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The patent EP3305285 was granted to Aragon Pharmaceuticals on Sep 2, 2020. The application was filed on Sep 23, 2013 under application number EP17187458A. 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 |
|---|---|---|---|
| SANDOZ | Jun 2, 2021 | MAIWALD | ADMISSIBLE |
| SYNTHON | Jun 2, 2021 | HAMM & WITTKOPP | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jun 2, 2021 | D YOUNG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1007080 |
| SEARCH | WO2012158884 |
| SEARCH | WO2013079964 |
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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Description
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Advice of delivery
Appeal
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Decision to grant a European patent
Search/Exam
Jul 20, 2020
(Electronic) Receipt
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Jul 20, 2020
Filing of the translations of the claims
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Jul 20, 2020
French translation of claims
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German translation of the claims
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Amended claims with annotations
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Amended description with annotations
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Claims
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Feb 12, 2020
Description
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Letter accompanying subsequently filed items
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Advice of delivery
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Summons to attend oral proceedings
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(Electronic) Receipt
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Annex
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Letter accompanying subsequently filed items
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Sep 19, 2019
Oral proceedings: Request for postponement
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Advice of delivery
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Acknowledgement of a document
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May 13, 2019
Amended claims with annotations
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May 13, 2019
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Dec 17, 2018
Examination started
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Oct 11, 2018
(Electronic) Receipt
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Oct 11, 2018
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Amended claims with annotations
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Oct 11, 2018
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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European search report
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Jan 22, 2018
Information on Search Strategy
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(Electronic) Receipt
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Dec 4, 2017
Claims
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Dec 4, 2017
Letter accompanying subsequently filed items
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Dec 4, 2017
Matter concerning the application
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Oct 16, 2017
Communication to designated inventor
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Oct 11, 2017
Refund of fees
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Invitation to file claims
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Aug 23, 2017
Abstract
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Aug 23, 2017
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Annex
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Aug 23, 2017
Description
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Aug 23, 2017
Designation of inventor
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Aug 23, 2017
Request for grant of a European patent
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Apr 23, 2014