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The patent EP3503507 was granted to Solarflare Communications on Feb 3, 2021. The application was filed on Dec 19, 2018 under application number EP18214201A. 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 |
|---|---|---|---|
| BUNDESDRUCKEREI | Nov 3, 2021 | PATENTSHIP PATENTANWALTSGESELLSCHAFT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN105516191 |
| OPPOSITION | EP2463782 |
| OPPOSITION | US2002184487 |
| OPPOSITION | US2003231649 |
| OPPOSITION | US2008273532 |
| OPPOSITION | US2013080567 |
| OPPOSITION | US2014324939 |
| OPPOSITION | US2015244574 |
| OPPOSITION | US2015261556 |
| OPPOSITION | US2016127494 |
| OPPOSITION | US2016301613 |
| OPPOSITION | US2016352870 |
| OPPOSITION | US6708218 |
| OPPOSITION | US7869352 |
| OPPOSITION | WO2016003489 |
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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Mar 17, 2025
Mar 17, 2025
Mar 17, 2025
Mar 12, 2025
Refund of fees
Appeal
Mar 11, 2025
Mar 11, 2025
Mar 7, 2025
Mar 6, 2025
(Electronic) Receipt
Appeal
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
Withdrawal of an appeal
Appeal
Mar 5, 2025
Feb 27, 2025
(Electronic) Receipt
Appeal
Feb 27, 2025
Feb 27, 2025
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Nov 11, 2024
(Electronic) Receipt
Appeal
Nov 11, 2024
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Oct 31, 2024
Apr 17, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2024
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
Mar 6, 2024
Oct 5, 2023
Oct 5, 2023
Sep 29, 2023
(Electronic) Receipt
Appeal
Sep 29, 2023
Sep 29, 2023
Reply to appeal
Appeal
Sep 28, 2023
(Electronic) Receipt
Appeal
Sep 28, 2023
Sep 28, 2023
Reply to appeal
Appeal
Jul 6, 2023
Jun 30, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2023
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(Electronic) Receipt
Appeal
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Claims
Appeal
May 24, 2023
Claims
Appeal
May 24, 2023
Claims
Appeal
May 24, 2023
Claims
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 21, 2023
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Notice of appeal
Appeal
Mar 15, 2023
(Electronic) Receipt
Appeal
Mar 15, 2023
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Notice of appeal
Appeal
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Means of redress
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Feb 15, 2021
Jan 14, 2021
Decision to grant a European patent
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Filing of the translations of the claims
Search/Exam
Nov 20, 2020
French translation of claims
Search/Exam
Nov 20, 2020
German translation of the claims
Search/Exam
Nov 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2020
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Intention to grant (signatures)
Search/Exam
Jul 22, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 22, 2020
Jun 11, 2020
(Electronic) Receipt
Search/Exam
Jun 11, 2020
Amended claims with annotations
Search/Exam
Jun 11, 2020
Claims
Search/Exam
Jun 11, 2020
French translation of claims
Search/Exam
Jun 11, 2020
German translation of the claims
Search/Exam
Jun 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2020
Feb 10, 2020
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Intention to grant (signatures)
Search/Exam
Feb 10, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 10, 2020
Dec 19, 2019
Examination started
Search/Exam
Dec 12, 2019
Dec 11, 2019
(Electronic) Receipt
Search/Exam
Dec 11, 2019
Dec 11, 2019
Amended claims with annotations
Search/Exam
Dec 11, 2019
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Amended description with annotations
Search/Exam
Dec 11, 2019
Amendments received before examination
Search/Exam
Dec 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2019
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Jul 1, 2019
May 29, 2019
Notification of forthcoming publication
Search/Exam
May 17, 2019
May 17, 2019
European search opinion
Search/Exam
May 17, 2019
European search report
Search/Exam
May 17, 2019
Information on Search Strategy
Search/Exam
May 7, 2019
Search started
Search/Exam
Apr 3, 2019
Communication to designated inventor
Search/Exam
Mar 22, 2019
(Electronic) Receipt
Search/Exam
Mar 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2019
Letter concerning the inventor
Search/Exam
Mar 13, 2019
Mar 6, 2019
Letter which had not been notified
Search/Exam
Feb 11, 2019
Communication to designated inventor
Search/Exam
Feb 11, 2019
Communication to designated inventor
Search/Exam
Feb 11, 2019
Communication to designated inventor
Search/Exam
Feb 11, 2019
Communication to designated inventor
Search/Exam
Jan 30, 2019
Jan 9, 2019
(Electronic) Receipt
Search/Exam
Jan 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2019
Letter concerning the inventor
Search/Exam
Jan 4, 2019
Dec 19, 2018
Abstract
Search/Exam
Dec 19, 2018
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Claims
Search/Exam
Dec 19, 2018
Description
Search/Exam
Dec 19, 2018
Designation of inventor
Search/Exam
Dec 19, 2018
Drawings
Search/Exam
Dec 19, 2018
Request for grant of a European patent
Search/Exam