 2021
Citation in opposition procedure - 009
May 19, 2021
Citation in opposition procedure - 010
May 19, 2021
Citation in opposition procedure - 012
May 19, 2021
Citation in opposition procedure - 013
May 19, 2021
Citation in opposition procedure - 014
May 19, 2021
Citation in opposition procedure - 015
May 19, 2021
Citation in opposition procedure - 016
May 19, 2021
Citation in opposition procedure - 017
May 19, 2021
Citation in opposition procedure - 018
May 19, 2021
Citation in opposition procedure - 019
May 19, 2021
Citation in opposition procedure - 020
May 19, 2021
Notice of opposition
May 19, 2021
Notice of opposition
Feb 17, 2021
Document concerning representation
Aug 31, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 14, 2020
Document concerning representation
Jul 23, 2020
Decision to grant a European patent
Jul 9, 2020
(Electronic) Receipt
Jul 9, 2020
English translation of the claims
Jul 9, 2020
French translation of claims
Jul 9, 2020
Letter accompanying subsequently filed items
Apr 15, 2020
Annex to the communication about intention to grant a European patent
Apr 15, 2020
Bibliographic data of the European patent application
Apr 15, 2020
Communication about intention to grant a European patent
Apr 15, 2020
Intention to grant (signatures)
Apr 15, 2020
Text intended for grant (clean copy)
Apr 15, 2020
Text intended for grant (version for approval)
Sep 24, 2018
Amended claims with annotations
Sep 24, 2018
Annex
Sep 24, 2018
Claims
Sep 24, 2018
Reply to communication from the Examining Division
Sep 18, 2018
Amended claims with annotations
Sep 18, 2018
Annex
Sep 18, 2018
Claims
Sep 18, 2018
Reply to communication from the Examining Division
Jul 23, 2018
Request for extension of time limit to communication from the Examining Division
Jul 9, 2018
Grant of extension of time limit (examination procedure)
Jul 2, 2018
Request for extension of time limit to communication from the Examining Division
Mar 22, 2018
Annex to the communication
Mar 22, 2018
Communication from the Examining Division
Mar 13, 2018
Examination started
Dec 15, 2017
Communication of amended entries concerning the representative
Nov 24, 2017
Notification regarding date of start of examination with possibility to withdraw
Nov 10, 2017
Submission concerning change of applicant's representative
Dec 28, 2016
Payment of fees and costs
Dec 28, 2016
Payment of fees and costs
Dec 17, 2015
Payment of fees and costs
Oct 22, 2014
Payment of fees and costs
Oct 22, 2014
Payment of fees and costs
Aug 9, 2014
Statement of non-availability of priority search results
Aug 8, 2014
Statement of non-availability of priority search results
Jul 25, 2014
Invitation to file a copy of search results(priority)
Jul 12, 2014
Amended claims filed after receipt of (European) search report
Jul 12, 2014
Amendments received before examination
Jul 12, 2014
Payment of fees and costs
Jul 10, 2014
Amended claims filed after receipt of (European) search report
Jul 10, 2014
Amendments received before examination
Jul 10, 2014
Payment of fees and costs
Jul 10, 2014
Payment of fees and costs
Jan 20, 2014
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 11, 2014
Submission concerning representation
Dec 18, 2013
Communication to designated inventor
Dec 18, 2013
Communication to designated inventor
Dec 18, 2013
Communication to designated inventor
Dec 18, 2013
Communication to designated inventor
Dec 13, 2013
Communication regarding the transmission of the European search report
Dec 13, 2013
European search opinion
Dec 13, 2013
European search report
Dec 11, 2013
Notification of forthcoming publication
Dec 4, 2013
Search started
Nov 27, 2013
Payment of fees and costs
Oct 31, 2013
Payment of fees and costs
Oct 25, 2013
Letter concerning fees and payments
Oct 24, 2013
Payment of fees and costs
Oct 2, 2013
Abstract
Oct 2, 2013
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 2, 2013
Claims
Oct 2, 2013
Description
Oct 2, 2013
Designation of inventor
Oct 2, 2013
Designation of inventor
Oct 2, 2013
Designation of inventor
Oct 2, 2013
Designation of inventor
Oct 2, 2013
Drawings
Oct 2, 2013
Request for grant of a European patent
Mar 11, 2013
Statement of non-availability of priority search results
Jan 16, 2013
Priority document (electronically transmitted)

EP2682500

WEFA SINGEN

Application Number: EP13187049A
Filing Date: Dec 29, 2011
Status: Revoked; Mar 21, 2025
Publication Date: Aug 19, 2020
External Links: Slate, Register , Google Patents

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Dossier Documents

EP2682500