The patent EP3524951B1 was granted to Techem Energy Services on Mar 24, 2021 following the initial filing on Jan 30, 2019 under the application number EP19154512A . The current legal status of the patent is Granted And Under Opposition.
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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EP19154512: Refund of fees
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EP19154512: (Electronic) Receipt
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Feb 10, 2021
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EP19154512: French translation of claims
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Feb 10, 2021
Nov 23, 2020
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EP19154512: Intention to grant (signatures)
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Nov 23, 2020
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Sep 24, 2020
EP19154512: Examination started
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Mar 16, 2020
EP19154512: (Electronic) Receipt
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Mar 16, 2020
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EP19154512: Priority search results
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Mar 16, 2020
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Feb 12, 2020
EP19154512: (Electronic) Receipt
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EP19154512: Amended claims with annotations
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EP19154512: European search opinion
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Jul 2, 2019
EP19154512: European search report
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Jul 2, 2019
EP19154512: Information on Search Strategy
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Jun 20, 2019
EP19154512: Search started
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Feb 20, 2019
EP19154512: Letter concerning the priority
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Feb 20, 2019
EP19154512: Priority document
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Jan 30, 2019
EP19154512: Abstract
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Jan 30, 2019
Jan 30, 2019
EP19154512: Claims
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Jan 30, 2019
EP19154512: Description
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Jan 30, 2019
EP19154512: Designation of inventor
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Jan 30, 2019
EP19154512: Drawings
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Jan 30, 2019