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The patent EP2567473 was granted to Viasat on Apr 4, 2018. The application was filed on May 2, 2011 under application number EP11778122A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| THE EUROPEAN UNION | Jan 4, 2019 | GEVERS PATENTS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4232266 |
| INTERNATIONAL-SEARCH-REPORT | US2002159403 |
| INTERNATIONAL-SEARCH-REPORT | US2007135051 |
| INTERNATIONAL-SEARCH-REPORT | US6522643 |
| INTERNATIONAL-SEARCH-REPORT | WO9832245 |
| OPPOSITION | EP1130800 |
| OPPOSITION | US2002159403 |
| OPPOSITION | US2007135051 |
| OPPOSITION | US3711855 |
| OPPOSITION | US4232266 |
| OPPOSITION | US4381562 |
| OPPOSITION | US4931802 |
| OPPOSITION | US6522643 |
| OPPOSITION | US6842437 |
| OPPOSITION | WO2006107988 |
| OPPOSITION | WO2008076877 |
| OPPOSITION | WO2008116075 |
| SEARCH | US4232266 |
| SEARCH | WO2008107010 |
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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Dec 10, 2025
Dec 5, 2025
(Electronic) Receipt
Appeal
Dec 5, 2025
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Oct 24, 2025
(Electronic) Receipt
Appeal
Oct 24, 2025
General authorisation
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jun 5, 2025
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Notice of appeal
Appeal
Apr 14, 2025
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Means of redress
OPPO
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Advice of delivery
Appeal
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Appeal
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Appeal
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Appeal
Nov 30, 2021
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Reply to appeal
Appeal
Jul 21, 2021
Jul 15, 2021
(Electronic) Receipt
Appeal
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May 25, 2021
(Electronic) Receipt
Appeal
May 25, 2021
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Notice of appeal
Appeal
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Means of redress
OPPO
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Apr 16, 2018
Mar 8, 2018
Decision to grant a European patent
Search/Exam
Feb 21, 2018
(Electronic) Receipt
Search/Exam
Feb 21, 2018
French translation of claims
Search/Exam
Feb 21, 2018
German translation of the claims
Search/Exam
Feb 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2017
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Oct 11, 2017
Intention to grant (signatures)
Search/Exam
Oct 11, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 11, 2017
Sep 14, 2017
Submission concerning representation
Search/Exam
Jul 27, 2017
Examination started
Search/Exam
Apr 7, 2017
(Electronic) Receipt
Search/Exam
Apr 7, 2017
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Amended claims with annotations
Search/Exam
Apr 7, 2017
Amended claims with annotations
Search/Exam
Apr 7, 2017
Amended claims with annotations
Search/Exam
Apr 7, 2017
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Amended description with annotations
Search/Exam
Apr 7, 2017
Amendments received before examination
Search/Exam
Apr 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2016
Sep 8, 2016
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European search opinion
Search/Exam
Sep 8, 2016
Information on Search Strategy
Search/Exam
Sep 8, 2016
Supplementary European search report
Search/Exam
Jul 28, 2015
Search started
Search/Exam
Apr 15, 2015
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Jan 26, 2015
General authorisation
Search/Exam
Jan 26, 2015
Feb 13, 2013
Dec 11, 2012
Dec 7, 2012
Communication to designated inventor
Search/Exam
Dec 7, 2012
Communication to designated inventor
Search/Exam
Nov 28, 2012
Refund of fees
Search/Exam
Nov 21, 2012
Nov 9, 2012
(Electronic) Receipt
Search/Exam
Nov 9, 2012
Nov 9, 2012
Request for entry into the European phase
Search/Exam
Sep 14, 2012
Information on entry into European phase
Search/Exam
Nov 28, 2011
Nov 28, 2011
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Nov 10, 2011
Copy of the international search report
Search/Exam