Process For Preparation Of Apremilast

Patent No. EP3341359 (titled "Process For Preparation Of Apremilast") was filed by Glenmark Life Sciences on Aug 22, 2016. The application was issued on Jan 22, 2025.

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
HAMM & WITTKOPP	Dec 22, 2022	HAMM & WITTKOPP

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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Jan 7, 2025
Decision to maintain the European patent in amended form
Jan 7, 2025
Decision to maintain the European patent in amended form
Dec 18, 2024
(Electronic) Receipt
Dec 18, 2024
Filing of the translation of the amended claims
Dec 18, 2024
French translation of claims
Dec 18, 2024
German translation of the claims
Dec 18, 2024
Letter accompanying subsequently filed items
Oct 15, 2024
Communication of bibliographic data
Oct 15, 2024
Communication to opponent concerning maintenance
Oct 15, 2024
Communication with request to file translations
Oct 7, 2024
Maintenance of the patent with the documents specified in the final decision
Oct 4, 2024
Maintenance of the patent with the documents specified in the final decision
Jul 4, 2024
Annex to the communication - opposition
Jul 4, 2024
Brief communication - Opposition proceedings
Jul 4, 2024
Brief communication - Opposition proceedings
Jul 4, 2024
Druckexemplar in opposition procedure
Jul 4, 2024
Grounds for the decision (Annex) - opposition
Jul 4, 2024
Interlocutory decision in opposition proceedings
Jul 4, 2024
Interlocutory decision in opposition proceedings
Jul 4, 2024
Means of redress
Jul 4, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 4, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 4, 2024
Provision of a copy of the minutes - opposition procedure
Jul 4, 2024
Provision of a copy of the minutes - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 4, 2024
Scanned annex to a communication - opposition procedure
Jul 2, 2024
Decision of the Opposition Division and instruction
Apr 25, 2024
Information about the result of oral proceedings
Mar 28, 2024
Brief communication - Opposition proceedings
Mar 20, 2024
(Electronic) Receipt
Mar 20, 2024
Citation in opposition procedure - 012
Mar 20, 2024
Citation in opposition procedure - 013
Mar 20, 2024
Consolidated list of cited opposition documents
Mar 20, 2024
Letter accompanying subsequently filed items
Mar 20, 2024
Written submission in preparation to/during oral proceedings
Mar 4, 2024
Brief communication - Opposition proceedings
Feb 29, 2024
Brief communication - Opposition proceedings
Feb 23, 2024
(Electronic) Receipt
Feb 23, 2024
Citation in opposition procedure - 010
Feb 23, 2024
Citation in opposition procedure - 011
Feb 23, 2024
Letter accompanying subsequently filed items
Feb 23, 2024
Written submission in preparation to/during oral proceedings
Feb 22, 2024
(Electronic) Receipt
Feb 22, 2024
Auxiliary request during Opposition procedure
Feb 22, 2024
Auxiliary request during Opposition procedure - 01
Feb 22, 2024
Citation in opposition procedure - 009
Feb 22, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
Main request during Opposition procedure
Feb 22, 2024
Main request during Opposition procedure
Feb 22, 2024
Written submission in preparation to/during oral proceedings
Feb 9, 2024
Brief communication - Opposition proceedings
Feb 1, 2024
(Electronic) Receipt
Feb 1, 2024
Letter accompanying subsequently filed items
Feb 1, 2024
Request for interpreters during oral proceedings
Oct 20, 2023
(Electronic) Receipt
Oct 20, 2023
Advice of delivery
Oct 20, 2023
Letter accompanying subsequently filed items
Oct 13, 2023
Advice of delivery
Oct 10, 2023
Annex to the communication - opposition
Oct 10, 2023
Scanned annex to a communication - opposition procedure
Oct 10, 2023
Summons to attend oral proceedings
Oct 10, 2023
Summons to attend oral proceedings
Oct 10, 2023
Transmittal of decision / summons - opposition
Oct 10, 2023
Transmittal of decision / summons - opposition
Jun 19, 2023
Brief communication - Opposition proceedings
Jun 14, 2023
(Electronic) Receipt
Jun 14, 2023
Auxiliary request during Opposition procedure
Jun 14, 2023
Auxiliary request during Opposition procedure - 01
Jun 14, 2023
Letter accompanying subsequently filed items
Jun 14, 2023
Main request during Opposition procedure
Jun 14, 2023
Main request during Opposition procedure
Jun 14, 2023
Reply of the patent proprietor to the notice(s) of opposition
Jun 14, 2023
Reply of the patent proprietor to the notice(s) of opposition
May 26, 2023
Brief communication - Opposition proceedings
May 26, 2023
Grant of extension of time limit (opposition procedure)
May 22, 2023
(Electronic) Receipt
May 22, 2023
Letter accompanying subsequently filed items
May 22, 2023
Request for extension of time limit
Apr 11, 2023
Brief communication - Opposition proceedings
Apr 6, 2023
Communication concerning the filing of a power of attorney
Apr 6, 2023
Communication of amended entries concerning the representative
Apr 5, 2023
