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The patent EP2454416 was granted to Permavoid on Jan 15, 2025. The application was filed on Jul 13, 2010 under application number EP10737094A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| HEWITECH | Sep 17, 2020 | PATENTANWALTE OLBRICHT BUCHHOLD KEULERTZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0214608 |
| DESCRIPTION | WO2009030896 |
| INTERNATIONAL-SEARCH-REPORT | AU620283B |
| INTERNATIONAL-SEARCH-REPORT | EP1469133 |
| INTERNATIONAL-SEARCH-REPORT | US2007274776 |
| INTERNATIONAL-SEARCH-REPORT | US5437698 |
| INTERNATIONAL-SEARCH-REPORT | WO2008009879 |
| OPPOSITION | AU620283B |
| OPPOSITION | EP1311727 |
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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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
Jun 20, 2023
Reply to appeal
Appeal
Feb 10, 2023
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(Electronic) Receipt
Appeal
Feb 6, 2023
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Dec 6, 2022
(Electronic) Receipt
Appeal
Dec 6, 2022
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Notice of appeal
Appeal
Oct 7, 2022
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Means of redress
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OPPO
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Jan 3, 2020
Nov 28, 2019
Decision to grant a European patent
Search/Exam
Nov 18, 2019
(Electronic) Receipt
Search/Exam
Nov 18, 2019
Filing of the translations of the claims
Search/Exam
Nov 18, 2019
French translation of claims
Search/Exam
Nov 18, 2019
German translation of the claims
Search/Exam
Nov 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2019
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Intention to grant (signatures)
Search/Exam
Jul 18, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 18, 2019
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Amended claims with annotations
Search/Exam
Jan 10, 2019
Amended description with annotations
Search/Exam
Jan 10, 2019
Claims
Search/Exam
Jan 10, 2019
Description
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2019
Nov 13, 2018
Nov 8, 2018
(Electronic) Receipt
Search/Exam
Nov 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2018
Annex to the communication
Search/Exam
Jul 2, 2018
Communication from the Examining Division
Search/Exam
May 28, 2018
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Jul 31, 2017
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(Electronic) Receipt
Search/Exam
Jul 17, 2017
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(Electronic) Receipt
Search/Exam
May 18, 2017
Amended claims with annotations
Search/Exam
May 18, 2017
Amended description with annotations
Search/Exam
May 18, 2017
Claims
Search/Exam
May 18, 2017
Description
Search/Exam
May 18, 2017
Letter accompanying subsequently filed items
Search/Exam
May 18, 2017
Apr 3, 2017
Mar 28, 2017
(Electronic) Receipt
Search/Exam
Mar 28, 2017
Nov 18, 2016
Annex to the communication
Search/Exam
Nov 18, 2016
Communication from the Examining Division
Search/Exam
Nov 14, 2016
Examination started
Search/Exam
May 23, 2016
May 16, 2016
Jul 21, 2015
Payment of fees and costs
Search/Exam
Jul 21, 2015
Payment of fees and costs
Search/Exam
Jul 23, 2014
Payment of fees and costs
Search/Exam
Jul 23, 2014
Payment of fees and costs
Search/Exam
Jul 26, 2013
Letter concerning fees and payments
Search/Exam
Jul 26, 2013
Payment of fees and costs
Search/Exam
Sep 5, 2012
(Electronic) Receipt
Search/Exam
Sep 5, 2012
Sep 5, 2012
Amended claims with annotations
Search/Exam
Sep 5, 2012
Sep 5, 2012
Amended description with annotations
Search/Exam
Sep 5, 2012
Amendments received before examination
Search/Exam
Sep 5, 2012
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2012
Letter concerning fees and payments
Search/Exam
Apr 25, 2012
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Feb 13, 2012
(Electronic) Receipt
Search/Exam
Feb 13, 2012
Request for entry into the European phase
Search/Exam
Feb 1, 2012
Nov 25, 2011
Information on entry into European phase
Search/Exam
Feb 11, 2011
Jan 20, 2011
Copy of the international search report
Search/Exam
Jan 20, 2011
Published international application - A1
Search/Exam
Nov 4, 2010
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Jul 23, 2010
Abstract
PCTISA
Jul 23, 2010
Claims
PCTISA
Jul 23, 2010
Description
PCTISA
Jul 23, 2010
Drawings
PCTISA