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The patent EP3258879 was granted to Sweden & Martina on Jun 21, 2023. The application was filed on Feb 20, 2015 under application number EP15714931A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| INSTITUT STRAUMANN | Sep 9, 2021 | SCHAAD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US4215986 |
| INTERNATIONAL-SEARCH-REPORT | US6375464 |
| OPPOSITION | US2006216672 |
| OPPOSITION | US2013323678 |
| OPPOSITION | US4215986 |
| OPPOSITION | US5947733 |
| OPPOSITION | US6726480 |
| OPPOSITION | US8485819 |
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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Sep 6, 2023
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Means of redress
OPPO
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Authorisation
OPPO
Mar 9, 2023
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Dec 21, 2020
Nov 12, 2020
Decision to grant a European patent
Search/Exam
Nov 3, 2020
(Electronic) Receipt
Search/Exam
Nov 3, 2020
Filing of the translations of the claims
Search/Exam
Nov 3, 2020
French translation of claims
Search/Exam
Nov 3, 2020
German translation of the claims
Search/Exam
Aug 11, 2020
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Intention to grant (signatures)
Search/Exam
Aug 11, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 11, 2020
Jun 25, 2019
(Electronic) Receipt
Search/Exam
Jun 25, 2019
Amended claims with annotations
Search/Exam
Jun 25, 2019
Claims
Search/Exam
Jun 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 25, 2019
Feb 18, 2019
Annex to the communication
Search/Exam
Feb 18, 2019
Communication from the Examining Division
Search/Exam
Feb 8, 2019
Examination started
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Amendments received before examination
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2017
Oct 25, 2017
Oct 18, 2017
Priority search results copy provided by EPO
Search/Exam
Sep 20, 2017
Communication to designated inventor
Search/Exam
Sep 5, 2017
Aug 21, 2017
(Electronic) Receipt
Search/Exam
Aug 21, 2017
Authorisation
Search/Exam
Aug 21, 2017
Request for entry into the European phase
Search/Exam
Jun 30, 2017
Information on entry into European phase
Search/Exam
Sep 14, 2016
Aug 25, 2016
Copy of the international search report
Search/Exam
Aug 25, 2016
Published international application - A1
Search/Exam
Sep 29, 2015
ISR: cited documents
PCTISA
Sep 25, 2015
Sep 25, 2015
Sep 25, 2015
Mar 27, 2015
Abstract
PCTISA
Mar 27, 2015
Claims
PCTISA
Mar 27, 2015
Description
PCTISA
Mar 27, 2015
Drawings
PCTISA
Mar 27, 2015