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The patent EP3234057 was granted to H B Fuller on Oct 21, 2020. The application was filed on Dec 17, 2015 under application number EP15826234A. The patent is currently recorded with a legal status of "Revoked".

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 | Opposition Status |
|---|---|---|---|
| BOSTIK | Jul 20, 2021 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013004337 |
| DESCRIPTION | WO2013004339 |
| DESCRIPTION | WO2013004340 |
| DESCRIPTION | WO2013004341 |
| INTERNATIONAL-SEARCH-REPORT | EP0302394 |
| INTERNATIONAL-SEARCH-REPORT | EP1566423 |
| INTERNATIONAL-SEARCH-REPORT | US2008306214 |
| INTERNATIONAL-SEARCH-REPORT | US2015197671 |
| OPPOSITION | EP0525251 |
| OPPOSITION | EP1564273 |
| OPPOSITION | US2008306214 |
| OPPOSITION | US2011021103 |
| OPPOSITION | US4500021 |
| OPPOSITION | US5177133 |
| OPPOSITION | US5331038 |
| OPPOSITION | US5627229 |
| OPPOSITION | WO0014170 |
| OPPOSITION | WO2013004337 |
| OPPOSITION | WO2013004339 |
| OPPOSITION | WO2013004340 |
| OPPOSITION | WO2014189150 |
| OPPOSITION | WO2015007785 |
| OPPOSITION | WO2015017704 |
| OPPOSITION | WO2015106105 |
| OPPOSITION | WO2016100728 |
| OPPOSITION | WO9966000 |
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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Aug 1, 2025
Refund of fees
Search/Exam
Jul 30, 2025
Jul 30, 2025
Jul 29, 2025
Jul 29, 2025
Jul 24, 2025
(Electronic) Receipt
Appeal
Jul 24, 2025
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Withdrawal of an appeal
Appeal
Jun 30, 2025
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Nov 8, 2024
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Oct 30, 2024
(Electronic) Receipt
Appeal
Oct 30, 2024
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(Electronic) Receipt
Appeal
Oct 24, 2024
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Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
Mar 6, 2024
Reply to appeal
Appeal
Jan 29, 2024
Jan 23, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 18, 2023
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Notice of appeal
Appeal
Jun 26, 2023
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Means of redress
OPPO
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Nov 2, 2020
Sep 24, 2020
Decision to grant a European patent
Search/Exam
Sep 10, 2020
(Electronic) Receipt
Search/Exam
Sep 10, 2020
Filing of the translations of the claims
Search/Exam
Sep 10, 2020
French translation of claims
Search/Exam
Sep 10, 2020
German translation of the claims
Search/Exam
May 14, 2020
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May 14, 2020
Intention to grant (signatures)
Search/Exam
May 14, 2020
Text intended for grant (clean copy)
Search/Exam
May 14, 2020
Jul 24, 2019
(Electronic) Receipt
Search/Exam
Jul 24, 2019
Amended description with annotations
Search/Exam
Jul 24, 2019
Description
Search/Exam
Jul 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2019
May 6, 2019
Annex to the communication
Search/Exam
May 6, 2019
Communication from the Examining Division
Search/Exam
Apr 10, 2019
Examination started
Search/Exam
Feb 12, 2019
Jan 28, 2019
(Electronic) Receipt
Search/Exam
Jan 28, 2019
Enquiry as to the processing of the file
Search/Exam
Jan 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2018
Submission concerning representation
Search/Exam
Jan 23, 2018
(Electronic) Receipt
Search/Exam
Jan 23, 2018
Jan 23, 2018
Amended claims with annotations
Search/Exam
Jan 23, 2018
Amendments received before examination
Search/Exam
Jan 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2017
Communication to designated inventor
Search/Exam
Sep 28, 2017
(Electronic) Receipt
Search/Exam
Sep 28, 2017
Letter concerning the inventor
Search/Exam
Sep 27, 2017
Aug 22, 2017
Aug 17, 2017
Letter which had not been notified
Search/Exam
Jul 25, 2017
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 4, 2017
Jun 28, 2017
(Electronic) Receipt
Search/Exam
Jun 28, 2017
Jun 28, 2017
Request for entry into the European phase
Search/Exam
May 2, 2017
Information on entry into European phase
Search/Exam
Jul 12, 2016
Jun 23, 2016
Copy of the international search report
Search/Exam
Jun 23, 2016
Published international application - A1
Search/Exam
Mar 21, 2016
Annex
PCTISA
Mar 21, 2016
ISR: cited documents
PCTISA
Mar 21, 2016
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Mar 18, 2016
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Feb 9, 2016
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Abstract
PCTISA
Jan 8, 2016
Annex
PCTISA
Jan 8, 2016
Claims
PCTISA
Jan 8, 2016
Description
PCTISA
Jan 8, 2016
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