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The patent EP3186300 was granted to Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on Dec 18, 2024. The application was filed on Aug 12, 2015 under application number EP15752998A. 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 |
|---|---|---|---|
| DOW SILICONES | Jan 31, 2020 | MURGITROYD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102009019745 |
| EXAMINATION | WO9957177 |
| INTERNATIONAL-SEARCH-REPORT | US2006138686 |
| INTERNATIONAL-SEARCH-REPORT | WO2008002805 |
| OPPOSITION | JP2007023220 |
| OPPOSITION | JP2011202050 |
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.
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Description
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Nov 14, 2024
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Description
OPPO
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Description
OPPO
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Appeal
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Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Mar 13, 2019
English translation of the claims
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Nov 13, 2018
Letter accompanying subsequently filed items
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Nov 13, 2018
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Annex to the communication
Search/Exam
May 8, 2018
Communication from the Examining Division
Search/Exam
Apr 25, 2018
(Electronic) Receipt
Search/Exam
Apr 25, 2018
Letter accompanying subsequently filed items
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Apr 25, 2018
Dec 15, 2017
Annex to the communication
Search/Exam
Dec 15, 2017
Communication from the Examining Division
Search/Exam
Dec 12, 2017
Examination started
Search/Exam
Jul 27, 2017
Jul 26, 2017
Communication to designated inventor
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Jul 20, 2017
(Electronic) Receipt
Search/Exam
Jul 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2017
Letter concerning the inventor
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 4, 2017
Communication to designated inventor
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Mar 23, 2017
(Electronic) Receipt
Search/Exam
Mar 23, 2017
Priority search results
Search/Exam
Mar 23, 2017
Request for entry into the European phase
Search/Exam
Mar 13, 2017
Jan 9, 2017
Information on entry into European phase
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Mar 22, 2016
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Copy of the international search report
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Mar 3, 2016
Published international application - A1
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Oct 6, 2015
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Aug 12, 2015
(Electronic) Receipt
PCTRO
Aug 12, 2015
Abstract
PCTRO
Aug 12, 2015
Claims
PCTRO
Aug 12, 2015
Description
PCTRO
Aug 12, 2015
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Drawings
PCTRO
Aug 12, 2015