Silica Molded Bodies Having Low Thermal Conductivity

Patent No. EP3341338 (titled "Silica Molded Bodies Having Low Thermal Conductivity") was filed by Wacker Chemie on Aug 9, 2016. The application was issued on Dec 12, 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
EVONIK DEGUSSA	Aug 23, 2019	EVONIK PATENT ASSOCIATION
EVONIK OPERATIONS	Aug 23, 2019	EVONIK PATENT ASSOCIATION

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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Jul 26, 2021
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jul 26, 2021
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jul 21, 2021
Termination of the opposition proceedings with revocation of patent
Apr 19, 2021
Advice of delivery
Apr 19, 2021
Advice of delivery
Apr 12, 2021
Advice of delivery
Apr 9, 2021
Decision of the Opposition Division and instruction
Apr 9, 2021
Decision revoking the European patent
Apr 9, 2021
Decision revoking the European patent
Apr 9, 2021
Grounds for the decision (Annex) - opposition
Apr 9, 2021
Internal form - Opposition/addressees
Apr 9, 2021
Means of redress
Apr 9, 2021
Scanned annex to a communication - opposition procedure
Apr 9, 2021
Transmittal of decision / summons - opposition
Apr 9, 2021
Transmittal of decision / summons - opposition
Apr 8, 2021
Annex to the communication - opposition
Apr 8, 2021
Internal form - Opposition/addressees
Apr 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 8, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 8, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 8, 2021
Provision of a copy of the minutes - opposition procedure
Apr 8, 2021
Provision of a copy of the minutes - opposition procedure
Jan 21, 2021
Information about the result of oral proceedings
Dec 11, 2020
(Electronic) Receipt
Dec 11, 2020
Letter accompanying subsequently filed items
Dec 10, 2020
(Electronic) Receipt
Dec 10, 2020
Letter accompanying subsequently filed items
Dec 9, 2020
Brief communication - Opposition proceedings
Dec 8, 2020
(Electronic) Receipt
Dec 8, 2020
Authorisation
Dec 8, 2020
Letter accompanying subsequently filed items
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 4, 2020
Notification concerning the date of oral proceedings
Dec 3, 2020
(Electronic) Receipt
Dec 3, 2020
Letter accompanying subsequently filed items
Dec 3, 2020
Written submission in preparation to/during oral proceedings
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Letter accompanying subsequently filed items
Nov 25, 2020
Brief communication - Opposition proceedings
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Main request during Opposition procedure
Nov 19, 2020
Main request during Opposition procedure
Nov 19, 2020
Written submission in preparation to/during oral proceedings
Jun 17, 2020
Advice of delivery
Jun 9, 2020
Advice of delivery
Jun 3, 2020
Communication about missing advice of delivery
Apr 29, 2020
Advice of delivery
Apr 23, 2020
Acknowledgement of a document
Apr 23, 2020
Annex to the communication - opposition
Apr 23, 2020
Information concerning oral proceedings
Apr 23, 2020
Information concerning oral proceedings
Apr 23, 2020
Summons to attend oral proceedings
Apr 23, 2020
Summons to attend oral proceedings
Mar 10, 2020
Brief communication - Opposition proceedings
Mar 4, 2020
(Electronic) Receipt
Mar 4, 2020
Citation in opposition procedure - 008
Mar 4, 2020
Citation in opposition procedure - 009
Mar 4, 2020
Citation in opposition procedure - 010
Mar 4, 2020
Consolidated list of cited opposition documents
Mar 4, 2020
Letter accompanying subsequently filed items
Mar 4, 2020
Letter regarding the opposition procedure (no time limit)
Jan 29, 2020
Brief communication - Opposition proceedings
Jan 27, 2020
Amended claims with annotations
Jan 27, 2020
Citation in opposition procedure - 006
Jan 27, 2020
Citation in opposition procedure - 007
Jan 27, 2020
Claims
Jan 27, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jan 23, 2020
Amended claims with annotations
Jan 23, 2020
Citation in opposition procedure - 006
Jan 23, 2020
Citation in opposition procedure - 007
