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The patent EP3046925 was granted to Wacker Chemie on Oct 16, 2024. The application was filed on Sep 17, 2014 under application number EP14771839A. 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 |
|---|---|---|---|
| MOMENTIVE PERFORMANCE MATERIALS | Feb 28, 2018 | GILLE HRABAL | - |
| MOMENTIVE PERFORMANCE MATERIALS | Feb 28, 2018 | GILLE HRABAL PARTNERSCHAFTSGESELLSCHAFT MBB PATENTANWALTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Sep 19, 2024
Sep 19, 2024
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Jul 3, 2024
Jun 27, 2024
Annexes in respect of a client data request
Search/Exam
Jun 27, 2024
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
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Means of redress
OPPO
Apr 5, 2024
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Apr 2, 2024
Dec 8, 2023
Dec 8, 2023
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Sep 27, 2023
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Abstract
OPPO
Sep 27, 2023
Abstract
OPPO
Sep 27, 2023
Sep 27, 2023
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Jul 28, 2023
Advice of delivery
Appeal
Jul 25, 2023
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(Electronic) Receipt
Appeal
May 19, 2023
May 19, 2023
May 12, 2023
May 8, 2023
(Electronic) Receipt
Appeal
May 8, 2023
May 8, 2023
Apr 18, 2023
Apr 13, 2023
(Electronic) Receipt
Appeal
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
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Claims
Appeal
Apr 13, 2023
Claims
Appeal
Apr 13, 2023
Claims
Appeal
Apr 13, 2023
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Feb 22, 2023
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Advice of delivery
Appeal
Jan 18, 2023
Jan 18, 2023
Aug 17, 2022
Advice of delivery
Appeal
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 5, 2022
Aug 5, 2022
Oct 26, 2020
Oct 16, 2020
Oct 16, 2020
Reply to appeal
Appeal
Jun 17, 2020
Jun 12, 2020
(Electronic) Receipt
Appeal
Jun 12, 2020
Jun 12, 2020
Jun 12, 2020
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Jun 12, 2020
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Apr 22, 2020
Apr 22, 2020
Apr 14, 2020
(Electronic) Receipt
Appeal
Apr 14, 2020
Apr 14, 2020
Notice of appeal
Appeal
Feb 10, 2020
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Feb 4, 2020
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Means of redress
OPPO
Feb 4, 2020
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Claims
OPPO
Feb 27, 2019
Claims
OPPO
Feb 27, 2019
Claims
OPPO
Feb 27, 2019
Claims
OPPO
Feb 27, 2019
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Claims
OPPO
Jul 11, 2018
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Mar 14, 2018
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Feb 28, 2018
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Feb 28, 2018
Feb 28, 2018
Jun 1, 2017
May 8, 2017
Decision to grant a European patent
Search/Exam
Apr 24, 2017
(Electronic) Receipt
Search/Exam
Apr 24, 2017
English translation of the claims
Search/Exam
Apr 24, 2017
Filing of the translations of the claims
Search/Exam
Apr 24, 2017
French translation of claims
Search/Exam
Apr 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Intention to grant (signatures)
Search/Exam
Feb 15, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2017
Jan 16, 2017
Examination started
Search/Exam
Jan 5, 2017
Dec 16, 2016
Jun 29, 2016
Jun 3, 2016
Jun 3, 2016
Amended description with annotations
Search/Exam
Jun 3, 2016
Amendments received before examination
Search/Exam
Jun 1, 2016
Jun 1, 2016
Amended description with annotations
Search/Exam
Jun 1, 2016
Amendments received before examination
Search/Exam
Apr 28, 2016
Apr 25, 2016
Communication to designated inventor
Search/Exam
Mar 30, 2016
Mar 30, 2016
Mar 15, 2016
(Electronic) Receipt
Search/Exam
Mar 15, 2016
Mar 15, 2016
Amended description with annotations
Search/Exam
Mar 15, 2016
General authorisation
Search/Exam
Mar 15, 2016
Request for entry into the European phase
Search/Exam
Jan 29, 2016
Information on entry into European phase
Search/Exam
Jul 16, 2015
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Notification of election of EPO
Search/Exam
May 26, 2015
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PCT demand form
PCT2
May 12, 2015
May 12, 2015
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May 12, 2015
Apr 14, 2015
Mar 26, 2015
Copy of the international search report
Search/Exam
Mar 26, 2015
Copy of the international search report
Search/Exam
Mar 26, 2015
Published international application - A1
Search/Exam
Jan 13, 2015
Jan 13, 2015
Jan 13, 2015
Sep 25, 2014
Annex
PCTRO
Sep 17, 2014
(Electronic) Receipt
PCTRO
Sep 17, 2014
Abstract
PCTRO
Sep 17, 2014
Claims
PCTRO
Sep 17, 2014
Description
PCTRO
Sep 17, 2014