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Use Of Substituted Aminopropionate Compounds In Treatment Of Sars-Cov-2 Infection

Patent No. EP3854403 (titled "Use Of Substituted Aminopropionate Compounds In Treatment Of Sars-Cov-2 Infection") was filed by Academy OF Military Medical Sciences on Oct 16, 2020. The application was issued on Jun 18, 2025.

Patent Summary

UPC Cases New

Latest UPC cases involving this patent.

Case Number	Filing Date	Plaintiff	Proceeding Type
UPC_CFI_552/2025	Jun 18, 2025	Gilead Sciences	Revocation

Patent Family

Patent Oppositions

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
GILEAD SCIENCES	Jun 18, 2025	CARPMAELS & RANSFORD

Dossier Documents

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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Jul 1, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 26, 2025
Brief communication - Opposition proceedings
Jun 26, 2025
Brief communication - Opposition proceedings
Jun 26, 2025
Communication indicating deficiencies in the notice of opposition which may be remedied within the opposition period
Jun 26, 2025
Communication of a notice of opposition - first information to patent proprietor
Jun 18, 2025
(Electronic) Receipt
Jun 18, 2025
Notice of opposition
Jun 18, 2025
Notice of opposition
May 22, 2025
Decision to grant a European patent
May 8, 2025
(Electronic) Receipt
May 8, 2025
Filing of the translations of the claims
May 8, 2025
French translation of claims
May 8, 2025
German translation of the claims
May 8, 2025
Letter accompanying subsequently filed items
Mar 25, 2025
Annex to the communication about intention to grant a European patent
Mar 25, 2025
Bibliographic data of the European patent application
Mar 25, 2025
Communication about intention to grant a European patent
Mar 25, 2025
Intention to grant (signatures)
Mar 25, 2025
Text intended for grant (clean copy)
Mar 25, 2025
Text intended for grant (version for approval)
Oct 19, 2023
(Electronic) Receipt
Oct 19, 2023
Amended description with annotations
Oct 19, 2023
Description
Oct 19, 2023
Letter accompanying subsequently filed items
Oct 19, 2023
Reply to communication from the Examining Division
Jul 31, 2023
Annex to the communication
Jul 31, 2023
Communication from the Examining Division
Jul 24, 2023
Examination started
Apr 5, 2022
(Electronic) Receipt
Apr 5, 2022
Citation for the examination procedure
Apr 5, 2022
Citation for the examination procedure
Apr 5, 2022
Letter accompanying subsequently filed items
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Non-patent literature cited during the examination procedure
Apr 5, 2022
Reply to Written Opinion prepared by the EPO
Jan 28, 2022
(Electronic) Receipt
Jan 28, 2022
Amended claims filed after receipt of (European) search report
Jan 28, 2022
Amended claims with annotations
Jan 28, 2022
Amendments received before examination
Jan 28, 2022
Letter accompanying subsequently filed items
Jan 28, 2022
Non-patent literature cited during the examination procedure
Jan 28, 2022
Non-patent literature cited during the examination procedure
Jan 28, 2022
Non-patent literature cited during the examination procedure
Jan 28, 2022
Non-patent literature cited during the examination procedure
Jan 28, 2022
Non-patent literature cited during the examination procedure
Jan 28, 2022
Translation of priority document
Jan 27, 2022
(Electronic) Receipt
Jan 27, 2022
Letter concerning fees and payments
Aug 4, 2021
Invitation to file a translation of the previous application
Aug 2, 2021
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jun 30, 2021
Notification of forthcoming publication
Apr 12, 2021
Communication regarding the transmission of the European search report
Apr 12, 2021
European search opinion
Apr 12, 2021
European search report
Apr 12, 2021
Information on Search Strategy
Mar 29, 2021
Search started
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Dec 9, 2020
Communication to designated inventor
Nov 10, 2020
Confirmation of receipt of (electronically) transmitted priority document
Oct 20, 2020
Priority document (electronically transmitted)
Oct 16, 2020
Abstract
Oct 16, 2020
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Oct 16, 2020
Claims
Oct 16, 2020
Converted Sequence Listing
Oct 16, 2020
Description
Oct 16, 2020
Designation of inventor
Oct 16, 2020
Drawings
Oct 16, 2020
Request for grant of a European patent

EP3854403

ACADEMY OF MILITARY MEDICAL SCIENCES

Application Number: EP20202229A
Filing Date: Oct 16, 2020
Status: Granted And Under Opposition; May 16, 2025
Publication Date: Jun 18, 2025
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