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The patent EP3813274 was granted to Orckit on Jul 20, 2022. The application was filed on Apr 13, 2012 under application number EP20214536A. 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 |
|---|---|---|---|
| CISCO SYSTEMS | Apr 20, 2023 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1881643 |
| OPPOSITION | US2003185201 |
| OPPOSITION | US2005007951 |
| OPPOSITION | US2006047851 |
| OPPOSITION | US2006153179 |
| OPPOSITION | US2007008982 |
| OPPOSITION | US2007253326 |
| OPPOSITION | US2008117912 |
| OPPOSITION | US2008240101 |
| OPPOSITION | US2009109869 |
| OPPOSITION | US2010104282 |
| OPPOSITION | US2010303081 |
| OPPOSITION | US2011194404 |
| OPPOSITION | US6362905 |
| OPPOSITION | US7345991 |
| OPPOSITION | US7719958 |
| OPPOSITION | WO2011003459 |
| SEARCH | US2006047851 |
| SEARCH | US7345991 |
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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Decision to grant a European patent
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Jun 13, 2022
(Electronic) Receipt
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Jun 13, 2022
Filing of the translations of the claims
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Jun 13, 2022
French translation of claims
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Jun 13, 2022
German translation of the claims
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Feb 23, 2022
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Intention to grant (signatures)
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Feb 23, 2022
Text intended for grant (clean copy)
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Feb 23, 2022
Feb 11, 2022
Examination started
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Dec 31, 2021
Document concerning representation
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May 3, 2021
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(Electronic) Receipt
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Apr 30, 2021
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Amended claims with annotations
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Apr 30, 2021
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Amended description with annotations
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Apr 30, 2021
Amendments received before examination
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Apr 30, 2021
Letter accompanying subsequently filed items
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Mar 31, 2021
Notification of forthcoming publication
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Mar 10, 2021
Refund of fees
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Mar 4, 2021
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European search opinion
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Mar 4, 2021
European search report
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Mar 4, 2021
Information on Search Strategy
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Feb 10, 2021
Search started
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Feb 8, 2021
Communication to designated inventor
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Communication to designated inventor
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Dec 16, 2020
Abstract
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Claims
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Dec 16, 2020
Description
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Dec 16, 2020
Designation of inventor
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Dec 16, 2020
Drawings
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Dec 16, 2020
Request for grant of a European patent
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Nov 6, 2012