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The patent EP3300421 was granted to Conversant Wireless Licensing S RL on Aug 21, 2019. The application was filed on Sep 30, 2005 under application number EP17188939A. 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 |
|---|---|---|---|
| ASUS COMPUTER | Jun 2, 2020 | KEENWAY PATENTANWALTE NEUMANN HEINE TARUTTIS | WITHDRAWN |
| TESLA GERMANY | Jun 1, 2020 | CMS CAMERON MCKENNA NABARRO OLSWANG | WITHDRAWN |
| CONTINENTAL AUTOMOTIVE | May 20, 2020 | BRAUN DULLAEUS PANNEN EMMERLING PATENT & RECHTSANWALTSPARTNERSCHAFT MBB | WITHDRAWN |
| HUAWEI | May 20, 2020 | BRAUN DULLAEUS PANNEN EMMERLING PATENT & RECHTSANWALTSPARTNERSCHAFT MBB | WITHDRAWN |
| LG ELECTRONICS | May 19, 2020 | MOOSER | WITHDRAWN |
| DAIMLER | May 18, 2020 | GROSCH | WITHDRAWN |
| ROBERT BOSCH | May 18, 2020 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | WITHDRAWN |
| TOMTOM SALES | May 18, 2020 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1617607 |
| OPPOSITION | EP1748593 |
| OPPOSITION | JP2004179917 |
| OPPOSITION | US2002082033 |
| OPPOSITION | US2003086381 |
| OPPOSITION | US2003117968 |
| OPPOSITION | US2004160959 |
| OPPOSITION | US2004185918 |
| OPPOSITION | WO0103381 |
| SEARCH | US2004160959 |
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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Description
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
Search/Exam
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French translation of claims
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German translation of the claims
Search/Exam
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Aug 27, 2018
Communication from the Examining Division
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(Electronic) Receipt
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May 16, 2018
Amended claims with annotations
Search/Exam
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Amended description with annotations
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Claims
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Description
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May 16, 2018
Letter accompanying subsequently filed items
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Refund of fees
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Annex to the communication
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Mar 2, 2018
Communication from the Examining Division
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Mar 1, 2018
Authorisation
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Notification of forthcoming publication
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European search report
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Jan 26, 2018
Information on Search Strategy
Search/Exam
Jan 3, 2018
Search started
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Refund of fees
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Refund of fees
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Nov 21, 2017
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Letter which had not been notified
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Oct 25, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Sep 4, 2017
(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning fees and payments
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(Electronic) Receipt
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Sep 1, 2017
Abstract
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Sep 1, 2017
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Annexes in respect of a client data request
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Sep 1, 2017
Claims
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Sep 1, 2017
Description
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Sep 1, 2017
Designation of inventor
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Sep 1, 2017
Drawings
Search/Exam
Sep 1, 2017
Letter accompanying subsequently filed items
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Sep 1, 2017
Request for correction of client data
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Sep 1, 2017
Request for grant of a European patent
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May 3, 2006
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