The weekly litigation news digest is live. Subscribe now
The patent EP3639191 was granted to Visiopharm on Jul 17, 2024. The application was filed on Jun 12, 2018 under application number EP18729159A. 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 |
|---|---|---|---|
| FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV | Jun 1, 2022 | EISENFUHR SPEISER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008080403 |
| INTERNATIONAL-SEARCH-REPORT | US2012076390 |
| INTERNATIONAL-SEARCH-REPORT | WO2015049233 |
| OPPOSITION | US2010215227 |
| OPPOSITION | US2012076390 |
| OPPOSITION | US2016019695 |
| OPPOSITION | US2016321495 |
| OPPOSITION | US2017091937 |
| OPPOSITION | US2017103521 |
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
Get instant alerts for new documents
Jun 20, 2024
Jun 20, 2024
Jun 12, 2024
Jun 12, 2024
Jun 12, 2024
Jun 12, 2024
Mar 15, 2024
Mar 15, 2024
Mar 7, 2024
Feb 14, 2024
Refund of fees
Appeal
Feb 14, 2024
Refund of fees
Appeal
Feb 8, 2024
Feb 5, 2024
Jan 31, 2024
(Electronic) Receipt
Appeal
Jan 31, 2024
(Electronic) Receipt
Appeal
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Withdrawal of an appeal
Appeal
Jan 31, 2024
Withdrawal of an appeal
Appeal
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 30, 2024
Jan 24, 2024
(Electronic) Receipt
Appeal
Jan 24, 2024
(Electronic) Receipt
Appeal
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Notice of appeal
Appeal
Jan 24, 2024
Notice of appeal
Appeal
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Means of redress
OPPO
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Nov 22, 2023
Nov 9, 2023
Oct 31, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 16, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 6, 2023
Sep 22, 2023
Sep 18, 2023
Sep 13, 2023
Sep 12, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Oct 28, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Jun 16, 2022
Jun 16, 2022
Jun 9, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Jun 1, 2022
Sep 14, 2021
Aug 5, 2021
Decision to grant a European patent
Search/Exam
Jul 26, 2021
(Electronic) Receipt
Search/Exam
Jul 26, 2021
Filing of the translations of the claims
Search/Exam
Jul 26, 2021
French translation of claims
Search/Exam
Jul 26, 2021
German translation of the claims
Search/Exam
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Intention to grant (signatures)
Search/Exam
Mar 17, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 17, 2021
Feb 5, 2021
Annex to a communication
Search/Exam
Feb 5, 2021
Annex to a communication
Search/Exam
Feb 5, 2021
Annex to the communication
Search/Exam
Feb 5, 2021
Consultation by telephone/in person
Search/Exam
Feb 5, 2021
Jan 29, 2021
Examination started
Search/Exam
Jan 25, 2021
Claims
Search/Exam
Jan 25, 2021
Claims
Search/Exam
Aug 5, 2020
(Electronic) Receipt
Search/Exam
Aug 5, 2020
Aug 5, 2020
Amended claims with annotations
Search/Exam
Aug 5, 2020
Aug 5, 2020
Amended description with annotations
Search/Exam
Aug 5, 2020
Amendments received before examination
Search/Exam
Aug 5, 2020
Annex
Search/Exam
Aug 5, 2020
Annex
Search/Exam
Aug 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2020
Communication to designated inventor
Search/Exam
Jul 1, 2020
Jun 24, 2020
(Electronic) Receipt
Search/Exam
Jun 24, 2020
Letter concerning the inventor
Search/Exam
Mar 25, 2020
Jan 28, 2020
Jan 24, 2020
Communication to designated inventor
Search/Exam
Jan 24, 2020
Communication to designated inventor
Search/Exam
Jan 24, 2020
Communication to designated inventor
Search/Exam
Jan 24, 2020
Communication to designated inventor
Search/Exam
Jan 21, 2020
Priority search results copy provided by EPO
Search/Exam
Jan 13, 2020
(Electronic) Receipt
Search/Exam
Jan 13, 2020
Request for entry into the European phase
Search/Exam
Jan 6, 2020
Jan 6, 2020
Oct 25, 2019
Information on entry into European phase
Search/Exam
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
May 17, 2019
Notification of election of EPO
Search/Exam
May 3, 2019
Apr 25, 2019
Apr 15, 2019
Apr 15, 2019
PCT demand form
PCT2
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Jan 11, 2019
Dec 20, 2018
Copy of the international search report
Search/Exam
Dec 20, 2018
Published international application - A1
Search/Exam
Aug 31, 2018
Aug 31, 2018
Aug 31, 2018
Jun 18, 2018
Jun 12, 2018
(Electronic) Receipt
PCTRO
Jun 12, 2018
Abstract
PCTRO
Jun 12, 2018
Claims
PCTRO
Jun 12, 2018
Description
PCTRO
Jun 12, 2018
Jun 12, 2018
Drawings
PCTRO
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018