The weekly litigation news digest is live. Subscribe now
The patent EP3436503 was granted to Solvay Specialty Polymers USA on Oct 25, 2023. The application was filed on Mar 27, 2017 under application number EP17714178A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| EVONIK OPERATIONS | Nov 18, 2020 | F & E PATENT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2015028523 |
| DESCRIPTION | WO2010112602 |
| DESCRIPTION | WO2013007128 |
| DESCRIPTION | WO2015007918 |
| DESCRIPTION | WO9724388 |
| DESCRIPTION | WO9960508 |
| DESCRIPTION | WO9964496 |
| INTERNATIONAL-SEARCH-REPORT | US2001025073 |
| INTERNATIONAL-SEARCH-REPORT | US2002017743 |
| INTERNATIONAL-SEARCH-REPORT | US2016068678 |
| INTERNATIONAL-SEARCH-REPORT | WO2015012862 |
| OPPOSITION | CN105238041 |
| OPPOSITION | US2010152328 |
| OPPOSITION | US2010244333 |
| OPPOSITION | US2011293918 |
| OPPOSITION | US2014141168 |
| OPPOSITION | WO0189814 |
| OPPOSITION | WO2017167691 |
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
Jun 24, 2024
Dec 13, 2023
Dec 13, 2023
Sep 28, 2023
Sep 28, 2023
Sep 22, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Sep 15, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 20, 2023
Apr 19, 2023
Apr 19, 2023
Apr 18, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Means of redress
OPPO
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Mar 7, 2023
Jan 12, 2023
Jan 10, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Jan 3, 2023
Jan 3, 2023
Jan 3, 2023
Nov 29, 2022
Nov 29, 2022
Jul 27, 2022
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
Jan 28, 2022
Jan 25, 2022
Jan 25, 2022
Nov 12, 2021
Nov 8, 2021
Nov 8, 2021
Nov 8, 2021
Apr 15, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Apr 12, 2021
Dec 1, 2020
Dec 1, 2020
Nov 24, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Mar 2, 2020
Jan 23, 2020
Decision to grant a European patent
Search/Exam
Jan 9, 2020
(Electronic) Receipt
Search/Exam
Jan 9, 2020
Filing of the translations of the claims
Search/Exam
Jan 9, 2020
French translation of claims
Search/Exam
Jan 9, 2020
German translation of the claims
Search/Exam
Jan 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Intention to grant (signatures)
Search/Exam
Sep 30, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 30, 2019
Sep 2, 2019
Examination started
Search/Exam
Jan 9, 2019
Dec 20, 2018
(Electronic) Receipt
Search/Exam
Dec 20, 2018
Dec 20, 2018
Amended claims with annotations
Search/Exam
Dec 20, 2018
Dec 20, 2018
Amendments received before examination
Search/Exam
Dec 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2018
Nov 13, 2018
Communication to designated inventor
Search/Exam
Nov 13, 2018
Communication to designated inventor
Search/Exam
Oct 16, 2018
Sep 13, 2018
Sep 13, 2018
Sep 6, 2018
(Electronic) Receipt
Search/Exam
Sep 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2018
Sep 5, 2018
(Electronic) Receipt
Search/Exam
Sep 5, 2018
Request for entry into the European phase
Search/Exam
Aug 10, 2018
Information on entry into European phase
Search/Exam
Oct 24, 2017
Oct 5, 2017
Copy of the international search report
Search/Exam
Oct 5, 2017
Published international application - A1
Search/Exam
Jul 7, 2017
ISR: cited documents
PCTISA
Jul 6, 2017
Jul 6, 2017
Jul 6, 2017
May 9, 2017
May 9, 2017
Apr 11, 2017
Apr 5, 2017
Apr 1, 2017
Mar 27, 2017
(Electronic) Receipt
PCTRO
Mar 27, 2017
Abstract
PCTRO
Mar 27, 2017
Claims
PCTRO
Mar 27, 2017
Description
PCTRO
Mar 27, 2017
Mar 27, 2017