Barrier Layers On Sealing Membranes

Patent No. EP3200990 (titled "Barrier Layers On Sealing Membranes") was filed by Sika Technology on Sep 24, 2015. The application was issued on Jul 22, 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
LOPAREX GERMANY	Apr 21, 2021	KUTZENBERGER WOLFF & PARTNER

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 16, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Mar 13, 2023
Termination of the opposition proceedings with maintenance of patent
Nov 29, 2022
(Electronic) Receipt
Nov 29, 2022
Advice of delivery
Nov 29, 2022
Decision to discontinue the opposition proceedings
Nov 29, 2022
Letter accompanying subsequently filed items
Nov 29, 2022
Transmittal of decision / summons - opposition
Nov 24, 2022
Brief communication - Opposition proceedings
Nov 24, 2022
Brief communication - Opposition proceedings
Nov 21, 2022
(Electronic) Receipt
Nov 21, 2022
Letter accompanying subsequently filed items
Nov 21, 2022
Withdrawal of an opposition
Sep 16, 2022
Advice of delivery
Sep 7, 2022
(Electronic) Receipt
Sep 7, 2022
Advice of delivery
Sep 7, 2022
Letter accompanying subsequently filed items
Sep 7, 2022
Notification concerning the date of oral proceedings
Sep 7, 2022
Notification concerning the date of oral proceedings
Sep 7, 2022
Summons to attend oral proceedings
Sep 7, 2022
Summons to attend oral proceedings
Sep 7, 2022
Transmittal of decision / summons - opposition
Sep 7, 2022
Transmittal of decision / summons - opposition
Aug 30, 2022
Advice of delivery
Aug 30, 2022
Brief communication - Opposition proceedings
Aug 22, 2022
(Electronic) Receipt
Aug 22, 2022
Advice of delivery
Aug 22, 2022
Any annexes (other than citation) to an opposition letter
Aug 22, 2022
Letter accompanying subsequently filed items
Aug 22, 2022
Notification concerning the date of oral proceedings
Aug 22, 2022
Notification concerning the date of oral proceedings
Aug 22, 2022
Oral proceedings: reply to date proposed
Aug 22, 2022
Summons to attend oral proceedings
Aug 22, 2022
Summons to attend oral proceedings
Aug 22, 2022
Transmittal of decision / summons - opposition
Aug 22, 2022
Transmittal of decision / summons - opposition
Jul 25, 2022
Brief communication - Opposition proceedings
Jul 21, 2022
Advice of delivery
Jul 18, 2022
(Electronic) Receipt
Jul 18, 2022
Annex to the communication - opposition
Jul 18, 2022
Any annexes (other than citation) to an opposition letter
Jul 18, 2022
Information concerning oral proceedings
Jul 18, 2022
Letter accompanying subsequently filed items
Jul 18, 2022
Oral proceedings: reply to date proposed
Jul 18, 2022
Scanned annex to a communication - opposition procedure
Jul 18, 2022
Summons to attend oral proceedings
Jul 18, 2022
Summons to attend oral proceedings
Jul 18, 2022
Transmittal of decision / summons - opposition
Jul 18, 2022
Transmittal of decision / summons - opposition
Jul 8, 2022
Brief communication - Opposition proceedings
Oct 1, 2021
Brief communication - Opposition proceedings
Sep 27, 2021
(Electronic) Receipt
Sep 27, 2021
Auxiliary request during Opposition procedure
Sep 27, 2021
Auxiliary request during Opposition procedure
Sep 27, 2021
Auxiliary request during Opposition procedure - 01
Sep 27, 2021
Auxiliary request during Opposition procedure - 02
Sep 27, 2021
Letter accompanying subsequently filed items
Sep 27, 2021
Reply of the patent proprietor to the notice(s) of opposition
May 27, 2021
Communication of a notice of opposition and request to file observations
May 27, 2021
Notice of further oppositions to opponent(s)
Apr 26, 2021
Communication of a notice of opposition - first information to patent proprietor
Apr 21, 2021
(Electronic) Receipt
Apr 21, 2021
Citation in opposition procedure - 001
Apr 21, 2021
Citation in opposition procedure - 002
Apr 21, 2021
Citation in opposition procedure - 003
Apr 21, 2021
Citation in opposition procedure - 004
Apr 21, 2021
