Method For Producing Silicone Elastomer Parts

Patent No. EP3215352 (titled "Method For Producing Silicone Elastomer Parts") was filed by Wacker Chemie on Oct 30, 2015. The application was issued on Aug 21, 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
DOW SILICONES	Jun 1, 2020	MURGITROYD

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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May 27, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
May 27, 2022
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
May 23, 2022
Termination of the opposition proceedings with revocation of patent
Feb 14, 2022
Advice of delivery
Feb 11, 2022
Decision revoking the European patent
Feb 11, 2022
Decision revoking the European patent
Feb 11, 2022
Transmittal of decision / summons - opposition
Feb 11, 2022
Transmittal of decision / summons - opposition
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
Letter accompanying subsequently filed items
Jan 31, 2022
Request for revocation of patent
Jan 24, 2022
Brief communication - Opposition proceedings
Jan 21, 2022
Notification concerning the date of oral proceedings
Jan 18, 2022
(Electronic) Receipt
Jan 18, 2022
Letter accompanying subsequently filed items
Jan 18, 2022
Written submission in preparation to/during oral proceedings
Dec 16, 2021
Brief communication - Opposition proceedings
Dec 13, 2021
(Electronic) Receipt
Dec 13, 2021
Letter accompanying subsequently filed items
Dec 13, 2021
Letter accompanying subsequently filed items
Dec 13, 2021
Written submission in preparation to/during oral proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Dec 1, 2021
Notification concerning the date of oral proceedings
Apr 7, 2021
Advice of delivery
Apr 1, 2021
Annex to the communication - opposition
Apr 1, 2021
Information concerning oral proceedings
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Summons to attend oral proceedings
Apr 1, 2021
Transmittal of decision / summons - opposition
Apr 1, 2021
Transmittal of decision / summons - opposition
Oct 13, 2020
Brief communication - Opposition proceedings
Oct 5, 2020
(Electronic) Receipt
Oct 5, 2020
Auxiliary request during Opposition procedure
Oct 5, 2020
Auxiliary request during Opposition procedure - 01
Oct 5, 2020
Citation in opposition procedure - 022
Oct 5, 2020
Consolidated list of cited opposition documents
Oct 5, 2020
Letter accompanying subsequently filed items
Oct 5, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 19, 2020
Communication of a notice of opposition and request to file observations
Jun 19, 2020
Notice of further oppositions to opponent(s)
Jun 5, 2020
Communication of a notice of opposition - first information to patent proprietor
Jun 1, 2020
(Electronic) Receipt
Jun 1, 2020
Citation in opposition procedure - 001
Jun 1, 2020
Citation in opposition procedure - 002
Jun 1, 2020
Citation in opposition procedure - 003
Jun 1, 2020
Citation in opposition procedure - 004
Jun 1, 2020
Citation in opposition procedure - 005
Jun 1, 2020
Citation in opposition procedure - 006
Jun 1, 2020
Citation in opposition procedure - 007
Jun 1, 2020
Citation in opposition procedure - 008
Jun 1, 2020
Citation in opposition procedure - 009
Jun 1, 2020
Citation in opposition procedure - 010
Jun 1, 2020
Citation in opposition procedure - 011
Jun 1, 2020
Citation in opposition procedure - 012
Jun 1, 2020
Citation in opposition procedure - 013
Jun 1, 2020
Citation in opposition procedure - 014
Jun 1, 2020
Citation in opposition procedure - 015
Jun 1, 2020
Citation in opposition procedure - 016
Jun 1, 2020
Citation in opposition procedure - 017
Jun 1, 2020
Citation in opposition procedure - 018
Jun 1, 2020
Citation in opposition procedure - 019
Jun 1, 2020
Citation in opposition procedure - 020
Jun 1, 2020
Citation in opposition procedure - 021
Jun 1, 2020
International publication (Pamphlet)
Jun 1, 2020
Letter regarding the opposition procedure (no time limit)
Jun 1, 2020
Notice of opposition
Jun 1, 2020
Notice of opposition
Sep 2, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 25, 2019
Decision to grant a European patent
Jul 4, 2019
