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The patent EP3113493 was granted to Sony on Aug 3, 2022. The application was originally filed on Oct 14, 2011 under application number EP16181274A. 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 |
|---|---|---|---|
| UNIFIED PATENTS | Sep 3, 2020 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1753243 |
| OPPOSITION | US2003147463 |
| OPPOSITION | US2006087585 |
| OPPOSITION | US2008192824 |
| OPPOSITION | US2010272417 |
| OPPOSITION | US6856701 |
| OPPOSITION | US7194141 |
| OPPOSITION | US7801735 |
| OPPOSITION | WO2004077810 |
| OPPOSITION | WO2011042898 |
| SEARCH | US2003147463 |
| SEARCH | US2008192824 |
| SEARCH | US7194141 |
| SEARCH | WO2004077810 |
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 5, 2022
Refund of fees
Search/Exam
Dec 2, 2022
Communication from the Legal Division
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Oct 11, 2022
Sep 30, 2022
(Electronic) Receipt
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Sep 30, 2022
Annexes in respect of a client data request
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Sep 30, 2022
Annexes in respect of a client data request
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Sep 30, 2022
Letter accompanying subsequently filed items
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Decision to grant a European patent
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Oct 22, 2019
(Electronic) Receipt
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Oct 22, 2019
Filing of the translations of the claims
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Oct 22, 2019
French translation of claims
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Oct 22, 2019
German translation of the claims
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Jun 14, 2019
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Intention to grant (signatures)
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Jun 14, 2019
Text intended for grant (clean copy)
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Jun 14, 2019
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Amended claims with annotations
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Mar 20, 2019
Claims
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Mar 20, 2019
Aug 13, 2018
Advice of delivery
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Aug 7, 2018
Advice of delivery
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Aug 2, 2018
Acknowledgement of a document
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Aug 2, 2018
Annex to the communication
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Aug 2, 2018
Preparation for oral proceedings
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Aug 2, 2018
Summons to attend oral proceedings
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Mar 2, 2018
Amended claims with annotations
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Mar 2, 2018
Claims
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Mar 2, 2018
Nov 2, 2017
Annex to the communication
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Nov 2, 2017
Communication from the Examining Division
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Oct 24, 2017
Examination started
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Jul 3, 2017
(Electronic) Receipt
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Jul 3, 2017
Letter accompanying subsequently filed items
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Jun 29, 2017
(Electronic) Receipt
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Jun 29, 2017
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Amended claims with annotations
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Amended description with annotations
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Jun 29, 2017
Amendments received before examination
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Jun 29, 2017
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Letter accompanying subsequently filed items
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Jun 20, 2017
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Dec 14, 2016
Refund of fees
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Dec 7, 2016
Notification of forthcoming publication
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Nov 8, 2016
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European search opinion
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Nov 8, 2016
European search report
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Nov 8, 2016
Information on Search Strategy
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Oct 25, 2016
Search started
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Oct 14, 2016
Communication to designated inventor
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Jul 26, 2016
Abstract
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Jul 26, 2016
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Claims
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Jul 26, 2016
Description
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Jul 26, 2016
Designation of inventor
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Jul 26, 2016
Drawings
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Jul 26, 2016
Letter concerning search matters
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Jul 26, 2016
Request for grant of a European patent
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Jul 4, 2012
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