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The patent EP3598448 was granted to Dolby Laboratories Licensing on Aug 23, 2023. The application was filed on Mar 25, 2014 under application number EP19190808A. 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 |
|---|---|---|---|
| KS HIMPP | May 25, 2021 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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
Search/Exam
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter concerning fees and payments
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Reply to Written Opinion prepared by the EPO
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European search opinion
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European search report
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Information on Search Strategy
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Notification of forthcoming publication
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Refund of fees
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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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Oct 24, 2019
Search started
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Abstract
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Claims
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Description
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Matter concerning the application
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Aug 8, 2019
Request for grant of a European patent
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