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The patent EP3630695 was granted to USG Interiors on Dec 25, 2024. The application was filed on May 23, 2018 under application number EP18734330A. 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 |
|---|---|---|---|
| ROCKWOOL | Aug 31, 2022 | GILL JENNINGS & EVERY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US1769519 |
| DESCRIPTION | US2020403 |
| DESCRIPTION | US4720295 |
| DESCRIPTION | US5709728 |
| DESCRIPTION | US5911818 |
| INTERNATIONAL-SEARCH-REPORT | US2012168054 |
| INTERNATIONAL-SEARCH-REPORT | US2012285643 |
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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Letter accompanying subsequently filed items
Search/Exam
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Dec 21, 2021
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Decision to grant a European patent
Search/Exam
Nov 1, 2021
(Electronic) Receipt
Search/Exam
Nov 1, 2021
Filing of the translations of the claims
Search/Exam
Nov 1, 2021
French translation of claims
Search/Exam
Nov 1, 2021
German translation of the claims
Search/Exam
Nov 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2021
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Intention to grant (signatures)
Search/Exam
Aug 26, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 26, 2021
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Examination started
Search/Exam
Jul 24, 2020
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Jul 24, 2020
Amendments received before examination
Search/Exam
Jul 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2020
Communication to designated inventor
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Apr 20, 2020
(Electronic) Receipt
Search/Exam
Apr 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2020
Letter concerning the inventor
Search/Exam
Apr 14, 2020
Apr 2, 2020
Letter which had not been notified
Search/Exam
Mar 11, 2020
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Matter concerning the application
Search/Exam
Jan 14, 2020
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Matter concerning the application
Search/Exam
Jan 9, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jan 9, 2020
Communication to designated inventor
Search/Exam
Dec 27, 2019
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(Electronic) Receipt
Search/Exam
Dec 23, 2019
Request for entry into the European phase
Search/Exam
Dec 23, 2019
Dec 9, 2019
Oct 31, 2019
Oct 31, 2019
Notification of the recording of a change
Search/Exam
Oct 7, 2019
Information on entry into European phase
Search/Exam
Dec 21, 2018
Nov 29, 2018
Copy of the international search report
Search/Exam
Nov 29, 2018
Published international application - A1
Search/Exam
Aug 29, 2018
ISR: cited documents
PCTISA
Aug 28, 2018
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Abstract
PCTISA
Jun 8, 2018
Annex
PCTISA
Jun 8, 2018
Claims
PCTISA
Jun 8, 2018
Description
PCTISA
Jun 8, 2018
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