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The patent EP3201246 was granted to Polystyvert on Sep 4, 2019. The application was filed on Oct 5, 2015 under application number EP15845885A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| KRAUS & WEISERT PATENTANWALTE PARTGMBB | Jun 3, 2020 | BECKMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2010098900 |
| INTERNATIONAL-SEARCH-REPORT | AU7989775 |
| INTERNATIONAL-SEARCH-REPORT | JP2009120682 |
| INTERNATIONAL-SEARCH-REPORT | WO2011123597 |
| INTERNATIONAL-SEARCH-REPORT | WO9424194 |
| OPPOSITION | US5594035 |
| OPPOSITION | WO2006131376 |
| SEARCH | EP1462474 |
| SEARCH | JP2009120682 |
| SEARCH | US8609778 |
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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OPPO
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Sep 16, 2019
Aug 8, 2019
Decision to grant a European patent
Search/Exam
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
Filing of the translations of the claims
Search/Exam
Jul 23, 2019
French translation of claims
Search/Exam
Jul 23, 2019
German translation of the claims
Search/Exam
Jul 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Intention to grant (signatures)
Search/Exam
Mar 28, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 28, 2019
Feb 18, 2019
(Electronic) Receipt
Search/Exam
Feb 18, 2019
Amended claims with annotations
Search/Exam
Feb 18, 2019
Amended description with annotations
Search/Exam
Feb 18, 2019
Claims
Search/Exam
Feb 18, 2019
Description
Search/Exam
Feb 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2019
Oct 15, 2018
Annex to the communication
Search/Exam
Oct 15, 2018
Communication from the Examining Division
Search/Exam
Jul 31, 2018
(Electronic) Receipt
Search/Exam
Jul 31, 2018
Amended claims with annotations
Search/Exam
Jul 31, 2018
Amended description with annotations
Search/Exam
Jul 31, 2018
Claims
Search/Exam
Jul 31, 2018
Description
Search/Exam
Jul 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2018
Mar 26, 2018
Annex to the communication
Search/Exam
Mar 26, 2018
Communication from the Examining Division
Search/Exam
Mar 2, 2018
(Electronic) Receipt
Search/Exam
Mar 2, 2018
Amended claims with annotations
Search/Exam
Mar 2, 2018
Claims
Search/Exam
Mar 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2018
Feb 1, 2018
Annex to the communication
Search/Exam
Feb 1, 2018
Communication from the Examining Division
Search/Exam
Nov 14, 2017
(Electronic) Receipt
Search/Exam
Nov 14, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2017
Matter concerning the application
Search/Exam
Nov 13, 2017
(Electronic) Receipt
Search/Exam
Nov 13, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 29, 2017
Sep 12, 2017
Sep 12, 2017
European search opinion
Search/Exam
Sep 12, 2017
Information on Search Strategy
Search/Exam
Sep 12, 2017
Supplementary European search report
Search/Exam
Sep 4, 2017
Search started
Search/Exam
Jul 12, 2017
May 10, 2017
Communication to designated inventor
Search/Exam
May 3, 2017
(Electronic) Receipt
Search/Exam
May 3, 2017
May 3, 2017
Amended claims with annotations
Search/Exam
May 3, 2017
Request for entry into the European phase
Search/Exam
Apr 10, 2017
Apr 10, 2017
Feb 10, 2017
Information on entry into European phase
Search/Exam
Aug 30, 2016
Notification of election of EPO
Search/Exam
Apr 28, 2016
Apr 7, 2016
Copy of the international search report
Search/Exam
Apr 7, 2016
Published international application - A1
Search/Exam