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The patent EP3250627 was granted to Victrex Manufacturing on Sep 14, 2022. The application was filed on Jan 19, 2016 under application number EP16701843A. 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 |
|---|---|---|---|
| ARKEMA FRANCE | Jun 14, 2023 | ARKEMA PATENT | ADMISSIBLE |
| HPW HOLDING | Jun 14, 2023 | KLIMENT & HENHAPEL | ADMISSIBLE |
| SOLVAY SPECIALTY POLYMERS USA | Jun 13, 2023 | FERRI | ADMISSIBLE |
| SYENSQO SPECIALTY POLYMERS USA | Jun 13, 2023 | FERRI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2808981 |
| INTERNATIONAL-SEARCH-REPORT | GB2492087 |
| INTERNATIONAL-SEARCH-REPORT | JPH02250206 |
| INTERNATIONAL-SEARCH-REPORT | US2010203231 |
| INTERNATIONAL-SEARCH-REPORT | US2011212290 |
| INTERNATIONAL-SEARCH-REPORT | US2015021067 |
| OPPOSITION | CN104021850 |
| OPPOSITION | CN201302844Y |
| OPPOSITION | CN202816450U |
| OPPOSITION | EP2767986 |
| OPPOSITION | JP2000272049 |
| OPPOSITION | JPH02250206 |
| OPPOSITION | JPH02250207 |
| OPPOSITION | US2008196900 |
| OPPOSITION | US2010147548 |
| OPPOSITION | US2014102749 |
| OPPOSITION | US2014152155 |
| OPPOSITION | US2014224522 |
| OPPOSITION | US2015021067 |
| OPPOSITION | US5260104 |
| OPPOSITION | WO2012107753 |
| OPPOSITION | WO2014078344 |
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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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Notice of appeal
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Decision to grant a European patent
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Search/Exam
Aug 9, 2022
Filing of the translations of the claims
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Aug 9, 2022
French translation of claims
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Aug 9, 2022
German translation of the claims
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Aug 9, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jun 29, 2022
Text intended for grant (clean copy)
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Jun 29, 2022
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Amended description with annotations
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Feb 25, 2022
Description
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Feb 25, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jan 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2022
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Annex to the communication
Search/Exam
Sep 29, 2021
Communication from the Examining Division
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Jul 1, 2021
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(Electronic) Receipt
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Jun 24, 2021
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Jun 24, 2021
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Mar 24, 2021
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Mar 24, 2021
Claims
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Mar 24, 2021
Letter accompanying subsequently filed items
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Mar 24, 2021
Jan 26, 2021
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(Electronic) Receipt
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Jan 21, 2021
Letter accompanying subsequently filed items
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Jan 21, 2021
Sep 17, 2020
Annex to the communication
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Sep 17, 2020
Communication from the Examining Division
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Aug 12, 2020
(Electronic) Receipt
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Aug 12, 2020
Amended claims with annotations
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Aug 12, 2020
Claims
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Aug 12, 2020
Letter accompanying subsequently filed items
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Aug 12, 2020
May 26, 2020
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May 14, 2020
(Electronic) Receipt
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May 14, 2020
Letter accompanying subsequently filed items
Search/Exam
May 14, 2020
Feb 4, 2020
Annex to the communication
Search/Exam
Feb 4, 2020
Communication from the Examining Division
Search/Exam
Jan 29, 2020
Examination started
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Mar 14, 2018
(Electronic) Receipt
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Mar 14, 2018
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Amended claims with annotations
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Mar 14, 2018
Amendments received before examination
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Mar 14, 2018
Letter accompanying subsequently filed items
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Nov 8, 2017
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Communication to designated inventor
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Sep 6, 2017
Communication to designated inventor
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Sep 6, 2017
Communication to designated inventor
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Aug 14, 2017
Jul 10, 2017
(Electronic) Receipt
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Jul 10, 2017
Request for entry into the European phase
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Jun 9, 2017
Information on entry into European phase
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Aug 23, 2016
Aug 4, 2016
Copy of the international search report
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Aug 4, 2016
Published international application - A1
Search/Exam
Jun 3, 2016
ISR: cited documents
PCTISA
Jun 2, 2016
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Mar 30, 2016
Feb 15, 2016
Jan 29, 2016
Abstract
PCTISA
Jan 29, 2016
Claims
PCTISA
Jan 29, 2016
Description
PCTISA
Jan 29, 2016
Drawings
PCTISA
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016