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The patent EP3755510 was granted to FAM on Aug 20, 2025. The application was filed on Feb 19, 2019 under application number EP19705188A. 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 |
|---|---|---|---|
| URSCHEL LABORATORIES | Nov 9, 2022 | TLIP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2918384 |
| DESCRIPTION | US2007240550 |
| DESCRIPTION | US7178440 |
| DESCRIPTION | WO2012139988 |
| DESCRIPTION | WO2012139991 |
| DESCRIPTION | WO2013045684 |
| DESCRIPTION | WO2013045685 |
| DESCRIPTION | WO2015075179 |
| DESCRIPTION | WO2015075180 |
| INTERNATIONAL-SEARCH-REPORT | US7178440 |
| INTERNATIONAL-SEARCH-REPORT | WO2015075179 |
| OPPOSITION | EP1584429 |
| OPPOSITION | US2003145698 |
| OPPOSITION | US2005150345 |
| OPPOSITION | US2007240550 |
| OPPOSITION | US2010206185 |
| OPPOSITION | US2014007751 |
| OPPOSITION | US2017087735 |
| OPPOSITION | US4937084 |
| OPPOSITION | US5211097 |
| OPPOSITION | US5819628 |
| OPPOSITION | WO2015075179 |
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.
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General authorisation
Search/Exam
May 23, 2022
Letter accompanying subsequently filed items
Search/Exam
May 23, 2022
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Jan 13, 2022
Decision to grant a European patent
Search/Exam
Dec 28, 2021
(Electronic) Receipt
Search/Exam
Dec 28, 2021
Filing of the translations of the claims
Search/Exam
Dec 28, 2021
French translation of claims
Search/Exam
Dec 28, 2021
German translation of the claims
Search/Exam
Dec 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2021
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Intention to grant (signatures)
Search/Exam
Oct 19, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 19, 2021
Aug 31, 2021
Examination started
Search/Exam
Feb 1, 2021
(Electronic) Receipt
Search/Exam
Feb 1, 2021
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Amended claims with annotations
Search/Exam
Feb 1, 2021
Amendments received before examination
Search/Exam
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2020
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Communication to designated inventor
Search/Exam
Oct 1, 2020
Priority search results copy provided by EPO
Search/Exam
Sep 17, 2020
(Electronic) Receipt
Search/Exam
Sep 17, 2020
Request for entry into the European phase
Search/Exam
Aug 24, 2020
Jul 3, 2020
Information on entry into European phase
Search/Exam
Jan 30, 2020
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Nov 18, 2019
Notification of election of EPO
Search/Exam
Nov 5, 2019
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PCT demand form
PCT2
Oct 16, 2019
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Aug 29, 2019
Copy of the international search report
Search/Exam
Aug 29, 2019
Published international application - A1
Search/Exam
Apr 26, 2019
ISR: cited documents
PCTISA
Apr 26, 2019
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(Electronic) Receipt
PCTRO
Feb 19, 2019
Abstract
PCTRO
Feb 19, 2019
Claims
PCTRO
Feb 19, 2019
Description
PCTRO
Feb 19, 2019
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Drawings
PCTRO
Feb 19, 2019
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