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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Description
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Refund of fees
Search/Exam
Feb 13, 2024
Feb 8, 2024
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Feb 1, 2024
(Electronic) Receipt
Appeal
Feb 1, 2024
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Withdrawal of an appeal
Appeal
Jan 25, 2024
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(Electronic) Receipt
Appeal
Jan 2, 2024
Notice of appeal
Appeal
Jan 2, 2024
Notice of appeal
Appeal
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Apr 6, 2021
Feb 25, 2021
Decision to grant a European patent
Search/Exam
Feb 10, 2021
(Electronic) Receipt
Search/Exam
Feb 10, 2021
English translation of the claims
Search/Exam
Feb 10, 2021
Filing of the translations of the claims
Search/Exam
Feb 10, 2021
French translation of claims
Search/Exam
Feb 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Intention to grant (signatures)
Search/Exam
Nov 23, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 23, 2020
Sep 24, 2020
Examination started
Search/Exam
Mar 16, 2020
(Electronic) Receipt
Search/Exam
Mar 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2020
Priority search results
Search/Exam
Mar 16, 2020
Feb 24, 2020
Feb 12, 2020
(Electronic) Receipt
Search/Exam
Feb 12, 2020
Feb 12, 2020
Amended claims with annotations
Search/Exam
Feb 12, 2020
Feb 12, 2020
Amended description with annotations
Search/Exam
Feb 12, 2020
Amendments received before examination
Search/Exam
Feb 12, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2020
Document concerning representation
Search/Exam
Aug 20, 2019
Jul 17, 2019
Notification of forthcoming publication
Search/Exam
Jul 2, 2019
Jul 2, 2019
European search opinion
Search/Exam
Jul 2, 2019
European search report
Search/Exam
Jul 2, 2019
Information on Search Strategy
Search/Exam
Jun 20, 2019
Search started
Search/Exam
Mar 25, 2019
Communication to designated inventor
Search/Exam
Mar 25, 2019
Communication to designated inventor
Search/Exam
Feb 20, 2019
Letter concerning the priority
Search/Exam
Feb 20, 2019
Priority document
Search/Exam
Jan 30, 2019
Abstract
Search/Exam
Jan 30, 2019
Jan 30, 2019
Claims
Search/Exam
Jan 30, 2019
Description
Search/Exam
Jan 30, 2019
Designation of inventor
Search/Exam
Jan 30, 2019
Drawings
Search/Exam
Jan 30, 2019
Request for grant of a European patent
Search/Exam