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The patent EP2714672 was granted to Eastman Chemical on Dec 19, 2018. The application was filed on May 10, 2012 under application number EP12789055A. 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 |
|---|---|---|---|
| AVANTIUM SUPPORT | Sep 13, 2019 | EP&C | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2003055271 |
| DESCRIPTION | US2006205977 |
| INTERNATIONAL-SEARCH-REPORT | WO2007092183 |
| INTERNATIONAL-SEARCH-REPORT | WO2010132740 |
| OPPOSITION | GB934292 |
| OPPOSITION | JP2009242312 |
| OPPOSITION | SU448177 |
| OPPOSITION | US2011092720 |
| OPPOSITION | WO0172732 |
| OPPOSITION | WO2004052822 |
| OPPOSITION | WO2006028767 |
| OPPOSITION | WO2007092183 |
| OPPOSITION | WO2010132740 |
| OPPOSITION | WO2011043660 |
| OPPOSITION | WO2012161970 |
| SEARCH | GB934292 |
| SEARCH | WO0172732 |
| SEARCH | WO2012161970 |
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.
Date
Description
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Nov 22, 2018
Decision to grant a European patent
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Nov 8, 2018
(Electronic) Receipt
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Nov 8, 2018
Filing of the translations of the claims
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Nov 8, 2018
French translation of claims
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Nov 8, 2018
German translation of the claims
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Nov 8, 2018
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 4, 2018
Text intended for grant (clean copy)
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Jun 29, 2018
Annex to the communication
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Annex to a communication
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Jun 26, 2018
May 18, 2018
(Electronic) Receipt
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May 18, 2018
Amended description with annotations
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May 18, 2018
Claims
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May 18, 2018
Description
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May 18, 2018
Letter accompanying subsequently filed items
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May 18, 2018
Mar 22, 2018
Amended claims with annotations
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Amended claims with annotations
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Mar 22, 2018
Claims
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Mar 22, 2018
Claims
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Mar 22, 2018
Aug 30, 2017
Advice of delivery
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Aug 29, 2017
Advice of delivery
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Aug 25, 2017
Annex to the communication
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Aug 25, 2017
Summons to attend oral proceedings
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Aug 18, 2017
Preparation for oral proceedings
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Apr 18, 2017
Amended claims with annotations
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Amended claims with annotations
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Claims
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Apr 18, 2017
Claims
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Dec 8, 2016
Annex to the communication
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Dec 8, 2016
Communication from the Examining Division
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Oct 13, 2016
Submission concerning representation
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Jul 28, 2016
Amended claims with annotations
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Jul 28, 2016
Annex
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Jul 28, 2016
Claims
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Jul 28, 2016
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Annex to the communication
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Jan 18, 2016
Communication from the Examining Division
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Jan 8, 2016
Examination started
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Amended claims with annotations
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May 21, 2015
Amended claims with annotations
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May 21, 2015
Amendments received before examination
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May 21, 2015
Amendments received before examination
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Nov 11, 2014
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European search opinion
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Oct 23, 2014
Supplementary European search report
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Oct 13, 2014
Search started
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Jul 10, 2014
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Amended claims with annotations
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Jul 10, 2014
Amendments received before examination
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Mar 12, 2014
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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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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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Dec 13, 2013
Nov 6, 2013
Payment of fees and costs
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Nov 6, 2013
Request for entry into the European phase
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Oct 7, 2013
Information on entry into European phase
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Jan 17, 2013
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Dec 12, 2012
Nov 29, 2012
Copy of the international search report
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Nov 29, 2012
Nov 29, 2012
Published international application - A1
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