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The patent EP3322783 was granted to Afton Chemical on Sep 2, 2020. The application was filed on Jul 14, 2016 under application number EP16741797A. 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 |
|---|---|---|---|
| INFINEUM | May 24, 2021 | EISENFUHR SPEISER | ADMISSIBLE |
| INFINEUM | May 24, 2021 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2008248981 |
| INTERNATIONAL-SEARCH-REPORT | US2009082233 |
| INTERNATIONAL-SEARCH-REPORT | US2011077181 |
| INTERNATIONAL-SEARCH-REPORT | WO2015042340 |
| INTERNATIONAL-SEARCH-REPORT | WO2015114920 |
| INTERNATIONAL-SEARCH-REPORT | WO2016043333 |
| OPPOSITION | EP3101095 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 2, 2024
(Electronic) Receipt
Appeal
May 2, 2024
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Claims
Appeal
May 2, 2024
Claims
Appeal
May 2, 2024
Claims
Appeal
May 2, 2024
Claims
Appeal
May 2, 2024
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Reply to appeal
Appeal
May 2, 2024
Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Search/Exam
Dec 18, 2020
Sep 14, 2020
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Decision to grant a European patent
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Jul 20, 2020
(Electronic) Receipt
Search/Exam
Jul 20, 2020
Filing of the translations of the claims
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Jul 20, 2020
French translation of claims
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Jul 20, 2020
German translation of the claims
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Apr 30, 2020
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(Electronic) Receipt
Search/Exam
Apr 9, 2020
Letter accompanying subsequently filed items
Search/Exam
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Mar 27, 2020
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Intention to grant (signatures)
Search/Exam
Mar 27, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 27, 2020
Mar 5, 2020
(Electronic) Receipt
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Mar 5, 2020
Description
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Mar 5, 2020
Letter accompanying subsequently filed items
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Search/Exam
Feb 12, 2020
Text intended for grant (clean copy)
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Dec 20, 2019
(Electronic) Receipt
Search/Exam
Dec 20, 2019
Amended claims with annotations
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Amended description with annotations
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Claims
Search/Exam
Dec 20, 2019
Description
Search/Exam
Dec 20, 2019
Letter accompanying subsequently filed items
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Annex to the communication
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Aug 21, 2019
Communication from the Examining Division
Search/Exam
Jan 17, 2019
(Electronic) Receipt
Search/Exam
Jan 17, 2019
Claims
Search/Exam
Jan 17, 2019
Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2018
Nov 28, 2018
Submission concerning representation
Search/Exam
Nov 6, 2018
Sep 21, 2018
Aug 14, 2018
Annex to the communication
Search/Exam
Aug 14, 2018
Communication from the Examining Division
Search/Exam
Aug 8, 2018
Examination started
Search/Exam
Jun 20, 2018
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Jun 13, 2018
(Electronic) Receipt
Search/Exam
Jun 13, 2018
General authorisation
Search/Exam
Jun 13, 2018
Letter accompanying subsequently filed items
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Jun 13, 2018
Apr 25, 2018
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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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Feb 26, 2018
Communication to designated inventor
Search/Exam
Feb 13, 2018
(Electronic) Receipt
Search/Exam
Feb 13, 2018
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Amended claims with annotations
Search/Exam
Feb 13, 2018
Amendments received before examination
Search/Exam
Feb 13, 2018
Request for entry into the European phase
Search/Exam
Jan 30, 2018
Nov 24, 2017
Information on entry into European phase
Search/Exam
Mar 7, 2017
Notification of the recording of a change
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Feb 7, 2017
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Jan 19, 2017
Copy of the international search report
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Jan 19, 2017
Published international application - A1
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Sep 21, 2016
ISR: cited documents
PCTISA
Sep 20, 2016
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Aug 5, 2016
Jul 25, 2016
Abstract
PCTISA
Jul 25, 2016
Annex
PCTISA
Jul 25, 2016
Claims
PCTISA
Jul 25, 2016
Description
PCTISA
Jul 25, 2016
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