Vent-Type Extruder

Patent No. EP3159135 (titled "Vent-Type Extruder") was filed by Sumitomo Rubber Industries on Sep 27, 2016. The application was issued on Mar 1, 2023.

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
KRAUSSMAFFEI EXTRUSION	Nov 30, 2023	KAUFL

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 16, 2026
F3204 Communication of the file number to the parties
Jan 12, 2026
(Electronic) Receipt
Jan 12, 2026
Notice of appeal
Jan 12, 2026
Notice of appeal
Nov 12, 2025
Annex to the communication - opposition
Nov 12, 2025
Brief communication - Opposition proceedings
Nov 12, 2025
Brief communication - Opposition proceedings
Nov 12, 2025
Decision of the Opposition Division and instruction
Nov 12, 2025
Druckexemplar in opposition procedure
Nov 12, 2025
Grounds for the decision (Annex) - opposition
Nov 12, 2025
Interlocutory decision in opposition proceedings
Nov 12, 2025
Interlocutory decision in opposition proceedings
Nov 12, 2025
Means of redress
Nov 12, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Nov 12, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Nov 12, 2025
Provision of a copy of the minutes - opposition procedure
Nov 12, 2025
Provision of a copy of the minutes - opposition procedure
Nov 12, 2025
Scanned annex to a communication - opposition procedure
Nov 12, 2025
Scanned annex to a communication - opposition procedure
Nov 12, 2025
Scanned annex to a communication - opposition procedure
Oct 7, 2025
Information about the result of oral proceedings
Sep 19, 2025
Brief communication - Opposition proceedings
Sep 17, 2025
(Electronic) Receipt
Sep 17, 2025
Letter accompanying subsequently filed items
Sep 17, 2025
Written submission in preparation to/during oral proceedings
Sep 5, 2025
(Electronic) Receipt
Sep 5, 2025
Letter accompanying subsequently filed items
Sep 5, 2025
Written submission in preparation to/during oral proceedings
Aug 4, 2025
Brief communication - Opposition proceedings
Jul 31, 2025
Brief communication - Opposition proceedings
Jul 30, 2025
(Electronic) Receipt
Jul 30, 2025
Letter accompanying subsequently filed items
Jul 30, 2025
Written submission in preparation to/during oral proceedings
Jul 28, 2025
(Electronic) Receipt
Jul 28, 2025
Letter accompanying subsequently filed items
Jul 28, 2025
Request for interpreters during oral proceedings
Jun 27, 2025
Brief communication - Opposition proceedings
Jun 24, 2025
(Electronic) Receipt
Jun 24, 2025
Letter accompanying subsequently filed items
Jun 24, 2025
Request for interpreters during oral proceedings
Oct 2, 2024
Annex to the communication - opposition
Oct 2, 2024
Information concerning oral proceedings
Oct 2, 2024
Scanned annex to a communication - opposition procedure
Oct 2, 2024
Summons to attend oral proceedings
Oct 2, 2024
Summons to attend oral proceedings
Apr 17, 2024
Brief communication - Opposition proceedings
Apr 12, 2024
(Electronic) Receipt
Apr 12, 2024
Auxiliary request during Opposition procedure
Apr 12, 2024
Auxiliary request during Opposition procedure
Apr 12, 2024
Auxiliary request during Opposition procedure
Apr 12, 2024
Auxiliary request during Opposition procedure
Apr 12, 2024
Auxiliary request during Opposition procedure
Apr 12, 2024
Auxiliary request during Opposition procedure - 01
Apr 12, 2024
Auxiliary request during Opposition procedure - 02
Apr 12, 2024
Auxiliary request during Opposition procedure - 03
Apr 12, 2024
Auxiliary request during Opposition procedure - 04
Apr 12, 2024
Auxiliary request during Opposition procedure - 05
Apr 12, 2024
Letter accompanying subsequently filed items
Apr 12, 2024
Reply of the patent proprietor to the notice(s) of opposition
Dec 15, 2023
Communication of a notice of opposition and request to file observations
Dec 15, 2023
Notice of further oppositions to opponent(s)
Dec 7, 2023
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2023
(Electronic) Receipt
Nov 30, 2023
Any annexes (other than citation) to an opposition letter
Nov 30, 2023
Citation in opposition procedure - 001
Nov 30, 2023
Citation in opposition procedure - 001
Nov 30, 2023
Citation in opposition procedure - 002
Nov 30, 2023
Citation in opposition procedure - 002
Nov 30, 2023
Citation in opposition procedure - 003
Nov 30, 2023
Citation in opposition procedure - 003
Nov 30, 2023
Citation in opposition procedure - 003
Nov 30, 2023
Citation in opposition procedure - 004
Nov 30, 2023
Citation in opposition procedure - 005
Nov 30, 2023
Consolidated list of cited opposition documents
Nov 30, 2023
Letter accompanying subsequently filed items
Nov 30, 2023
Notice of opposition
Nov 30, 2023
Notice of opposition
Mar 15, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 2, 2023
Decision to grant a European patent
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Filing of the translations of the claims
Jan 19, 2023
French translation of claims
Jan 19, 2023
German translation of the claims
Jan 19, 2023
Letter accompanying subsequently filed items
Oct 17, 2022
Annex to the communication about intention to grant a European patent
Oct 17, 2022
Bibliographic data of the European patent application
Oct 17, 2022
Communication about intention to grant a European patent
Oct 17, 2022
Intention to grant (signatures)
Oct 17, 2022
Text intended for grant (clean copy)
Oct 17, 2022
Text intended for grant (version for approval)
Jun 17, 2021
(Electronic) Receipt
Jun 17, 2021
Amended claims with annotations
Jun 17, 2021
Amended description with annotations
Jun 17, 2021
Claims
Jun 17, 2021
Description
Jun 17, 2021
Letter accompanying subsequently filed items
Jun 17, 2021
Reply to communication from the Examining Division
Mar 12, 2021
Annex to the communication
Mar 12, 2021
Communication from the Examining Division
Mar 8, 2021
Examination started
Feb 18, 2019
Submission concerning representation
Aug 24, 2017
Amended claims filed after receipt of (European) search report
Aug 24, 2017
Amended claims with annotations
Aug 24, 2017
Amended description filed after receipt of (European) search report
Aug 24, 2017
Amended description with annotations
Aug 24, 2017
Amendments received before examination
Aug 24, 2017
Letter concerning fees and payments
Aug 24, 2017
Payment of fees and costs
May 3, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Mar 30, 2017
Submission concerning change of applicant's representative
Mar 30, 2017
Submission concerning representation
Mar 29, 2017
Notification of forthcoming publication
Mar 16, 2017
Communication regarding the transmission of the European search report
Mar 16, 2017
European search opinion
Mar 16, 2017
European search report
Mar 16, 2017
Information on Search Strategy
Mar 10, 2017
Modified abstract
Dec 9, 2016
Confirmation of receipt of (electronically) transmitted priority document
Nov 30, 2016
Priority document (electronically transmitted)
Nov 18, 2016
Communication to designated inventor
Nov 18, 2016
Communication to designated inventor
Nov 18, 2016
Communication to designated inventor
Sep 27, 2016
Abstract
Sep 27, 2016
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Sep 27, 2016
Claims
Sep 27, 2016
Description
Sep 27, 2016
Designation of inventor
Sep 27, 2016
Drawings
Sep 27, 2016
Request for grant of a European patent

EP3159135

SUMITOMO RUBBER INDUSTRIES

Application Number: EP16190954A
Filing Date: Sep 27, 2016
Status: Granted And Under Opposition; Jan 27, 2023
Publication Date: Mar 1, 2023
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3159135