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The patent EP3452050 was granted to Glycom on Nov 23, 2022. The application was originally filed on May 5, 2017 under application number EP17792540A. 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 |
|---|---|---|---|
| WEICKMANN & WEICKMANN | Aug 23, 2023 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0104341 |
| DESCRIPTION | WO2007101862 |
| DESCRIPTION | WO2010100979 |
| DESCRIPTION | WO2010115934 |
| DESCRIPTION | WO2010115935 |
| DESCRIPTION | WO2011100980 |
| DESCRIPTION | WO2012007588 |
| DESCRIPTION | WO2012113404 |
| DESCRIPTION | WO2012113405 |
| DESCRIPTION | WO2012127410 |
| DESCRIPTION | WO2012155916 |
| DESCRIPTION | WO2012156897 |
| DESCRIPTION | WO2012156898 |
| DESCRIPTION | WO2013044928 |
| DESCRIPTION | WO2013091660 |
| DESCRIPTION | WO2013139344 |
| DESCRIPTION | WO2015095747 |
| DESCRIPTION | WO2017084673 |
| INTERNATIONAL-SEARCH-REPORT | EP2842560 |
| INTERNATIONAL-SEARCH-REPORT | US2012171165 |
| INTERNATIONAL-SEARCH-REPORT | WO2012092155 |
| INTERNATIONAL-SEARCH-REPORT | WO2013032674 |
| INTERNATIONAL-SEARCH-REPORT | WO2013154725 |
| INTERNATIONAL-SEARCH-REPORT | WO2015157098 |
| INTERNATIONAL-SEARCH-REPORT | WO2016066175 |
| OPPOSITION | WO2013032674 |
| OPPOSITION | WO2015071401 |
| OPPOSITION | WO2015153841 |
| OPPOSITION | WO2016086205 |
| OPPOSITION | WO2017190754 |
| SEARCH | WO2015095747 |
| SEARCH | WO2017084673 |
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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Means of redress
OPPO
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Dec 6, 2022
Oct 27, 2022
Decision to grant a European patent
Search/Exam
Oct 14, 2022
(Electronic) Receipt
Search/Exam
Oct 14, 2022
Filing of the translations of the claims
Search/Exam
Oct 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2022
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Jun 27, 2022
Intention to grant (signatures)
Search/Exam
Jun 27, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 27, 2022
May 18, 2022
Change to the inventor details
Search/Exam
May 12, 2022
(Electronic) Receipt
Search/Exam
May 12, 2022
Amended claims with annotations
Search/Exam
May 12, 2022
Claims
Search/Exam
May 12, 2022
French translation of claims
Search/Exam
May 12, 2022
German translation of the claims
Search/Exam
May 12, 2022
Letter accompanying subsequently filed items
Search/Exam
May 12, 2022
Mar 28, 2022
Document concerning representation
Search/Exam
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Intention to grant (signatures)
Search/Exam
Jan 7, 2022
Text intended for grant (clean copy)
Search/Exam
Jan 7, 2022
Sep 2, 2021
(Electronic) Receipt
Search/Exam
Sep 2, 2021
Amended description with annotations
Search/Exam
Sep 2, 2021
Description
Search/Exam
Sep 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2021
Jul 12, 2021
Jul 5, 2021
(Electronic) Receipt
Search/Exam
Jul 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2021
Apr 26, 2021
Annex to the communication
Search/Exam
Apr 26, 2021
Communication from the Examining Division
Search/Exam
Apr 20, 2021
Examination started
Search/Exam
Jul 10, 2020
(Electronic) Receipt
Search/Exam
Jul 10, 2020
Jul 10, 2020
Amended claims with annotations
Search/Exam
Jul 10, 2020
Amendments received before examination
Search/Exam
Jul 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 9, 2020
Dec 10, 2019
Dec 10, 2019
European search opinion
Search/Exam
Dec 10, 2019
Information on Search Strategy
Search/Exam
Dec 10, 2019
Supplementary European search report
Search/Exam
Nov 18, 2019
Search started
Search/Exam
Jun 21, 2019
(Electronic) Receipt
Search/Exam
Jun 21, 2019
Jun 21, 2019
Amended claims with annotations
Search/Exam
Jun 21, 2019
Amendments received before examination
Search/Exam
Jun 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2019
Dec 14, 2018
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 12, 2018
Communication to designated inventor
Search/Exam
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Request for entry into the European phase
Search/Exam
Nov 20, 2018
Sep 14, 2018
Information on entry into European phase
Search/Exam
Nov 27, 2017
Nov 9, 2017
Copy of the international search report
Search/Exam
Nov 9, 2017
Published international application - A1
Search/Exam