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The patent EP3298040 was granted to National University OF Singapore on Aug 1, 2018. The application was filed on Dec 16, 2016 under application number EP16822941A. 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 |
|---|---|---|---|
| BAYER | Apr 29, 2019 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010093976 |
| INTERNATIONAL-SEARCH-REPORT | WO0078336 |
| INTERNATIONAL-SEARCH-REPORT | WO9836061 |
| OPPOSITION | US2009202533 |
| OPPOSITION | WO2018109174 |
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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Sep 9, 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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Jun 28, 2024
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Apr 30, 2024
(Electronic) Receipt
Appeal
Apr 30, 2024
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Apr 26, 2024
(Electronic) Receipt
Appeal
Apr 26, 2024
General enquiry
Appeal
Apr 26, 2024
Dec 6, 2023
Dec 4, 2023
(Electronic) Receipt
Appeal
Dec 4, 2023
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(Electronic) Receipt
Appeal
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Appeal
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Mar 9, 2023
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Appeal
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Oct 26, 2022
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Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Apr 5, 2022
Authorisation
Appeal
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(Electronic) Receipt
Appeal
Mar 17, 2022
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Notice of appeal
Appeal
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Acknowledgement of a document
Search/Exam
Jan 28, 2022
Acknowledgement of a document
Search/Exam
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Decision to grant a European patent
Search/Exam
Jun 26, 2018
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(Electronic) Receipt
Search/Exam
Jun 5, 2018
Filing of the translations of the claims
Search/Exam
Jun 5, 2018
French translation of claims
Search/Exam
Jun 5, 2018
German translation of the claims
Search/Exam
Jun 5, 2018
Letter accompanying subsequently filed items
Search/Exam
May 23, 2018
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Intention to grant (signatures)
Search/Exam
May 17, 2018
Text intended for grant (clean copy)
Search/Exam
May 17, 2018
Text intended for grant (sequence listing)
Search/Exam
May 17, 2018
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Non-patent literature filed by a third party
Search/Exam
May 8, 2018
Non-patent literature filed by a third party
Search/Exam
May 8, 2018
Observations by third parties
Search/Exam
Apr 12, 2018
Examination started
Search/Exam
Feb 28, 2018
Jan 30, 2018
EPO/applicant correspondence crossed
Search/Exam
Jan 29, 2018
Communication to designated inventor
Search/Exam
Jan 29, 2018
Communication to designated inventor
Search/Exam
Jan 18, 2018
(Electronic) Receipt
Search/Exam
Jan 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2018
Submission concerning representation
Search/Exam
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
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Amended claims with annotations
Search/Exam
Dec 21, 2017
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Amended description with annotations
Search/Exam
Dec 21, 2017
Amendments received before examination
Search/Exam
Dec 21, 2017
Converted Sequence Listing
Search/Exam
Dec 21, 2017
Request for entry into the European phase
Search/Exam
Dec 21, 2017
Submission concerning representation
Search/Exam
Nov 6, 2017
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Notification of election of EPO
Search/Exam
Sep 19, 2017
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Aug 31, 2017
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Annex
PCT2
Aug 14, 2017
PCT demand form
PCT2
Aug 14, 2017
Aug 14, 2017
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Aug 14, 2017
Jul 10, 2017
Jun 22, 2017
Converted Sequence Listing
Search/Exam
Jun 22, 2017
Copy of the international search report
Search/Exam
Jun 22, 2017
Published international application - A1
Search/Exam
Apr 18, 2017
ISR: cited documents
PCTISA
Apr 13, 2017
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Mar 1, 2017
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Jan 23, 2017
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Jan 17, 2017
Dec 16, 2016
(Electronic) Receipt
PCTRO
Dec 16, 2016
Abstract
PCTRO
Dec 16, 2016
Claims
PCTRO
Dec 16, 2016
Description
PCTRO
Dec 16, 2016
Dec 16, 2016
Drawings
PCTRO
Dec 16, 2016