Jan 23, 2020
Claims
Jan 23, 2020
Reply of the patent proprietor to the notice(s) of opposition
Sep 26, 2019
Communication of a notice of opposition and request to file observations
Sep 26, 2019
Notice of further oppositions to opponent(s)
Sep 2, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 23, 2019
(Electronic) Receipt
Aug 23, 2019
Citation in opposition procedure
Aug 23, 2019
Citation in opposition procedure - 002
Aug 23, 2019
Citation in opposition procedure - 003
Aug 23, 2019
Citation in opposition procedure - 004
Aug 23, 2019
Citation in opposition procedure - 005
Aug 23, 2019
Letter accompanying subsequently filed items
Aug 23, 2019
Notice of opposition
Jan 2, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Nov 15, 2018
Decision to grant a European patent
Oct 23, 2018
(Electronic) Receipt
Oct 23, 2018
English translation of the claims
Oct 23, 2018
Filing of the translations of the claims
Oct 23, 2018
French translation of claims
Oct 23, 2018
Letter accompanying subsequently filed items
Aug 17, 2018
Bibliographic data of the European patent application
Aug 17, 2018
Communication about intention to grant a European patent
Aug 17, 2018
Intention to grant (signatures)
Aug 17, 2018
Text intended for grant (clean copy)
Aug 17, 2018
Text intended for grant (version for approval)
Jun 19, 2018
Examination started
Jun 15, 2018
(Electronic) Receipt
Jun 15, 2018
Letter accompanying subsequently filed items
Jun 15, 2018
Statement of non-availability of priority search results
Jun 11, 2018
Invitation to file a copy of search results(priority)
Jun 6, 2018
Notification on forthcoming publication of bibliographic data
Apr 4, 2018
Communication to designated inventor
Apr 4, 2018
Communication to designated inventor
Apr 4, 2018
Communication to designated inventor
Mar 5, 2018
Annexes to the international preliminary examination report
Mar 5, 2018
Copy of the international preliminary examination report
Mar 5, 2018
Reply to Written Opinion prepared by the EPO
Feb 7, 2018
(Electronic) Receipt
Feb 7, 2018
Amended description filed after receipt of (European) search report
Feb 7, 2018
Amended description with annotations
Feb 7, 2018
General authorisation
Feb 7, 2018
Request for entry into the European phase
Jan 12, 2018
Information on entry into European phase
Aug 2, 2017
Annex to International preliminary examination report
Aug 2, 2017
International preliminary examination report
Aug 2, 2017
International preliminary examination report - free text sheet
Aug 2, 2017
International preliminary examination report - points I-VIII
Aug 2, 2017
Transmittal of International Preliminary Examination Report
Mar 28, 2017
Priority document (electronically transmitted)
Mar 14, 2017
Notification of election of EPO
Mar 9, 2017
Copy of the international search report
Mar 9, 2017
Copy of the translated international search report
Mar 9, 2017
Published international application - A1
Dec 16, 2016
Notification of receipt of demand
Dec 1, 2016
(Electronic) Receipt
Dec 1, 2016
PCT demand form
Dec 1, 2016
Payment of fees and costs
Dec 1, 2016
Reply to International Search Opinion
Oct 21, 2016
Written opinion of the ISA, boxes No. I to VIII
Oct 21, 2016
Written opinion of the ISA, cover sheet
Oct 21, 2016
Written opinion of the ISA, supplemental box
Sep 7, 2016
Incoming letter related to PCT RO
Sep 7, 2016
Substitute sheet (R26) Request
Aug 17, 2016
Notification of the international application number and of the international filing date
Aug 9, 2016
(Electronic) Receipt
Aug 9, 2016
Abstract
Aug 9, 2016
Claims
Aug 9, 2016
Description
Aug 9, 2016
Document concerning fees and payments
Aug 9, 2016
Electronic request for grant of an International application

EP3341338

WACKER CHEMIE

Application Number: EP16750162A
Filing Date: Aug 9, 2016
Status: Revoked; Jul 23, 2021
Publication Date: Dec 12, 2018
External Links: Slate, Register , Google Patents

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Silica Molded Bodies Having Low Thermal Conductivity

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3341338