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The patent EP3002275 was granted to Hayat Kimya Sanayi Anonim Sirketi on Jul 14, 2021. The application was filed on Oct 1, 2014 under application number EP14003393A. 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 |
|---|---|---|---|
| INNOSPEC | Apr 14, 2022 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0730572 |
| DESCRIPTION | EP0749412 |
| DESCRIPTION | EP0937124 |
| DESCRIPTION | EP0958042 |
| DESCRIPTION | EP0992489 |
| DESCRIPTION | EP1008644 |
| DESCRIPTION | EP1289933 |
| DESCRIPTION | EP1659109 |
| OPPOSITION | BE1017779 |
| OPPOSITION | EP1672056 |
| OPPOSITION | US4137191 |
| OPPOSITION | US5354906 |
| OPPOSITION | US5464565 |
| OPPOSITION | US5681972 |
| OPPOSITION | US7534816 |
| SEARCH | BE1017779 |
| SEARCH | DE4207386 |
| SEARCH | EP0353580 |
| SEARCH | EP0647613 |
| SEARCH | EP0677509 |
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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Document concerning representation
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Jul 27, 2021
Jun 17, 2021
Decision to grant a European patent
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Jun 14, 2021
Jun 4, 2021
(Electronic) Receipt
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Jun 4, 2021
Authorisation
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Jun 4, 2021
Jun 2, 2021
(Electronic) Receipt
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Jun 2, 2021
French translation of claims
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Jun 2, 2021
German translation of the claims
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Jun 2, 2021
Letter accompanying subsequently filed items
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Feb 4, 2021
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Feb 4, 2021
Intention to grant (signatures)
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Feb 4, 2021
Text intended for grant (clean copy)
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Feb 4, 2021
Oct 27, 2020
(Electronic) Receipt
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Oct 27, 2020
Letter accompanying subsequently filed items
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Dec 13, 2019
Abstract
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Dec 13, 2019
Amended claims with annotations
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Dec 13, 2019
Amended description with annotations
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Dec 13, 2019
Claims
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Dec 13, 2019
Description
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Dec 13, 2019
Modified abstract
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Dec 13, 2019
Dec 4, 2019
Oct 30, 2019
Letter concerning fees and payments
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Oct 22, 2019
Annex to the communication
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Oct 22, 2019
Communication from the Examining Division
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Jun 17, 2019
Amended claims with annotations
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Jun 17, 2019
Claims
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Jun 17, 2019
Feb 19, 2019
Annex to the communication
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Feb 19, 2019
Communication from the Examining Division
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Nov 30, 2018
Amended claims with annotations
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Nov 30, 2018
Claims
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Nov 30, 2018
Oct 30, 2018
General authorisation
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Oct 30, 2018
Letter concerning fees and payments
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Oct 30, 2018
Letter concerning fees and payments
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Oct 30, 2018
Letter concerning fees and payments
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Oct 30, 2018
Letter concerning fees and payments
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Oct 30, 2018
Aug 1, 2018
Annex to the communication
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Aug 1, 2018
Communication from the Examining Division
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Jul 24, 2018
Examination started
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Dec 5, 2017
Feb 20, 2017
Submission concerning representation
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Jan 3, 2017
Letter concerning fees and payments
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Dec 5, 2016
Jul 25, 2016
Abstract
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Jul 25, 2016
Jul 25, 2016
Amended claims with annotations
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Jul 25, 2016
Jul 25, 2016
Payment of fees and costs
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Apr 11, 2016
Mar 9, 2016
Notification of forthcoming publication
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Jan 11, 2016
Abstract
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Jan 11, 2016
Abstract
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Jan 11, 2016
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Amended claims with annotations
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Jan 11, 2016
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Amendments received before examination
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Jan 11, 2016
Amendments received before examination
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Jan 11, 2016
General authorisation
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Jan 11, 2016
Submission concerning representation
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Jan 8, 2016
Abstract
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Jan 8, 2016
Abstract
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Jan 8, 2016
Jan 8, 2016
Amended claims with annotations
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Jan 8, 2016
Jan 8, 2016
Amended description with annotations
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Jan 8, 2016
Amendments received before examination
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Jan 8, 2016
General authorisation
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Jan 8, 2016
Matter concerning the application
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Jan 8, 2016
Submission concerning representation
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Dec 10, 2015
Submission concerning representation
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Dec 10, 2015
Submission concerning representation
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Jul 28, 2015
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European search opinion
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Jul 28, 2015
European search report
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Jul 21, 2015
Modified abstract
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Jul 13, 2015
Search started
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Jul 10, 2015
Final instructions (loss of partial rights)
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May 26, 2015
Mar 12, 2015
Claim deemed abandoned
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Jan 12, 2015
Matter concerning the application
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Dec 22, 2014
Dec 22, 2014
Invitation to pay claims fees
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Dec 10, 2014
Communication to designated inventor
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Dec 10, 2014
Communication to designated inventor
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Dec 10, 2014
Communication to designated inventor
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Oct 1, 2014
Abstract
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Oct 1, 2014
Claims
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Oct 1, 2014
Description
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Oct 1, 2014
Designation of inventor
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Oct 1, 2014
General authorisation
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Oct 1, 2014
Payment of fees and costs
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Oct 1, 2014
Request for grant of a European patent
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