The patent EP3238538B2 was granted to Michalski Saemann Spering GBR on Aug 30, 2023 following the initial filing on Apr 18, 2017 under the application number EP17166783A . The current legal status of the patent is 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.
The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.
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EP17166783: Refund of fees
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Sep 17, 2020
Sep 7, 2020
EP17166783: (Electronic) Receipt
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EP17166783: French translation of claims
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EP17166783: Intention to grant (signatures)
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EP17166783: Examination started
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EP17166783: European search opinion
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Sep 28, 2017
EP17166783: European search report
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Sep 28, 2017
EP17166783: Information on Search Strategy
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Sep 7, 2017
EP17166783: Search started
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EP17166783: Letter concerning the priority
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Apr 25, 2017
EP17166783: Priority document
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Apr 18, 2017
EP17166783: Abstract
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Apr 18, 2017
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EP17166783: Claims
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Apr 18, 2017
EP17166783: Description
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Apr 18, 2017
EP17166783: Designation of inventor
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Apr 18, 2017
EP17166783: Drawings
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Apr 18, 2017
EP17166783: Priority search results
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Apr 18, 2017