Brief communication - Opposition proceedings
Mar 31, 2023
(Electronic) Receipt
Mar 31, 2023
Letter accompanying subsequently filed items (CDR)
Mar 31, 2023
Submission concerning change of proprietor's representative
Mar 30, 2023
(Electronic) Receipt
Mar 30, 2023
Authorisation
Mar 30, 2023
Letter accompanying subsequently filed items (CDR)
Mar 30, 2023
Submission concerning change of proprietor's representative
Jan 17, 2023
Communication of a notice of opposition and request to file observations
Jan 17, 2023
Notice of further oppositions to opponent(s)
Jan 4, 2023
Communication of a notice of opposition - first information to patent proprietor
Dec 22, 2022
(Electronic) Receipt
Dec 22, 2022
Citation in opposition procedure - 001
Dec 22, 2022
Citation in opposition procedure - 002
Dec 22, 2022
Citation in opposition procedure - 003
Dec 22, 2022
Citation in opposition procedure - 004
Dec 22, 2022
Citation in opposition procedure - 005
Dec 22, 2022
Citation in opposition procedure - 006
Dec 22, 2022
Citation in opposition procedure - 007
Dec 22, 2022
Citation in opposition procedure - 008
Dec 22, 2022
Notice of opposition
Dec 22, 2022
Notice of opposition
Apr 5, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 24, 2022
Decision to grant a European patent
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Filing of the translations of the claims
Feb 8, 2022
French translation of claims
Feb 8, 2022
German translation of the claims
Nov 10, 2021
Document concerning representation
Nov 10, 2021
Letter accompanying subsequently filed items
Oct 20, 2021
Bibliographic data of the European patent application
Oct 20, 2021
Communication about intention to grant a European patent
Oct 20, 2021
Intention to grant (signatures)
Oct 20, 2021
Text intended for grant (clean copy)
Oct 20, 2021
Text intended for grant (version for approval)
Mar 29, 2021
(Electronic) Receipt
Mar 29, 2021
Amended description with annotations
Mar 29, 2021
Description
Mar 29, 2021
Letter accompanying subsequently filed items
Mar 29, 2021
Reply to communication from the Examining Division
Dec 18, 2020
Annex to the communication
Dec 18, 2020
Communication from the Examining Division
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Amended claims with annotations
Aug 7, 2020
Claims
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Reply to communication from the Examining Division
May 29, 2020
Document concerning representation
Apr 30, 2020
Annex to the communication
Apr 30, 2020
Communication from the Examining Division
Apr 22, 2020
Examination started
Dec 10, 2019
Communication of the registration of a transfer or change of name and/or address
Nov 25, 2019
(Electronic) Receipt
Nov 25, 2019
Annexes in respect of a client data request
Nov 25, 2019
Letter accompanying subsequently filed items
Nov 25, 2019
Submission concerning a transfer of rights (applicant)
Nov 19, 2019
(Electronic) Receipt
Nov 19, 2019
Letter accompanying subsequently filed items
Nov 19, 2019
Statement of non-availability of priority search results
Oct 28, 2019
Invitation to file a copy of search results(priority)
Oct 17, 2019
(Electronic) Receipt
Oct 17, 2019
Amended claims filed after receipt of (European) search report
Oct 17, 2019
Amended claims with annotations
Oct 17, 2019
Amendments received before examination
Oct 17, 2019
Letter accompanying subsequently filed items
Apr 9, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Mar 21, 2019
Communication regarding the transmission of the European search report
Mar 21, 2019
Document annexed to the Extended European Search Report
Mar 21, 2019
European search opinion
Mar 21, 2019
Information on Search Strategy
Mar 21, 2019
Supplementary European search report
Mar 6, 2019
Search started
Jun 6, 2018
Notification on forthcoming publication of bibliographic data
Apr 30, 2018
Communication regarding possible amendment of the application/payment of claims fee
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Apr 25, 2018
Communication to designated inventor
Mar 19, 2018
(Electronic) Receipt
Mar 19, 2018
Amended claims filed after receipt of (European) search report
Mar 19, 2018
Amended claims with annotations
Mar 19, 2018
Amendments received before examination
Mar 19, 2018
Request for entry into the European phase
Mar 12, 2018
Copy of the international preliminary report on patentability
Jan 5, 2018
Information on entry into European phase
Mar 23, 2017
Priority document (electronically transmitted)
Mar 2, 2017
Copy of the international search report
Mar 2, 2017
Published international application - A1

EP3341359

GLENMARK LIFE SCIENCES

Application Number: EP16838641A
Filing Date: Aug 22, 2016
Status: Patent Maintained As Amended; Dec 20, 2024
Publication Date: Jan 22, 2025
External Links: Slate, Register , Google Patents

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Process For Preparation Of Apremilast

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Dossier Documents

EP3341359