The patent EP3403631 was granted to Drylock on Sep 30, 2020. The application was originally filed on Nov 9, 2017 under application number EP17200847A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2007233029 |
| OPPOSITION | EP2586409 |
| OPPOSITION | US2014039437 |
| OPPOSITION | US2015065973 |
| OPPOSITION | US2015080837 |
| OPPOSITION | US2016206482 |
| SEARCH | US2014163503 |
| SEARCH | US2015065973 |
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Description
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Appeal
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Letter accompanying subsequently filed items
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Claims
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Notice of appeal
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Notice of appeal
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Sep 3, 2020
Decision to grant a European patent
Search/Exam
Aug 19, 2020
(Electronic) Receipt
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Aug 19, 2020
Filing of the translations of the claims
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Aug 19, 2020
French translation of claims
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German translation of the claims
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Jul 31, 2020
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Intention to grant (signatures)
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Jul 31, 2020
Text intended for grant (clean copy)
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Jul 31, 2020
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Observations by third parties
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Jun 10, 2020
Observations by third parties
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(Electronic) Receipt
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Jun 4, 2020
Amended claims with annotations
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Amended description with annotations
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Claims
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Jun 4, 2020
Description
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Jun 4, 2020
Letter accompanying subsequently filed items
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May 27, 2020
Observations by third parties
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May 27, 2020
Observations by third parties
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Apr 7, 2020
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Jan 31, 2020
Nov 26, 2019
Annex to the communication
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Nov 26, 2019
Communication from the Examining Division
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Jul 4, 2019
(Electronic) Receipt
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Jul 4, 2019
Amended claims with annotations
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Claims
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Jul 4, 2019
Letter accompanying subsequently filed items
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Jul 4, 2019
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Annex to the communication
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Mar 5, 2019
Communication from the Examining Division
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Feb 27, 2019
Examination started
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Jan 23, 2019
Correction to A-publication
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Dec 10, 2018
(Electronic) Receipt
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Dec 10, 2018
Letter accompanying subsequently filed items
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Dec 10, 2018
Request for correction
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Nov 26, 2018
Oct 24, 2018
Notification of forthcoming publication
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Jul 16, 2018
(Electronic) Receipt
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Jul 16, 2018
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Amended claims with annotations
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Amended description with annotations
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Amendments received before examination
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Jul 16, 2018
Letter accompanying subsequently filed items
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Jul 11, 2018
Refund of fees
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Jul 4, 2018
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European search opinion
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Jul 4, 2018
European search report
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Jul 4, 2018
Information on Search Strategy
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Jun 29, 2018
Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Priority search results copy provided by EPO
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Search started
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Jan 18, 2018
Priority search results copy provided by EPO
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Jan 16, 2018
(Electronic) Receipt
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Jan 16, 2018
Drawings
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Jan 16, 2018
Letter accompanying subsequently filed items
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Communication to designated inventor
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Jan 4, 2018
Communication to designated inventor
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Communication to designated inventor
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Jan 4, 2018
Communication to designated inventor
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Nov 20, 2017
Nov 9, 2017
Abstract
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Nov 9, 2017
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Claims
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Nov 9, 2017
Description
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Nov 9, 2017
Designation of inventor
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Nov 9, 2017
Drawings
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Nov 9, 2017
Request for grant of a European patent
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Nov 9, 2017
Submission concerning representation
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