The weekly litigation news digest is live. Subscribe now
The patent EP3040487 was granted to Coway on May 3, 2023. The application was filed on Aug 20, 2014 under application number EP14839410A. 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 |
|---|---|---|---|
| TOTO | Aug 6, 2020 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | KR20100018165 |
| INTERNATIONAL-SEARCH-REPORT | JP2007162463 |
| INTERNATIONAL-SEARCH-REPORT | KR200411529Y |
| INTERNATIONAL-SEARCH-REPORT | KR20050082178 |
| INTERNATIONAL-SEARCH-REPORT | KR20110098515 |
| OPPOSITION | EP2503070 |
| OPPOSITION | JP2006249862 |
| OPPOSITION | JP2010127024 |
| OPPOSITION | JP2012107386 |
| OPPOSITION | US2006070173 |
| OPPOSITION | US2013152295 |
| SEARCH | EP2503070 |
| SEARCH | US2006070173 |
| SEARCH | US2013152295 |
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
May 11, 2023
Apr 6, 2023
Apr 6, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Mar 23, 2023
Jan 16, 2023
Jan 16, 2023
Jan 16, 2023
Jan 10, 2023
Dec 9, 2022
Refund of fees
Search/Exam
Nov 29, 2022
Nov 29, 2022
Nov 24, 2022
(Electronic) Receipt
Appeal
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Withdrawal of an appeal
Appeal
Nov 22, 2022
Nov 17, 2022
(Electronic) Receipt
Appeal
Nov 17, 2022
Nov 17, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 7, 2022
(Electronic) Receipt
Appeal
Nov 7, 2022
Nov 7, 2022
Notice of appeal
Appeal
Sep 21, 2022
Document concerning representation
Search/Exam
Sep 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2022
Sep 1, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Means of redress
OPPO
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Aug 26, 2022
Mar 24, 2022
Mar 3, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Jan 27, 2022
Jan 27, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Dec 10, 2021
Dec 10, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Apr 20, 2021
Apr 13, 2021
Apr 13, 2021
Apr 13, 2021
Mar 2, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Jan 15, 2021
Dec 29, 2020
Dec 29, 2020
Dec 29, 2020
Dec 29, 2020
Dec 29, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 20, 2020
Nov 20, 2020
Authorisation
OPPO
Nov 20, 2020
Nov 20, 2020
Aug 27, 2020
Aug 27, 2020
Aug 14, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Nov 25, 2019
Oct 17, 2019
Decision to grant a European patent
Search/Exam
Oct 2, 2019
(Electronic) Receipt
Search/Exam
Oct 2, 2019
Filing of the translations of the claims
Search/Exam
Oct 2, 2019
French translation of claims
Search/Exam
Oct 2, 2019
German translation of the claims
Search/Exam
Oct 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2019
Jun 6, 2019
Jun 6, 2019
Intention to grant (signatures)
Search/Exam
Jun 6, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 6, 2019
May 16, 2019
Examination started
Search/Exam
Jan 26, 2017
(Electronic) Receipt
Search/Exam
Jan 26, 2017
Jan 26, 2017
Amended claims with annotations
Search/Exam
Jan 26, 2017
Jan 26, 2017
Amended description with annotations
Search/Exam
Jan 26, 2017
Amendments received before examination
Search/Exam
Jan 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2016
Jul 1, 2016
Jul 1, 2016
European search opinion
Search/Exam
Jul 1, 2016
Information on Search Strategy
Search/Exam
Jul 1, 2016
Supplementary European search report
Search/Exam
Jun 22, 2016
Search started
Search/Exam
Jun 8, 2016
Notification of forthcoming publication
Search/Exam
Apr 12, 2016
Communication to designated inventor
Search/Exam
Apr 12, 2016
Communication to designated inventor
Search/Exam
Apr 12, 2016
Communication to designated inventor
Search/Exam
Apr 12, 2016
Communication to designated inventor
Search/Exam
Mar 15, 2016
Mar 15, 2016
Feb 26, 2016
(Electronic) Receipt
Search/Exam
Feb 26, 2016
Abstract
Search/Exam
Feb 26, 2016
Claims
Search/Exam
Feb 26, 2016
Description
Search/Exam
Feb 26, 2016
Drawings
Search/Exam
Feb 26, 2016
Request for entry into the European phase
Search/Exam
Jan 11, 2016
Information on entry into European phase
Search/Exam
Mar 23, 2015
Mar 23, 2015
Mar 5, 2015
Copy of the international search report
Search/Exam
Mar 5, 2015
Mar 5, 2015
International publication pamphlet
Search/Exam