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IP Verse

Crystal Form Of Gsk1278863 And Preparation Method And Pharmaceutical Use Thereof

Patent No. EP3682884 (titled "Crystal Form Of Gsk1278863 And Preparation Method And Pharmaceutical Use Thereof") was filed by Crystal Pharmaceutical Suzhou on Mar 13, 2018. The application was issued on Apr 24, 2024.

Patent Summary

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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
ZBM PATENTS	Jan 24, 2025	ZBM PATENTS ZEA

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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Sep 23, 2025
Annex to the communication - opposition
Sep 23, 2025
Information concerning oral proceedings
Sep 23, 2025
Scanned annex to a communication - opposition procedure
Sep 23, 2025
Summons to attend oral proceedings
Sep 23, 2025
Summons to attend oral proceedings
Aug 12, 2025
Brief communication - Opposition proceedings
Aug 6, 2025
(Electronic) Receipt
Aug 6, 2025
Letter accompanying subsequently filed items
Aug 6, 2025
Letter regarding the opposition procedure (no time limit)
Jul 16, 2025
Brief communication - Opposition proceedings
Jul 15, 2025
(Electronic) Receipt
Jul 15, 2025
Citation in opposition procedure - 011
Jul 15, 2025
Consolidated list of cited opposition documents
Jul 15, 2025
Letter accompanying subsequently filed items
Jul 15, 2025
Reply from the opponent to submission of proprietor
Jun 11, 2025
Brief communication - Opposition proceedings
Jun 5, 2025
(Electronic) Receipt
Jun 5, 2025
Any annexes (other than citation) to an opposition letter
Jun 5, 2025
Citation in opposition procedure - 010
Jun 5, 2025
Letter accompanying subsequently filed items
Jun 5, 2025
Reply of the patent proprietor to the notice(s) of opposition
Feb 7, 2025
Communication of a notice of opposition and request to file observations
Feb 7, 2025
Notice of further oppositions to opponent(s)
Jan 27, 2025
Communication of a notice of opposition - first information to patent proprietor
Jan 24, 2025
(Electronic) Receipt
Jan 24, 2025
Citation in opposition procedure - 001
Jan 24, 2025
Citation in opposition procedure - 002
Jan 24, 2025
Citation in opposition procedure - 003
Jan 24, 2025
Citation in opposition procedure - 004
Jan 24, 2025
Citation in opposition procedure - 005
Jan 24, 2025
Citation in opposition procedure - 006
Jan 24, 2025
Citation in opposition procedure - 007
Jan 24, 2025
Citation in opposition procedure - 008
Jan 24, 2025
Citation in opposition procedure - 009
Jan 24, 2025
Notice of opposition
Jan 24, 2025
Notice of opposition
Sep 19, 2024
Document concerning representation
Sep 19, 2024
Letter accompanying subsequently filed items
May 8, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 28, 2024
Decision to grant a European patent
Feb 21, 2024
(Electronic) Receipt
Feb 21, 2024
Filing of the translations of the claims
Feb 21, 2024
French translation of claims
Feb 21, 2024
German translation of the claims
Feb 21, 2024
Letter accompanying subsequently filed items
Jan 4, 2024
Annex to the communication about intention to grant a European patent
Jan 4, 2024
Bibliographic data of the European patent application
Jan 4, 2024
Communication about intention to grant a European patent
Jan 4, 2024
Intention to grant (signatures)
Jan 4, 2024
Text intended for grant (clean copy)
Jan 4, 2024
Text intended for grant (version for approval)
Dec 4, 2023
Communication of the registration of a transfer or change of name and/or address
Nov 28, 2023
(Electronic) Receipt
Nov 28, 2023
Amended claims with annotations
Nov 28, 2023
Claims
Nov 28, 2023
Letter accompanying subsequently filed items
Nov 28, 2023
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Aug 3, 2023
Annex to the communication about intention to grant a European patent
Aug 3, 2023
Bibliographic data of the European patent application
