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The patent EP3755769 was granted to Exxonmobil Chemical Patents on Jul 31, 2024. The application was filed on Jan 14, 2019 under application number EP19703821A. The patent is currently recorded with a legal status of "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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| CHEVRON PHILLIPS CHEMICAL LP | Apr 24, 2025 | HASELTINE LAKE KEMPNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19440626320 |
| DESCRIPTION | EP181670688 |
| DESCRIPTION | US2014113847 |
| DESCRIPTION | US4973788 |
| DESCRIPTION | US6548724 |
| DESCRIPTION | US6846778 |
| DESCRIPTION | US7053254 |
| DESCRIPTION | US7241375 |
| DESCRIPTION | US7344631 |
| DESCRIPTION | US7704930 |
| DESCRIPTION | US8048833 |
| DESCRIPTION | US9422497 |
| DESCRIPTION | US9458403 |
| DESCRIPTION | WO2005121280 |
| DESCRIPTION | WO2013055480 |
| INTERNATIONAL-SEARCH-REPORT | US2013090273 |
| INTERNATIONAL-SEARCH-REPORT | US2017183594 |
| INTERNATIONAL-SEARCH-REPORT | WO2006101583 |
| INTERNATIONAL-SEARCH-REPORT | WO2018175830 |
| OPPOSITION | JP2014169460 |
| OPPOSITION | US2001041818 |
| OPPOSITION | US2008194442 |
| OPPOSITION | US2013090278 |
| OPPOSITION | US2017005303 |
| OPPOSITION | US9399746 |
| OPPOSITION | WO2006101583 |
| OPPOSITION | WO2009073135 |
| OPPOSITION | WO2014134506 |
| OPPOSITION | WO2016109325 |
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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Description
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Decision to grant a European patent
Search/Exam
Jun 25, 2024
(Electronic) Receipt
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Jun 25, 2024
Filing of the translations of the claims
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Jun 25, 2024
French translation of claims
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Jun 25, 2024
German translation of the claims
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Intention to grant (signatures)
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Mar 18, 2024
Text intended for grant (clean copy)
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Mar 18, 2024
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(Electronic) Receipt
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Feb 22, 2024
Amended claims with annotations
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Amended description with annotations
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Feb 22, 2024
Claims
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Feb 22, 2024
Description
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Feb 22, 2024
Letter accompanying subsequently filed items
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Annex to the communication
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Oct 24, 2023
Communication from the Examining Division
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Oct 17, 2023
Examination started
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Mar 10, 2021
(Electronic) Receipt
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Mar 10, 2021
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Amended claims with annotations
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Mar 10, 2021
Amendments received before examination
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Mar 10, 2021
Letter accompanying subsequently filed items
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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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Communication to designated inventor
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Sep 25, 2020
Communication to designated inventor
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Sep 22, 2020
Priority search results copy provided by EPO
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Sep 7, 2020
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(Electronic) Receipt
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Aug 21, 2020
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Amendments received before examination
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Aug 21, 2020
Request for entry into the European phase
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Jun 26, 2020
Information on entry into European phase
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Sep 10, 2019
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Copy of the international search report
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Aug 22, 2019
Published international application - A1
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May 28, 2019
ISR: cited documents
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Annex
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Abstract
PCTISA
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Annex
PCTISA
Feb 5, 2019
Claims
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Description
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