Citation in opposition procedure - 005
Apr 21, 2021
Citation in opposition procedure - 006
Apr 21, 2021
Citation in opposition procedure - 007
Apr 21, 2021
Citation in opposition procedure - 008
Apr 21, 2021
Citation in opposition procedure - 009
Apr 21, 2021
Citation in opposition procedure - 010
Apr 21, 2021
Consolidated list of cited opposition documents
Apr 21, 2021
Notice of opposition
Apr 21, 2021
Notice of opposition
Aug 3, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 25, 2020
Decision to grant a European patent
Jun 12, 2020
(Electronic) Receipt
Jun 12, 2020
English translation of the claims
Jun 12, 2020
Filing of the translations of the claims
Jun 12, 2020
French translation of claims
Jun 12, 2020
Letter accompanying subsequently filed items
Feb 18, 2020
Bibliographic data of the European patent application
Feb 18, 2020
Communication about intention to grant a European patent
Feb 18, 2020
Intention to grant (signatures)
Feb 18, 2020
Text intended for grant (clean copy)
Feb 18, 2020
Text intended for grant (version for approval)
Sep 18, 2019
(Electronic) Receipt
Sep 18, 2019
Letter accompanying subsequently filed items
Sep 18, 2019
Reply from applicant/patentee regarding third party observations
Sep 5, 2019
Transmittal of third party observations to applicant
Aug 29, 2019
Observations by third parties
Aug 29, 2019
Patent document filed by a Third party
May 29, 2019
(Electronic) Receipt
May 29, 2019
Amended claims with annotations
May 29, 2019
Claims
May 29, 2019
Letter accompanying subsequently filed items
May 29, 2019
Reply to communication from the Examining Division
Apr 4, 2019
Annex to the communication
Apr 4, 2019
Communication from the Examining Division
Mar 21, 2019
Examination started
Nov 2, 2017
(Electronic) Receipt
Nov 2, 2017
Amended claims filed after receipt of (European) search report
Nov 2, 2017
Amended claims with annotations
Nov 2, 2017
Amendments received before examination
Nov 2, 2017
Letter accompanying subsequently filed items
Jul 25, 2017
(Electronic) Receipt
Jul 25, 2017
Letter accompanying subsequently filed items
Jul 25, 2017
Letter concerning the inventor
Jul 12, 2017
Notification on forthcoming publication of bibliographic data
Jul 3, 2017
Invitation to indicate correct address of inventor
Jun 20, 2017
Letter which had not been notified
May 12, 2017
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 10, 2017
Communication to designated inventor
May 10, 2017
Communication to designated inventor
May 5, 2017
Priority search results copy provided by EPO
Apr 26, 2017
(Electronic) Receipt
Apr 26, 2017
Request for entry into the European phase
Apr 18, 2017
Copy of the international preliminary report on patentability
Feb 10, 2017
Information on entry into European phase
Apr 28, 2016
Priority document (electronically transmitted)
Apr 7, 2016
Copy of the international search report
Apr 7, 2016
Published international application - A1
Nov 18, 2015
Written opinion of the ISA, boxes No. I to VIII
Nov 18, 2015
Written opinion of the ISA, cover sheet
Nov 18, 2015
Written opinion of the ISA, supplemental box
Oct 5, 2015
Notification of the international application number and of the international filing date
Sep 24, 2015
(Electronic) Receipt
Sep 24, 2015
Abstract
Sep 24, 2015
Claims
Sep 24, 2015
Description
Sep 24, 2015
Document concerning fees and payments
Sep 24, 2015
Drawings
Sep 24, 2015
Electronic request for grant of an International application
Sep 24, 2015
Priority document (RO-procedure)

EP3200990

SIKA TECHNOLOGY

Application Number: EP15767502A
Filing Date: Sep 24, 2015
Status: Granted And Under Opposition; Jun 19, 2020
Publication Date: Jul 22, 2020
External Links: Slate, Register , Google Patents

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Barrier Layers On Sealing Membranes

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Dossier Documents

EP3200990