Crystalline Forms Of Tapentadol Salts And Process For Preparation Thereof

Patent No. EP3377049 (titled "Crystalline Forms Of Tapentadol Salts And Process For Preparation Thereof") was filed by Kishore Kumar on Nov 16, 2016. The application was issued on Jan 6, 2021.

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
MURGITROYD	Oct 6, 2021	MURGITROYD

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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Jun 9, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jun 9, 2023
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Jun 5, 2023
Termination of the opposition proceedings with revocation of patent
Feb 24, 2023
Advice of delivery
Feb 22, 2023
Annex to the communication - opposition
Feb 22, 2023
Decision of the Opposition Division and instruction
Feb 22, 2023
Decision revoking the European patent
Feb 22, 2023
Decision revoking the European patent
Feb 22, 2023
Grounds for the decision (Annex) - opposition
Feb 22, 2023
Means of redress
Feb 22, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 22, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 22, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 22, 2023
Provision of a copy of the minutes - opposition procedure
Feb 22, 2023
Provision of a copy of the minutes - opposition procedure
Feb 22, 2023
Scanned annex to a communication - opposition procedure
Feb 22, 2023
Transmittal of decision / summons - opposition
Feb 22, 2023
Transmittal of decision / summons - opposition
Feb 6, 2023
Information about the result of oral proceedings
Jan 25, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
Brief communication - Opposition proceedings
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Auxiliary request during Opposition procedure
Jan 19, 2023
Auxiliary request during Opposition procedure - 01
Jan 19, 2023
Letter accompanying subsequently filed items
Jan 19, 2023
Written submission in preparation to/during oral proceedings
Jan 6, 2023
(Electronic) Receipt
Jan 3, 2023
Communication of amended entries
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Request for change of opponent's representative
Dec 12, 2022
Brief communication - Opposition proceedings
Dec 12, 2022
Brief communication - Opposition proceedings
Dec 7, 2022
(Electronic) Receipt
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
Auxiliary request during Opposition procedure - 01
Dec 6, 2022
Citation in opposition procedure - 012
Dec 6, 2022
Consolidated list of cited opposition documents
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Request for interpreters during oral proceedings
Dec 6, 2022
Written submission in preparation to/during oral proceedings
Dec 6, 2022
Written submission in preparation to/during oral proceedings
Dec 6, 2022
Written submission in preparation to/during oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Advice of delivery
Aug 9, 2022
Letter accompanying subsequently filed items
Jul 27, 2022
Advice of delivery
Jul 26, 2022
Annex to the communication - opposition
Jul 26, 2022
Information concerning oral proceedings
Jul 26, 2022
Summons to attend oral proceedings
Jul 26, 2022
Summons to attend oral proceedings
Jul 26, 2022
Transmittal of decision / summons - opposition
Jul 26, 2022
Transmittal of decision / summons - opposition
Jul 22, 2022
Communication concerning the filing of a power of attorney
Jul 22, 2022
Communication of amended entries concerning the representative
Jul 19, 2022
Communication concerning signing of documents
Jul 15, 2022
(Electronic) Receipt
Jul 15, 2022
Authorisation
Jul 15, 2022
Letter accompanying subsequently filed items
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
Authorisation
Jul 8, 2022
Submission concerning change of applicant's representative
May 12, 2022
Brief communication - Opposition proceedings
May 12, 2022
Communication of amended entries
May 11, 2022
Communication concerning signing of documents
May 6, 2022
Brief communication - Opposition proceedings
May 2, 2022
(Electronic) Receipt
May 2, 2022
Letter accompanying subsequently filed items
May 2, 2022
Reply of the patent proprietor to the notice(s) of opposition
Apr 8, 2022
(Electronic) Receipt
Apr 8, 2022
Annexes in respect of a client data request
Apr 8, 2022
Annexes in respect of a client data request
