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The patent EP3267981 was granted to Luye Pharma on May 5, 2021. The application was filed on Mar 14, 2016 under application number EP16709803A. 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 |
|---|---|---|---|
| LTS LOHMANN THERAPIE SYSTEME | Feb 3, 2022 | MAIWALD | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102014007650 |
| DESCRIPTION | EP0430019 |
| DESCRIPTION | WO02074286 |
| DESCRIPTION | WO03047556 |
| DESCRIPTION | WO9912529 |
| INTERNATIONAL-SEARCH-REPORT | DE102014007650 |
| INTERNATIONAL-SEARCH-REPORT | DE10223835 |
| INTERNATIONAL-SEARCH-REPORT | GB2184016 |
| INTERNATIONAL-SEARCH-REPORT | US2010178323 |
| INTERNATIONAL-SEARCH-REPORT | WO2012065740 |
| INTERNATIONAL-SEARCH-REPORT | WO9619205 |
| OPPOSITION | GB2184016 |
| OPPOSITION | US2010178323 |
| OPPOSITION | US6436433 |
| OPPOSITION | US7279178 |
| OPPOSITION | WO2013088254 |
| OPPOSITION | WO2015139830 |
| OPPOSITION | WO9619205 |
| OPPOSITION | WO9619975 |
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 17, 2025
Sep 17, 2025
Sep 17, 2025
Aug 1, 2025
Aug 1, 2025
Jun 2, 2025
May 27, 2025
(Electronic) Receipt
Appeal
May 27, 2025
May 27, 2025
May 21, 2025
May 19, 2025
(Electronic) Receipt
Appeal
May 19, 2025
May 19, 2025
Mar 24, 2025
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Jul 16, 2024
Jul 16, 2024
May 7, 2024
May 3, 2024
(Electronic) Receipt
Appeal
May 3, 2024
May 3, 2024
Feb 15, 2024
Feb 14, 2024
(Electronic) Receipt
Appeal
Feb 14, 2024
Feb 14, 2024
Feb 14, 2024
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Reply to appeal
Appeal
Jan 3, 2024
Jan 3, 2024
Dec 12, 2023
Dec 12, 2023
Nov 16, 2023
Nov 16, 2023
Nov 13, 2023
Oct 4, 2023
Sep 27, 2023
Sep 27, 2023
(Electronic) Receipt
Appeal
Sep 27, 2023
General enquiry
OPPO
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Aug 3, 2023
Aug 3, 2023
Jul 28, 2023
(Electronic) Receipt
Appeal
Jul 28, 2023
Jul 28, 2023
Notice of appeal
Appeal
May 30, 2023
May 22, 2023
May 22, 2023
May 22, 2023
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May 22, 2023
Means of redress
OPPO
May 22, 2023
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May 19, 2021
Apr 9, 2021
Decision to grant a European patent
Search/Exam
Mar 26, 2021
(Electronic) Receipt
Search/Exam
Mar 26, 2021
Filing of the translations of the claims
Search/Exam
Mar 26, 2021
French translation of claims
Search/Exam
Mar 26, 2021
German translation of the claims
Search/Exam
Mar 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Dec 9, 2020
Dec 4, 2020
Dec 4, 2020
Dec 4, 2020
Intention to grant (signatures)
Search/Exam
Dec 4, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 4, 2020
Jan 29, 2020
(Electronic) Receipt
Search/Exam
Jan 29, 2020
Amended description with annotations
Search/Exam
Jan 29, 2020
Description
Search/Exam
Jan 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 29, 2020
Sep 24, 2019
Annex to the communication
Search/Exam
Sep 24, 2019
Communication from the Examining Division
Search/Exam
Sep 2, 2019
Examination started
Search/Exam
Apr 23, 2018
(Electronic) Receipt
Search/Exam
Apr 23, 2018
Apr 23, 2018
Amended claims with annotations
Search/Exam
Apr 23, 2018
Amendments received before examination
Search/Exam
Apr 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Communication to designated inventor
Search/Exam
Jan 16, 2018
Letter concerning the inventor
Search/Exam
Dec 20, 2017
Nov 23, 2017
Nov 17, 2017
Letter which had not been notified
Search/Exam
Oct 20, 2017
Oct 18, 2017
Communication to designated inventor
Search/Exam
Oct 18, 2017
Communication to designated inventor
Search/Exam
Oct 13, 2017
Priority search results copy provided by EPO
Search/Exam
Oct 2, 2017
Aug 3, 2017
(Electronic) Receipt
Search/Exam
Aug 3, 2017
Request for entry into the European phase
Search/Exam
Jul 26, 2017
Information on entry into European phase
Search/Exam
Feb 10, 2017
Feb 10, 2017
Feb 10, 2017
Notification of the recording of a change
Search/Exam
Oct 11, 2016
Sep 22, 2016
Copy of the international search report
Search/Exam
Sep 22, 2016
Published international application - A1
Search/Exam
May 2, 2016
ISR: cited documents
PCTISA
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 5, 2016
Mar 30, 2016
Mar 21, 2016
Mar 16, 2016
Mar 16, 2016
Mar 16, 2016
Mar 14, 2016
(Electronic) Receipt
PCTRO
Mar 14, 2016
Abstract
PCTRO
Mar 14, 2016
Claims
PCTRO
Mar 14, 2016
Description
PCTRO
Mar 14, 2016
Mar 14, 2016
Drawings
PCTRO