Adhesive Mass

Patent No. EP3228673 (titled "Adhesive Mass") was filed by Tesa on Feb 27, 2017. The application was issued on Apr 2, 2025.

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
CERTOPLAST TECHNISCHE KLEBEBANDER	Sep 17, 2025	ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB

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 20, 2026
(Electronic) Receipt
May 20, 2026
Auxiliary request during Opposition procedure
May 20, 2026
Auxiliary request during Opposition procedure
May 20, 2026
Auxiliary request during Opposition procedure
May 20, 2026
Auxiliary request during Opposition procedure
May 20, 2026
Auxiliary request during Opposition procedure
May 20, 2026
Auxiliary request during Opposition procedure - 01
May 20, 2026
Auxiliary request during Opposition procedure - 02
May 20, 2026
Auxiliary request during Opposition procedure - 03
May 20, 2026
Auxiliary request during Opposition procedure - 04
May 20, 2026
Auxiliary request during Opposition procedure - 05
May 20, 2026
Letter accompanying subsequently filed items
May 20, 2026
Reply of the patent proprietor to the notice(s) of opposition
Jan 20, 2026
Communication of a notice of opposition and request to file observations
Jan 20, 2026
Notice of further oppositions to opponent(s)
Sep 19, 2025
Communication of a notice of opposition - first information to patent proprietor
Sep 17, 2025
(Electronic) Receipt
Sep 17, 2025
Citation in opposition procedure - 001
Sep 17, 2025
Citation in opposition procedure - 002
Sep 17, 2025
Citation in opposition procedure - 003
Sep 17, 2025
Citation in opposition procedure - 004
Sep 17, 2025
Citation in opposition procedure - 005
Sep 17, 2025
Citation in opposition procedure - 006
Sep 17, 2025
Consolidated list of cited opposition documents
Sep 17, 2025
Notice of opposition
Sep 17, 2025
Notice of opposition
Apr 15, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 6, 2025
Decision to grant a European patent
Feb 26, 2025
(Electronic) Receipt
Feb 26, 2025
English translation of the claims
Feb 26, 2025
Filing of the translations of the claims
Feb 26, 2025
French translation of claims
Dec 5, 2024
Annex to the communication about intention to grant a European patent
Dec 5, 2024
Bibliographic data of the European patent application
Dec 5, 2024
Communication about intention to grant a European patent
Dec 5, 2024
Intention to grant (signatures)
Dec 5, 2024
Text intended for grant (clean copy)
Dec 5, 2024
Text intended for grant (version for approval)
Nov 22, 2024
(Electronic) Receipt
Nov 22, 2024
Amended description with annotations
Nov 22, 2024
Description
Nov 22, 2024
Letter accompanying subsequently filed items
Nov 22, 2024
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 22, 2024
Annex to the communication about intention to grant a European patent
Jul 22, 2024
Bibliographic data of the European patent application
Jul 22, 2024
Communication about intention to grant a European patent
Jul 22, 2024
Intention to grant (signatures)
Jul 22, 2024
Text intended for grant (clean copy)
Jul 22, 2024
Text intended for grant (version for approval)
Jul 19, 2023
(Electronic) Receipt
Jul 19, 2023
Amended description with annotations
Jul 19, 2023
Description
Jul 19, 2023
Letter accompanying subsequently filed items
Jul 19, 2023
Reply to communication from the Examining Division
Jun 21, 2023
Transmittal of third party observations to applicant
Jun 15, 2023
Observations by third parties
May 25, 2023
Annex to the communication
May 25, 2023
Communication from the Examining Division
Apr 27, 2023
Miscellaneous requests concerning client data
Mar 1, 2021
(Electronic) Receipt
Mar 1, 2021
Amended claims with annotations
Mar 1, 2021
Claims
Mar 1, 2021
Letter accompanying subsequently filed items
Mar 1, 2021
Reply to communication from the Examining Division
Jan 12, 2021
Grant of extension of time limit (examination procedure)
Dec 18, 2020
(Electronic) Receipt
Dec 18, 2020
Letter accompanying subsequently filed items
Dec 18, 2020
Request for extension of time limit to communication from the Examining Division
Dec 14, 2020
Communication of amended entries concerning the representative
Dec 7, 2020
Submission concerning change of applicant's representative
Aug 19, 2020
Annex to the communication
Aug 19, 2020
Communication from the Examining Division
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Amended claims with annotations
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Claims
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Non-patent literature cited during the examination procedure
Feb 17, 2020
Reply to communication from the Examining Division
Jan 2, 2020
Grant of extension of time limit (examination procedure)
Dec 16, 2019
Request for extension of time limit to communication from the Examining Division
Aug 7, 2019
Annex to the communication
Aug 7, 2019
Communication from the Examining Division
Jul 31, 2019
Examination started
Aug 8, 2018
Refund of fees
Aug 7, 2018
Decision to allow further processing
Jul 25, 2018
(Electronic) Receipt
Jul 25, 2018
Amended claims filed after receipt of (European) search report
Jul 25, 2018
Amended claims with annotations
Jul 25, 2018
Letter accompanying subsequently filed items
Jul 25, 2018
Request for further processing
May 23, 2018
Application deemed to be withdrawn (non-reply to Written Opinion)
Oct 16, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 13, 2017
Notification of forthcoming publication
Aug 7, 2017
Communication regarding the transmission of the European search report
Aug 7, 2017
European search opinion
Aug 7, 2017
European search report
Aug 7, 2017
Information on Search Strategy
Jul 25, 2017
Search started
May 19, 2017
Communication to designated inventor
May 19, 2017
Communication to designated inventor
May 19, 2017
Communication to designated inventor
May 19, 2017
Communication to designated inventor
Mar 6, 2017
Letter concerning the priority
Mar 6, 2017
Priority document
Feb 27, 2017
Abstract
Feb 27, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Feb 27, 2017
Claims
Feb 27, 2017
Description
Feb 27, 2017
Designation of inventor
Feb 27, 2017
Drawings
Feb 27, 2017
Priority search results
Feb 27, 2017
Request for grant of a European patent

EP3228673

TESA

Application Number: EP17158029A
Filing Date: Feb 27, 2017
Status: Granted And Under Opposition; Feb 28, 2025
Publication Date: Apr 2, 2025
External Links: Slate, Register , Google Patents

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Adhesive Mass

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Dossier Documents

EP3228673