The weekly litigation news digest is live. Subscribe now
The patent EP3341194 was granted to Cytec Industries on Feb 22, 2023. The application was filed on Aug 24, 2016 under application number EP16767056A. 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 |
|---|---|---|---|
| POLYPLASTICS EVONIK | Nov 21, 2023 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2014135443 |
| INTERNATIONAL-SEARCH-REPORT | US2015166743 |
| OPPOSITION | EP1512725 |
| OPPOSITION | EP2287236 |
| OPPOSITION | EP2738202 |
| OPPOSITION | EP3042926 |
| OPPOSITION | JP2006181970 |
| OPPOSITION | JP2009221460 |
| OPPOSITION | JP2012211310 |
| OPPOSITION | JPH0741577 |
| OPPOSITION | JPS619433 |
| OPPOSITION | US2014135443 |
| OPPOSITION | US2015166743 |
| OPPOSITION | WO2009142231 |
| OPPOSITION | WO2015033998 |
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
Get instant alerts for new documents
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 7, 2025
Oct 1, 2025
Oct 1, 2025
Sep 26, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Aug 12, 2025
Aug 12, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 5, 2025
Jul 30, 2025
Jul 30, 2025
Jul 30, 2025
Jul 21, 2025
Jul 21, 2025
Jul 4, 2025
Annex
OPPO
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jan 28, 2025
Jan 28, 2025
Jan 28, 2025
Jan 28, 2025
Jan 28, 2025
May 28, 2024
May 28, 2024
Apr 3, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Jan 3, 2024
Dec 13, 2023
Dec 13, 2023
Dec 12, 2023
Dec 12, 2023
Dec 6, 2023
Dec 6, 2023
Nov 28, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Nov 21, 2023
Mar 7, 2023
Jan 26, 2023
Decision to grant a European patent
Search/Exam
Jan 5, 2023
(Electronic) Receipt
Search/Exam
Jan 5, 2023
Filing of the translations of the claims
Search/Exam
Jan 5, 2023
French translation of claims
Search/Exam
Jan 5, 2023
German translation of the claims
Search/Exam
Jan 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Intention to grant (signatures)
Search/Exam
Sep 8, 2022
Text intended for grant (clean copy)
Search/Exam
Sep 8, 2022
Aug 9, 2021
Decision to allow further processing
Search/Exam
Jul 29, 2021
(Electronic) Receipt
Search/Exam
Jul 29, 2021
Amended description with annotations
Search/Exam
Jul 29, 2021
Description
Search/Exam
Jul 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2021
Request for further processing
Search/Exam
May 26, 2021
Jan 19, 2021
Dec 21, 2020
Annex to the communication
Search/Exam
Dec 21, 2020
Communication from the Examining Division
Search/Exam
Dec 14, 2020
Examination started
Search/Exam
Apr 30, 2020
Apr 23, 2020
Citation filed by a third party
Search/Exam
Apr 23, 2020
Non-patent literature filed by a third party
Search/Exam
Apr 23, 2020
Non-patent literature filed by a third party
Search/Exam
Apr 23, 2020
Non-patent literature filed by a third party
Search/Exam
Apr 23, 2020
Observations by third parties
Search/Exam
Apr 23, 2020
Patent document filed by a Third party
Search/Exam
Aug 2, 2018
Jul 11, 2018
(Electronic) Receipt
Search/Exam
Jul 11, 2018
Jul 11, 2018
Amended claims with annotations
Search/Exam
Jul 11, 2018
Amendments received before examination
Search/Exam
Jul 11, 2018
Annexes in respect of a client data request
Search/Exam
Jul 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2018
Apr 9, 2018
Apr 5, 2018
Communication to designated inventor
Search/Exam
Apr 5, 2018
Communication to designated inventor
Search/Exam
Apr 5, 2018
Communication to designated inventor
Search/Exam
Mar 12, 2018
Mar 2, 2018
Feb 28, 2018
(Electronic) Receipt
Search/Exam
Feb 28, 2018
Feb 28, 2018
Amended claims with annotations
Search/Exam
Feb 28, 2018
Amendments received before examination
Search/Exam
Feb 28, 2018
Request for entry into the European phase
Search/Exam
Feb 26, 2018
Citation filed by a third party
Search/Exam
Feb 26, 2018
Citation filed by a third party
Search/Exam
Feb 26, 2018
Observations by third parties
Search/Exam
Feb 21, 2018
Feb 21, 2018
Notification of the recording of a change
Search/Exam
Jan 5, 2018
Information on entry into European phase
Search/Exam
Mar 22, 2017
Mar 2, 2017
Copy of the international search report
Search/Exam
Mar 2, 2017
Published international application - A1
Search/Exam
Nov 18, 2016
ISR: cited documents
PCTISA
Nov 17, 2016
Nov 17, 2016
Nov 17, 2016
Oct 3, 2016
Sep 1, 2016
Abstract
PCTISA
Sep 1, 2016
Annex
PCTISA
Sep 1, 2016
Claims
PCTISA
Sep 1, 2016
Description
PCTISA
Sep 1, 2016
Drawings
PCTISA
Sep 1, 2016
Sep 1, 2016
Sep 1, 2016
Sep 1, 2016