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The patent EP3054929 was granted to Impax Laboratories on Aug 5, 2020. The application was filed on Oct 7, 2014 under application number EP14851749A. 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 |
|---|---|---|---|
| LUIGI | May 5, 2021 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2508174 |
| DESCRIPTION | US2013195973 |
| DESCRIPTION | WO2007002518 |
| INTERNATIONAL-SEARCH-REPORT | US2002155154 |
| INTERNATIONAL-SEARCH-REPORT | US2003152628 |
| INTERNATIONAL-SEARCH-REPORT | US2009004229 |
| INTERNATIONAL-SEARCH-REPORT | US2011111024 |
| INTERNATIONAL-SEARCH-REPORT | US2012177731 |
| OPPOSITION | US2006004865 |
| OPPOSITION | US2007003621 |
| OPPOSITION | US2010298268 |
| OPPOSITION | US2013195973 |
| OPPOSITION | WO2015054302 |
| SEARCH | EP2508174 |
| SEARCH | US2013195973 |
| SEARCH | WO2007002518 |
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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May 9, 2025
May 9, 2025
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Mar 26, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Mar 21, 2023
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Mar 15, 2023
(Electronic) Receipt
Appeal
Mar 15, 2023
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Feb 8, 2023
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Jan 24, 2023
(Electronic) Receipt
Appeal
Jan 24, 2023
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Notice of appeal
Appeal
Nov 18, 2022
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Means of redress
OPPO
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Aug 17, 2020
Jul 9, 2020
Decision to grant a European patent
Search/Exam
Jun 24, 2020
(Electronic) Receipt
Search/Exam
Jun 24, 2020
Filing of the translations of the claims
Search/Exam
Jun 24, 2020
French translation of claims
Search/Exam
Jun 24, 2020
German translation of the claims
Search/Exam
Jun 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2020
Apr 4, 2020
Annexes in respect of a client data request
Search/Exam
Apr 4, 2020
Mar 16, 2020
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Intention to grant (signatures)
Search/Exam
Mar 16, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 16, 2020
Oct 28, 2019
(Electronic) Receipt
Search/Exam
Oct 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Amended claims with annotations
Search/Exam
Mar 26, 2019
Amended description with annotations
Search/Exam
Mar 26, 2019
Claims
Search/Exam
Mar 26, 2019
Description
Search/Exam
Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2019
Nov 19, 2018
Annex to the communication
Search/Exam
Nov 19, 2018
Communication from the Examining Division
Search/Exam
Oct 11, 2018
Examination started
Search/Exam
Aug 24, 2018
(Electronic) Receipt
Search/Exam
Aug 24, 2018
Letter concerning fees and payments
Search/Exam
Nov 14, 2017
Nov 14, 2017
Amended claims with annotations
Search/Exam
Nov 14, 2017
Amendments received before examination
Search/Exam
Sep 25, 2017
Letter concerning fees and payments
Search/Exam
Sep 25, 2017
Payment of fees and costs
Search/Exam
May 10, 2017
Apr 20, 2017
Apr 20, 2017
European search opinion
Search/Exam
Apr 20, 2017
Information on Search Strategy
Search/Exam
Apr 20, 2017
Supplementary European search report
Search/Exam
Apr 4, 2017
Search started
Search/Exam
Nov 11, 2016
Nov 11, 2016
Amended claims with annotations
Search/Exam
Nov 11, 2016
Amendments received before examination
Search/Exam
Sep 5, 2016
Payment of fees and costs
Search/Exam
Jul 20, 2016
May 13, 2016
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Communication to designated inventor
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May 11, 2016
Communication to designated inventor
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May 11, 2016
Communication to designated inventor
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May 11, 2016
Communication to designated inventor
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Apr 28, 2016
Apr 5, 2016
Payment of fees and costs
Search/Exam
Apr 5, 2016
Request for entry into the European phase
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Feb 19, 2016
Information on entry into European phase
Search/Exam
May 6, 2015
Apr 16, 2015
Copy of the international search report
Search/Exam
Apr 16, 2015
Published international application - A1
Search/Exam