Methods Of Treating Conditions Related To The S1P1 Receptor

IP Verse

Patent No. EP3801459 (titled "Methods Of Treating Conditions Related To The S1P1 Receptor") was filed by Arena Pharmaceuticals on Jun 5, 2019. The application was issued on Aug 7, 2024.

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
MAIWALD	May 7, 2025	MAIWALD
SYNTHON	May 7, 2025	HAMM & WITTKOPP
TEVA PHARMACEUTICALS	May 7, 2025	VON KAUFFMANN
SANDOZ	May 6, 2025	KRAUS & LEDERER PARTGMBB

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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Oct 7, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 7, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 7, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 7, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Oct 7, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 30, 2025
Decision revoking the European patent
Jun 30, 2025
Decision revoking the European patent
Jun 30, 2025
Decision revoking the European patent
Jun 30, 2025
Decision revoking the European patent
Jun 30, 2025
Decision revoking the European patent
Jun 18, 2025
(Electronic) Receipt
Jun 18, 2025
Letter accompanying subsequently filed items
Jun 18, 2025
Request for revocation of patent
Jun 17, 2025
Letter relating to the revocation of the automatic debiting procedure
May 21, 2025
Communication of a notice of opposition and request to file observations
May 21, 2025
Notice of further oppositions to opponent(s)
May 21, 2025
Notice of further oppositions to opponent(s)
May 21, 2025
Notice of further oppositions to opponent(s)
May 21, 2025
Notice of further oppositions to opponent(s)
May 12, 2025
Communication of a notice of opposition - first information to patent proprietor
May 12, 2025
Communication of a notice of opposition - first information to patent proprietor
May 12, 2025
Communication of a notice of opposition - first information to patent proprietor
May 12, 2025
Communication of a notice of opposition - first information to patent proprietor
May 7, 2025
(Electronic) Receipt
May 7, 2025
(Electronic) Receipt
May 7, 2025
(Electronic) Receipt
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure
May 7, 2025
Citation in opposition procedure - 009
May 7, 2025
Citation in opposition procedure - 009
May 7, 2025
Citation in opposition procedure - 010
May 7, 2025
Citation in opposition procedure - 011
May 7, 2025
Citation in opposition procedure - 012
May 7, 2025
Citation in opposition procedure - 013
May 7, 2025
Citation in opposition procedure - 014
May 7, 2025
Citation in opposition procedure - 015
May 7, 2025
Citation in opposition procedure - 016
May 7, 2025
Citation in opposition procedure - 017
May 7, 2025
Citation in opposition procedure - 018
May 7, 2025
Citation in opposition procedure - 019
May 7, 2025
Citation in opposition procedure - 020
May 7, 2025
Citation in opposition procedure - 021
May 7, 2025
Citation in opposition procedure - 022
May 7, 2025
Consolidated list of cited opposition documents
May 7, 2025
Notice of opposition
May 7, 2025
Notice of opposition
May 7, 2025
Notice of opposition
May 7, 2025
Notice of opposition
May 7, 2025
Notice of opposition
May 7, 2025
Notice of opposition
May 6, 2025
(Electronic) Receipt
May 6, 2025
Citation in opposition procedure - 001
May 6, 2025
Citation in opposition procedure - 002
May 6, 2025
Citation in opposition procedure - 003
May 6, 2025
Citation in opposition procedure - 004
May 6, 2025
Citation in opposition procedure - 005
May 6, 2025
Citation in opposition procedure - 006
May 6, 2025
Citation in opposition procedure - 007
May 6, 2025
Citation in opposition procedure - 008
May 6, 2025
Citation in opposition procedure - 009
May 6, 2025
Notice of opposition
May 6, 2025
Notice of opposition
Aug 21, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 11, 2024
Decision to grant a European patent
May 3, 2024
(Electronic) Receipt
May 3, 2024
German translation of the claims
May 3, 2024
Letter accompanying subsequently filed items
Apr 24, 2024
(Electronic) Receipt
Apr 24, 2024
Filing of the translations of the claims
Apr 24, 2024
French translation of claims
Apr 24, 2024
Translation of the claims
Jan 24, 2024
Bibliographic data of the European patent application
Jan 24, 2024
Communication about intention to grant a European patent
Jan 24, 2024
Intention to grant (signatures)
Jan 24, 2024
Text intended for grant (clean copy)
Jan 24, 2024
Text intended for grant (version for approval)
Dec 21, 2023
(Electronic) Receipt
Dec 21, 2023
Claims
Dec 21, 2023
Description
Dec 21, 2023
