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The patent EP3585868 was granted to Exxonmobil Research And Engineering on Aug 31, 2022. The application was filed on Jan 23, 2018 under application number EP18706332A. 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 |
|---|---|---|---|
| NESTE OYJ | May 30, 2023 | ZACCO DENMARK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004128905 |
| INTERNATIONAL-SEARCH-REPORT | US2013333652 |
| INTERNATIONAL-SEARCH-REPORT | WO2011073780 |
| OPPOSITION | US2004128905 |
| OPPOSITION | US2013333652 |
| OPPOSITION | WO2011073780 |
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
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Jul 26, 2022
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Jul 26, 2022
French translation of claims
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Jul 26, 2022
German translation of the claims
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Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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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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Communication from the Examining Division
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Examination started
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Communication to designated inventor
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning the inventor
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Change to the inventor details
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Communication to designated inventor
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter concerning the inventor
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Letter concerning the inventor
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Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Request for entry into the European phase
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Jul 5, 2019
Information on entry into European phase
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Copy of the international search report
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Aug 30, 2018
Published international application - A1
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Apr 5, 2018
ISR: cited documents
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Abstract
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Annex
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Claims
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Description
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Drawings
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