Aug 3, 2023
Communication about intention to grant a European patent
Aug 3, 2023
Intention to grant (signatures)
Aug 3, 2023
Text intended for grant (clean copy)
Aug 3, 2023
Text intended for grant (version for approval)
Mar 30, 2023
(Electronic) Receipt
Mar 30, 2023
Amended claims with annotations
Mar 30, 2023
Amended description with annotations
Mar 30, 2023
Claims
Mar 30, 2023
Description
Mar 30, 2023
Letter accompanying subsequently filed items
Mar 30, 2023
Reply to communication from the Examining Division
Dec 13, 2022
Annex to the communication
Dec 13, 2022
Communication from the Examining Division
Dec 8, 2022
Examination started
Aug 12, 2021
(Electronic) Receipt
Aug 12, 2021
Letter accompanying subsequently filed items
Aug 12, 2021
Statement of non-availability of priority search results
Jun 25, 2021
Invitation to file a copy of search results(priority)
May 5, 2021
(Electronic) Receipt
May 5, 2021
Amended claims filed after receipt of (European) search report
May 5, 2021
Amended claims with annotations
May 5, 2021
Amendments received before examination
May 5, 2021
Amendments received before examination
May 5, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
(Electronic) Receipt
Apr 20, 2021
Letter accompanying subsequently filed items
Apr 20, 2021
Reply from applicant/patentee regarding third party observations
Feb 24, 2021
Communication to applicant regarding observations by third parties
Jan 26, 2021
Communication concerning the filing of a power of attorney
Jan 26, 2021
Communication of amended entries concerning the representative
Jan 26, 2021
Communication of the registration of a transfer or change of name and/or address
Jan 11, 2021
Observations by third parties
Jan 8, 2021
(Electronic) Receipt
Jan 8, 2021
Annexes in respect of a client data request
Jan 8, 2021
Letter accompanying subsequently filed items
Jan 8, 2021
Submission concerning a transfer of rights (applicant)
Nov 12, 2020
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 26, 2020
Communication regarding the transmission of the European search report
Oct 26, 2020
European search opinion
Oct 26, 2020
Information on Search Strategy
Oct 26, 2020
Supplementary European search report
Jul 24, 2020
Communication regarding the transmission of the European search report
Jul 24, 2020
Document annexed to the provisional opinion accompanying the partial search results
Jul 24, 2020
Information on Search Strategy
Jul 24, 2020
Partial European search report
Jul 24, 2020
Provisional opinion accompanying the partial search results
Jul 10, 2020
Search started
Jun 24, 2020
Notification of forthcoming publication
Apr 20, 2020
Communication to designated inventor
Apr 20, 2020
Communication to designated inventor
Apr 20, 2020
Communication to designated inventor
Apr 20, 2020
Communication to designated inventor
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Abstract
Mar 27, 2020
Abstract
Mar 27, 2020
Amended claims filed after receipt of (European) search report
Mar 27, 2020
Amended description filed after receipt of (European) search report
Mar 27, 2020
Claims
Mar 27, 2020
Copy of the international preliminary report on patentability
Mar 27, 2020
Description
Mar 27, 2020
Drawings
Mar 27, 2020
Request for entry into the European phase
Mar 27, 2020
Translation of the international preliminary report on patentability
Jan 24, 2020
Information on entry into European phase
Apr 12, 2019
Priority document (electronically transmitted)
Mar 21, 2019
Copy of the international search report
Mar 21, 2019
Copy of the translated international search report
Mar 21, 2019
International publication pamphlet

EP3682884

CRYSTAL PHARMACEUTICAL SUZHOU

Application Number: EP18857375A
Filing Date: Mar 13, 2018
Status: Granted And Under Opposition; Mar 22, 2024
Publication Date: Apr 24, 2024
External Links: Slate, EP3682884B1, Google Patents