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 21, 2023
Summary of subsequently filed documents
Oct 23, 2023
Annex to the communication about intention to grant a European patent
Oct 23, 2023
Bibliographic data of the European patent application
Oct 23, 2023
Communication about intention to grant a European patent
Oct 23, 2023
Intention to grant (signatures)
Oct 23, 2023
Text intended for grant (clean copy)
Oct 23, 2023
Text intended for grant (version for approval)
Apr 12, 2023
(Electronic) Receipt
Apr 12, 2023
Amended description with annotations
Apr 12, 2023
Description
Apr 12, 2023
Letter accompanying subsequently filed items
Apr 12, 2023
Reply to communication from the Examining Division
Mar 16, 2023
Annex to the communication
Mar 16, 2023
Communication from the Examining Division
Mar 9, 2023
Communication of the registration of a transfer or change of name and/or address
Mar 3, 2023
Examination started
Mar 2, 2023
Letter accompanying subsequently filed items
Mar 2, 2023
Miscellaneous requests concerning client data
Mar 2, 2023
Submission concerning change of applicant's address
Jan 30, 2023
Communication confirming withdrawal from representation
Jan 30, 2023
Communication of amended entries concerning the representative
Jan 30, 2023
Letter relating to the request for the automatic debiting procedure
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Submission concerning change of applicant's representative
Aug 31, 2022
Communication of the registration of a transfer or change of name and/or address
Aug 25, 2022
Letter accompanying subsequently filed items
Aug 25, 2022
Submission concerning change of applicant's address
Jul 27, 2021
(Electronic) Receipt
Jul 27, 2021
Amended claims filed after receipt of (European) search report
Jul 27, 2021
Amended claims with annotations
Jul 27, 2021
Amendments received before examination
Jul 27, 2021
Letter accompanying subsequently filed items
Mar 17, 2021
Notification on forthcoming publication of bibliographic data
Mar 10, 2021
Letter which had not been notified
Jan 19, 2021
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 15, 2021
Communication to designated inventor
Jan 15, 2021
Communication to designated inventor
Dec 21, 2020
Copy of the international preliminary report on patentability
Dec 8, 2020
(Electronic) Receipt
Dec 8, 2020
Request for entry into the European phase
Oct 16, 2020
Information on entry into European phase
Jan 3, 2020
Priority document (electronically transmitted)
Jan 3, 2020
Priority document (electronically transmitted)
Jan 3, 2020
Priority document (electronically transmitted)
Dec 12, 2019
Copy of the international search report
Dec 12, 2019
Published international application - A1
Oct 30, 2019
ISR: cited documents
Oct 30, 2019
Written opinion of the ISA, boxes No. I to VIII
Oct 30, 2019
Written opinion of the ISA, cover sheet
Oct 30, 2019
Written opinion of the ISA, supplemental box
Sep 9, 2019
Partial International Search Report
Sep 9, 2019
Provisional opinion accompanying the partial search results
Aug 12, 2019
Annex
Aug 12, 2019
Incoming letter related to ISA procedure
Aug 12, 2019
Incoming letter related to ISA procedure
Aug 12, 2019
Submission concerning representation
Aug 12, 2019
Substitute sheet (Rule 26) - drawings for ISA/EP
Jul 25, 2019
Notification of receipt of Search copy
Jul 18, 2019
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jul 18, 2019
Notification relating to priority claim
Jul 18, 2019
Notification relating to priority claim
Jul 11, 2019
Abstract
Jul 11, 2019
Annex
Jul 11, 2019
Annex
Jul 11, 2019
Claims
Jul 11, 2019
Description
Jul 11, 2019
Drawings
Jul 11, 2019
Fee calculation sheet for an international application
Jul 11, 2019
Incoming letter related to ISA procedure
Jul 11, 2019
Incoming letter related to ISA procedure
Jul 11, 2019
Incoming letter related to ISA procedure
Jul 11, 2019
Incoming letter related to ISA procedure
Jul 11, 2019
Incoming letter related to ISA procedure
Jul 11, 2019
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Jul 11, 2019
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Jul 11, 2019
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Jul 11, 2019
Request form for international application (copy for ISA/EP)
Jul 11, 2019
Submission concerning representation
Jul 11, 2019
Substitute sheet (Rule 26) - request form for ISA/EP

EP3801459

ARENA PHARMACEUTICALS

Application Number: EP19739424A
Filing Date: Jun 5, 2019
Status: Revoked; Oct 3, 2025
Publication Date: Aug 7, 2024
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3801459