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The patent EP2536784 was granted to Exxonmobil Chemical Patents on Nov 25, 2020. The application was originally filed on Jan 27, 2011 under application number EP11704350A. The patent is currently recorded with a legal status of "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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004024146 |
| DESCRIPTION | US2004236042 |
| DESCRIPTION | US2006183861 |
| DESCRIPTION | US2009163648 |
| DESCRIPTION | US7601666 |
| INTERNATIONAL-SEARCH-REPORT | US2006058463 |
| INTERNATIONAL-SEARCH-REPORT | US2006135699 |
| INTERNATIONAL-SEARCH-REPORT | US2006183861 |
| INTERNATIONAL-SEARCH-REPORT | US2007015877 |
| INTERNATIONAL-SEARCH-REPORT | US7256240 |
| INTERNATIONAL-SEARCH-REPORT | WO2004046214 |
| OPPOSITION | EP0693506 |
| OPPOSITION | EP0780395 |
| OPPOSITION | EP1889873 |
| OPPOSITION | US2004024146 |
| OPPOSITION | US2006183861 |
| OPPOSITION | US4120844 |
| OPPOSITION | US4328139 |
| OPPOSITION | WO0144367 |
| OPPOSITION | WO2009076768 |
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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French translation of claims
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Examination started
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CDS Clean up - amended applicant details
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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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(Electronic) Receipt
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Amended claims with annotations
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Annex
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Sep 10, 2012
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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Aug 25, 2011
Published international application - A1
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Abstract
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Feb 16, 2011
Description
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Feb 16, 2011
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