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The patent EP3402553 was granted to W L Gore & Associates on Jan 1, 2020. The application was filed on Feb 27, 2018 under application number EP18712307A. 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 |
|---|---|---|---|
| GILL JENNINGS & EVERY | Jul 22, 2020 | GILL JENNINGS & EVERY | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012251748 |
| DESCRIPTION | US2014212612 |
| DESCRIPTION | US2016022918 |
| DESCRIPTION | US5374473 |
| DESCRIPTION | US5708044 |
| DESCRIPTION | US5792525 |
| DESCRIPTION | US6030694 |
| DESCRIPTION | US6541589 |
| DESCRIPTION | US7521010 |
| DESCRIPTION | US7531611 |
| DESCRIPTION | US8637144 |
| DESCRIPTION | US8658707 |
| DESCRIPTION | US8722178 |
| DESCRIPTION | US9139669 |
| DESCRIPTION | WO9413469 |
| INTERNATIONAL-SEARCH-REPORT | EP0671179 |
| INTERNATIONAL-SEARCH-REPORT | EP2653484 |
| INTERNATIONAL-SEARCH-REPORT | US2011313363 |
| INTERNATIONAL-SEARCH-REPORT | US6461334 |
| INTERNATIONAL-SEARCH-REPORT | WO2015105937 |
| INTERNATIONAL-SEARCH-REPORT | WO9944755 |
| OPPOSITION | EP0026940 |
| OPPOSITION | EP2653484 |
| OPPOSITION | EP3402555 |
| OPPOSITION | JP2010142573 |
| OPPOSITION | JP2013006996 |
| OPPOSITION | JP4481416B |
| OPPOSITION | JPH1024105 |
| OPPOSITION | US2003023206 |
| OPPOSITION | US2012251748 |
| OPPOSITION | US7766882 |
| OPPOSITION | US8722178 |
| OPPOSITION | WO2015054282 |
| OTHER | EP0026940 |
| OTHER | EP1060031 |
| OTHER | EP2095836 |
| OTHER | EP3006066 |
| OTHER | EP3028730 |
| OTHER | EP3402555 |
| OTHER | JP4481416B |
| OTHER | US2015148751 |
| OTHER | US2015165125 |
| OTHER | US2016082194 |
| OTHER | WO03006083 |
| OTHER | WO2011059823 |
| OTHER | WO2013115331 |
| OTHER | WO2014155008 |
| OTHER | WO2014169977 |
| OTHER | WO2014194918 |
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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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Dec 2, 2022
(Electronic) Receipt
Appeal
Dec 2, 2022
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Reply to appeal
Appeal
Dec 2, 2022
Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Jul 19, 2022
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(Electronic) Receipt
Appeal
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Appeal
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Claims
Appeal
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Appeal
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Appeal
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Claims
Appeal
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Claims
Appeal
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Appeal
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Appeal
Jul 8, 2022
Claims
Appeal
Jul 8, 2022
Claims
Appeal
Jul 8, 2022
Claims
Appeal
Jul 8, 2022
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(Electronic) Receipt
Appeal
May 6, 2022
May 6, 2022
Notice of appeal
Appeal
May 2, 2022
May 2, 2022
Apr 25, 2022
(Electronic) Receipt
Appeal
Apr 25, 2022
Notice of appeal
Appeal
Mar 14, 2022
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Means of redress
OPPO
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Document concerning representation
Search/Exam
Nov 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2021
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Nov 4, 2019
Sep 26, 2019
Decision to grant a European patent
Search/Exam
Sep 10, 2019
Aug 12, 2019
(Electronic) Receipt
Search/Exam
Aug 12, 2019
Filing of the translations of the claims
Search/Exam
Aug 12, 2019
French translation of claims
Search/Exam
Aug 12, 2019
German translation of the claims
Search/Exam
Aug 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Intention to grant (signatures)
Search/Exam
Apr 18, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 18, 2019
Jan 9, 2019
(Electronic) Receipt
Search/Exam
Jan 9, 2019
Amended claims with annotations
Search/Exam
Jan 9, 2019
Claims
Search/Exam
Jan 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2019
Dec 10, 2018
Annex to the communication
Search/Exam
Dec 10, 2018
Communication from the Examining Division
Search/Exam
Nov 30, 2018
Nov 29, 2018
Examination started
Search/Exam
Nov 21, 2018
Observations by third parties
Search/Exam
Oct 24, 2018
Sep 20, 2018
Sep 19, 2018
Sep 14, 2018
Sep 14, 2018
Sep 11, 2018
Sep 5, 2018
Communication to designated inventor
Search/Exam
Sep 5, 2018
Communication to designated inventor
Search/Exam
Sep 5, 2018
Communication to designated inventor
Search/Exam
Aug 30, 2018
Copy of the international search report
Search/Exam
Aug 30, 2018
Published international application - A1
Search/Exam
Aug 14, 2018
(Electronic) Receipt
Search/Exam
Aug 14, 2018
Aug 14, 2018
Amended claims with annotations
Search/Exam
Aug 14, 2018
Aug 14, 2018
Amended description with annotations
Search/Exam
Aug 14, 2018
Amendments received before examination
Search/Exam
Aug 14, 2018
Annex
Search/Exam
Aug 14, 2018
Request for entry into the European phase
Search/Exam
Jun 11, 2018
ISR: cited documents
PCTISA
Jun 8, 2018
Jun 8, 2018
Jun 8, 2018
Jun 8, 2018
May 3, 2018
Annex
PCTISA
May 3, 2018
May 3, 2018
Apr 4, 2018
Mar 19, 2018
Abstract
PCTISA
Mar 19, 2018
Annex
PCTISA
Mar 19, 2018
Claims
PCTISA
Mar 19, 2018
Description
PCTISA
Mar 19, 2018
Drawings
PCTISA
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018