(Electronic) Receipt
Jul 4, 2019
English translation of the claims
Jul 4, 2019
Filing of the translations of the claims
Jul 4, 2019
French translation of claims
Jul 4, 2019
Letter accompanying subsequently filed items
Mar 19, 2019
Bibliographic data of the European patent application
Mar 19, 2019
Communication about intention to grant a European patent
Mar 19, 2019
Intention to grant (signatures)
Mar 19, 2019
Text intended for grant (clean copy)
Mar 19, 2019
Text intended for grant (version for approval)
Feb 7, 2019
Examination started
Sep 18, 2018
Response to enquiry for communication from the Examining Division
Aug 31, 2018
Cover sheet for fax transmission
Aug 31, 2018
Enquiry as to the processing of the file
Feb 5, 2018
(Electronic) Receipt
Feb 5, 2018
Letter accompanying subsequently filed items
Feb 5, 2018
Statement of non-availability of priority search results
Jan 30, 2018
Invitation to file a copy of search results(priority)
Aug 17, 2017
Notification on forthcoming publication of bibliographic data
Jul 6, 2017
(Electronic) Receipt
Jul 6, 2017
Amended claims filed after receipt of (European) search report
Jul 6, 2017
Amended claims with annotations
Jul 6, 2017
Amendments received before examination
Jul 6, 2017
Letter accompanying subsequently filed items
Jun 13, 2017
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jun 9, 2017
Communication to designated inventor
Jun 9, 2017
Communication to designated inventor
Jun 9, 2017
Communication to designated inventor
May 15, 2017
Annexes to the international preliminary examination report
May 15, 2017
Comments on Written Opinion of ISA
May 15, 2017
Copy of the international preliminary examination report
Apr 11, 2017
(Electronic) Receipt
Apr 11, 2017
General authorisation
Apr 11, 2017
Request for entry into the European phase
Mar 17, 2017
Information on entry into European phase
Feb 24, 2017
Annex to International preliminary examination report
Feb 24, 2017
International preliminary examination report
Feb 24, 2017
International preliminary examination report - free text sheet
Feb 24, 2017
International preliminary examination report - points I-VIII
Feb 24, 2017
Transmittal of International Preliminary Examination Report
Dec 16, 2016
(Electronic) Receipt
Dec 16, 2016
Letter regarding PCTII procedure
Dec 16, 2016
PCT(IPEA): Amended sheet - claims
Dec 16, 2016
PCT(IPEA): Amended sheet - claims
Dec 16, 2016
Reply to communication PCT/IPEA/408
Oct 28, 2016
Written opinion
Oct 28, 2016
Written opinion - free text sheet
Oct 28, 2016
Written opinion - points I-VIII
May 31, 2016
Priority document (electronically transmitted)
May 17, 2016
Notification of election of EPO
May 12, 2016
Copy of the international search report
May 12, 2016
Copy of the international search report
May 12, 2016
Published international application - A1
Mar 22, 2016
Notification of receipt of demand
Mar 17, 2016
(Electronic) Receipt
Mar 17, 2016
PCT demand form
Mar 17, 2016
PCT(IPEA): Amended sheet - claims
Mar 17, 2016
PCT(IPEA): Amended sheet - description
Mar 17, 2016
Payment of fees and costs
Mar 17, 2016
Reply to International Search Opinion
Jan 28, 2016
Written opinion of the ISA, boxes No. I to VIII
Jan 28, 2016
Written opinion of the ISA, cover sheet
Jan 28, 2016
Written opinion of the ISA, supplemental box
Nov 17, 2015
Incoming letter related to PCT RO
Nov 17, 2015
Substitute sheet (R26) Request
Nov 10, 2015
Notification of the international application number and of the international filing date
Oct 30, 2015
(Electronic) Receipt
Oct 30, 2015
Abstract
Oct 30, 2015
Claims
Oct 30, 2015
Description
Oct 30, 2015
Document concerning fees and payments
Oct 30, 2015
Drawings
Oct 30, 2015
Electronic request for grant of an International application

EP3215352

WACKER CHEMIE

Application Number: EP15794107A
Filing Date: Oct 30, 2015
Status: Revoked; May 27, 2022
Publication Date: Aug 21, 2019
External Links: Slate, Register , Google Patents

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Method For Producing Silicone Elastomer Parts

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Dossier Documents

EP3215352