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The patent EP3020730 was granted to Cantargia on Dec 26, 2018. The application was filed on Jan 19, 2012 under application number EP15197139A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| MAB DISCOVERY | Sep 25, 2019 | ZWICKER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0213303 |
| DESCRIPTION | US4235871 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US5851451 |
| OPPOSITION | EP2665749 |
| OPPOSITION | US2006019256 |
| OPPOSITION | WO2012098407 |
| SEARCH | WO9623067 |
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 27, 2024
Refund of fees
Appeal
May 23, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 15, 2024
(Electronic) Receipt
Appeal
May 15, 2024
May 15, 2024
May 15, 2024
May 2, 2024
Apr 30, 2024
(Electronic) Receipt
Appeal
Apr 30, 2024
Apr 30, 2024
Mar 15, 2024
Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
Mar 12, 2024
Feb 9, 2024
Feb 9, 2024
Aug 21, 2023
Aug 21, 2023
Aug 21, 2023
Aug 16, 2023
(Electronic) Receipt
Appeal
Aug 16, 2023
Aug 16, 2023
Jul 10, 2023
Jun 2, 2023
Jun 1, 2023
(Electronic) Receipt
Appeal
Jun 1, 2023
Jun 1, 2023
May 15, 2023
May 15, 2023
May 10, 2023
Aug 1, 2022
Jul 28, 2022
(Electronic) Receipt
Appeal
Jul 28, 2022
Jul 28, 2022
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Reply to appeal
Appeal
Mar 21, 2022
Mar 14, 2022
(Electronic) Receipt
Appeal
Mar 14, 2022
Mar 14, 2022
Jan 19, 2022
Jan 19, 2022
Jan 17, 2022
Jan 12, 2022
(Electronic) Receipt
Appeal
Jan 12, 2022
Jan 12, 2022
Notice of appeal
Appeal
Jan 10, 2022
Dec 22, 2021
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Means of redress
OPPO
Nov 3, 2021
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Sep 25, 2019
Jan 9, 2019
Dec 14, 2018
Submission concerning representation
Search/Exam
Nov 29, 2018
Decision to grant a European patent
Search/Exam
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Filing of the translations of the claims
Search/Exam
Nov 9, 2018
French translation of claims
Search/Exam
Nov 9, 2018
German translation of the claims
Search/Exam
Nov 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2018
Jul 6, 2018
Jul 6, 2018
Intention to grant (signatures)
Search/Exam
Jul 6, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 6, 2018
May 16, 2018
(Electronic) Receipt
Search/Exam
May 16, 2018
Amended claims with annotations
Search/Exam
May 16, 2018
Amended description with annotations
Search/Exam
May 16, 2018
Claims
Search/Exam
May 16, 2018
Description
Search/Exam
May 16, 2018
Letter accompanying subsequently filed items
Search/Exam
May 16, 2018
Sep 25, 2017
(Electronic) Receipt
Search/Exam
Sep 25, 2017
Amended claims with annotations
Search/Exam
Sep 25, 2017
Claims
Search/Exam
Sep 25, 2017
Claims
Search/Exam
Sep 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 2017
Sep 25, 2017
Jul 12, 2017
Jul 6, 2017
(Electronic) Receipt
Search/Exam
Jul 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2017
Mar 21, 2017
Annex to the communication
Search/Exam
Mar 21, 2017
Communication from the Examining Division
Search/Exam
Feb 21, 2017
Examination started
Search/Exam
Nov 9, 2016
(Electronic) Receipt
Search/Exam
Nov 9, 2016
Nov 9, 2016
Amendments received before examination
Search/Exam
Nov 9, 2016
Letter accompanying subsequently filed items
Search/Exam
May 23, 2016
Apr 20, 2016
Notification of forthcoming publication
Search/Exam
Mar 2, 2016
Refund of fees
Search/Exam
Feb 25, 2016
Feb 25, 2016
European search opinion
Search/Exam
Feb 25, 2016
European search report
Search/Exam
Feb 25, 2016
Information on Search Strategy
Search/Exam
Feb 16, 2016
Search started
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Nov 30, 2015
Abstract
Search/Exam
Nov 30, 2015
Nov 30, 2015
Claims
Search/Exam
Nov 30, 2015
Description
Search/Exam
Nov 30, 2015
Designation of inventor
Search/Exam
Nov 30, 2015
Drawings
Search/Exam
Nov 30, 2015
Letter concerning search matters
Search/Exam
Nov 30, 2015
Matter concerning the application
Search/Exam
Nov 30, 2015
Request for grant of a European patent
Search/Exam
Aug 15, 2012