Condensation-Curable Polyethersilicone Tile Adhesives

Patent No. EP3532535 (titled "Condensation-Curable Polyethersilicone Tile Adhesives") was filed by Wacker Chemie on Oct 28, 2016. The application was issued on Jul 20, 2022.

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
HENKEL	Oct 15, 2020	VIERING

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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Jun 23, 2022
Decision to maintain the European patent in amended form
Jun 23, 2022
Decision to maintain the European patent in amended form
Jun 17, 2022
Termination of the opposition proceedings with maintenance of patent
Jun 13, 2022
(Electronic) Receipt
Jun 13, 2022
Filing of the translation of the amended claims
Jun 13, 2022
French translation of claims
Jun 13, 2022
German translation of the claims
Jun 13, 2022
Letter accompanying subsequently filed items
Jun 2, 2022
Communication of bibliographic data
Jun 2, 2022
Communication to opponent concerning maintenance
Jun 2, 2022
Communication with request to file translations
May 25, 2022
Maintenance of the patent with the documents specified in the final decision
Feb 24, 2022
Advice of delivery
Feb 16, 2022
Advice of delivery
Feb 15, 2022
Annex to the communication - opposition
Feb 15, 2022
Decision of the Opposition Division and instruction
Feb 15, 2022
Druckexemplar in opposition procedure
Feb 15, 2022
Grounds for the decision (Annex) - opposition
Feb 15, 2022
Interlocutory decision in opposition proceedings
Feb 15, 2022
Interlocutory decision in opposition proceedings
Feb 15, 2022
Means of redress
Feb 15, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 15, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 15, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 15, 2022
Provision of a copy of the minutes - opposition procedure
Feb 15, 2022
Provision of a copy of the minutes - opposition procedure
Feb 15, 2022
Scanned annex to a communication - opposition procedure
Feb 15, 2022
Transmittal of decision / summons - opposition
Feb 15, 2022
Transmittal of decision / summons - opposition
Feb 2, 2022
Information about the result of oral proceedings
Dec 9, 2021
(Electronic) Receipt
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Brief communication - Opposition proceedings
Dec 3, 2021
Brief communication - Opposition proceedings
Dec 3, 2021
Notification concerning the date of oral proceedings
Dec 3, 2021
Notification concerning the date of oral proceedings
Dec 1, 2021
(Electronic) Receipt
Dec 1, 2021
Letter accompanying subsequently filed items
Dec 1, 2021
Written submission in preparation to/during oral proceedings
Nov 30, 2021
(Electronic) Receipt
Nov 30, 2021
Letter accompanying subsequently filed items
Nov 30, 2021
Request for interpreters during oral proceedings
Nov 18, 2021
Brief communication - Opposition proceedings
Nov 18, 2021
Communication of amended entries
Nov 12, 2021
Letter regarding the opposition procedure (no time limit)
May 25, 2021
Advice of delivery
May 21, 2021
Communication about missing advice of delivery
Apr 19, 2021
Advice of delivery
Apr 8, 2021
Annex to the communication - opposition
Apr 8, 2021
Transmittal of decision / summons - opposition
Apr 8, 2021
Transmittal of decision / summons - opposition
Mar 8, 2021
Brief communication - Opposition proceedings
Mar 2, 2021
(Electronic) Receipt
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure - 01
Mar 2, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
Main request during Opposition procedure
Mar 2, 2021
Main request during Opposition procedure
Mar 2, 2021
Reply of the patent proprietor to the notice(s) of opposition
Oct 29, 2020
Communication of a notice of opposition and request to file observations
Oct 29, 2020
Notice of further oppositions to opponent(s)
Oct 20, 2020
Communication of a notice of opposition - first information to patent proprietor
Oct 15, 2020
(Electronic) Receipt
Oct 15, 2020
Citation in opposition procedure - 001
Oct 15, 2020
Citation in opposition procedure - 002
Oct 15, 2020
Citation in opposition procedure - 003
Oct 15, 2020
Citation in opposition procedure - 004
Oct 15, 2020
Consolidated list of cited opposition documents
Oct 15, 2020
Notice of opposition
Oct 15, 2020
Notice of opposition
Jan 27, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 19, 2019
Decision to grant a European patent
Sep 10, 2019
Bibliographic data of the European patent application
Sep 10, 2019
Communication about intention to grant a European patent
Sep 10, 2019
Intention to grant (signatures)
Sep 10, 2019
Text intended for grant (clean copy)
Sep 10, 2019
Text intended for grant (version for approval)
Aug 14, 2019
Examination started
Aug 7, 2019
Notification on forthcoming publication of bibliographic data
Jun 3, 2019
Communication to designated inventor
Jun 3, 2019
Communication to designated inventor
Apr 3, 2019
(Electronic) Receipt
Apr 3, 2019
Amended claims filed after receipt of (European) search report
Apr 3, 2019
Amended claims with annotations
Apr 3, 2019
General authorisation
Apr 3, 2019
Request for correction of errors in filed documents
Apr 3, 2019
Request for entry into the European phase
Mar 8, 2019
Information on entry into European phase
Oct 3, 2018
Notification of election of EPO
Sep 24, 2018
Annex to International preliminary examination report
Sep 24, 2018
International preliminary examination report
Sep 24, 2018
International preliminary examination report - free text sheet
Sep 24, 2018
International preliminary examination report - points I-VIII
Sep 24, 2018
Transmittal of International Preliminary Examination Report
Aug 30, 2018
Notification of receipt of demand
Aug 23, 2018
(Electronic) Receipt
Aug 23, 2018
PCT demand form
Aug 23, 2018
PCT(IPEA): Amended sheet - claims
Aug 23, 2018
PCT(IPEA): Amended sheet - claims
Aug 23, 2018
Payment of fees and costs
Aug 23, 2018
Reply to International Search Opinion
May 3, 2018
Copy of the international search report
May 3, 2018
Published international application - A1
Jun 1, 2017
ISR: cited documents
May 31, 2017
Written opinion of the ISA, boxes No. I to VIII
May 31, 2017
Written opinion of the ISA, cover sheet
May 31, 2017
Written opinion of the ISA, supplemental box
Nov 29, 2016
Notification of receipt of Search copy
Nov 14, 2016
Abstract
Nov 14, 2016
Claims
Nov 14, 2016
Description
Nov 14, 2016
Request form for international application (copy for ISA/EP)

EP3532535

WACKER CHEMIE

Application Number: EP16797648A
Filing Date: Oct 28, 2016
Status: Patent Maintained As Amended; Jun 17, 2022
Publication Date: Jul 20, 2022
External Links: Slate, Register , Google Patents

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Condensation-Curable Polyethersilicone Tile Adhesives

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Dossier Documents

EP3532535