Apr 8, 2022
Letter accompanying subsequently filed items
Apr 8, 2022
Miscellaneous requests concerning client data
Mar 3, 2022
(Electronic) Receipt
Mar 3, 2022
Annexes in respect of a client data request
Mar 3, 2022
Annexes in respect of a client data request
Mar 3, 2022
Annexes in respect of a client data request
Mar 3, 2022
Letter accompanying subsequently filed items
Mar 3, 2022
Request for change of name -opponent
Feb 24, 2022
Brief communication - Opposition proceedings
Feb 24, 2022
Grant of extension of time limit (opposition procedure)
Feb 18, 2022
(Electronic) Receipt
Feb 18, 2022
Authorisation
Feb 18, 2022
Letter accompanying subsequently filed items
Feb 18, 2022
Request for extension of time limit
Dec 6, 2021
Letter accompanying subsequently filed items
Dec 6, 2021
Request concerning representative opponent
Oct 20, 2021
Communication of a notice of opposition and request to file observations
Oct 20, 2021
Notice of further oppositions to opponent(s)
Oct 12, 2021
Communication of a notice of opposition - first information to patent proprietor
Oct 6, 2021
(Electronic) Receipt
Oct 6, 2021
Citation in opposition procedure - 001
Oct 6, 2021
Citation in opposition procedure - 002
Oct 6, 2021
Citation in opposition procedure - 003
Oct 6, 2021
Citation in opposition procedure - 004
Oct 6, 2021
Citation in opposition procedure - 005
Oct 6, 2021
Citation in opposition procedure - 006
Oct 6, 2021
Citation in opposition procedure - 007
Oct 6, 2021
Citation in opposition procedure - 008
Oct 6, 2021
Citation in opposition procedure - 009
Oct 6, 2021
Citation in opposition procedure - 010
Oct 6, 2021
Citation in opposition procedure - 011
Oct 6, 2021
International publication (Pamphlet)
Oct 6, 2021
Letter regarding the opposition procedure (no time limit)
Oct 6, 2021
Notice of opposition
Oct 6, 2021
Notice of opposition
Jan 20, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Dec 10, 2020
Decision to grant a European patent
Oct 7, 2020
(Electronic) Receipt
Oct 7, 2020
Filing of the translations of the claims
Oct 7, 2020
French translation of claims
Oct 7, 2020
German translation of the claims
Aug 19, 2020
Change to the inventor details
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
Annex
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Letter concerning the inventor
Aug 3, 2020
Bibliographic data of the European patent application
Aug 3, 2020
Communication about intention to grant a European patent
Aug 3, 2020
Intention to grant (signatures)
Aug 3, 2020
Text intended for grant (clean copy)
Aug 3, 2020
Text intended for grant (version for approval)
May 25, 2020
Examination started
Jan 15, 2020
(Electronic) Receipt
Jan 15, 2020
Letter accompanying subsequently filed items
Jan 15, 2020
Statement of non-availability of priority search results
Dec 20, 2019
Invitation to file a copy of search results(priority)
Dec 10, 2019
(Electronic) Receipt
Dec 10, 2019
Amended claims filed after receipt of (European) search report
Dec 10, 2019
Amended description filed after receipt of (European) search report
Dec 10, 2019
Amendments received before examination
Dec 10, 2019
Drawings
Dec 10, 2019
Letter accompanying subsequently filed items
Jun 3, 2019
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 14, 2019
Communication regarding the transmission of the European search report
May 14, 2019
European search opinion
May 14, 2019
Information on Search Strategy
May 14, 2019
Supplementary European search report
May 10, 2019
Communication of the registration of a transfer or change of name and/or address
May 7, 2019
Search started
Mar 13, 2019
(Electronic) Receipt
Mar 13, 2019
Letter accompanying subsequently filed items
Mar 13, 2019
Miscellaneous requests concerning client data
Feb 21, 2019
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Jan 16, 2019
(Electronic) Receipt
Jan 16, 2019
Annexes in respect of a client data request
Jan 16, 2019
Letter accompanying subsequently filed items
Jan 16, 2019
Submission concerning a transfer of rights (applicant)
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Amended claims filed after receipt of (European) search report
Jan 10, 2019
Amendments received before examination
Jan 10, 2019
Letter accompanying subsequently filed items
Aug 29, 2018
Notification on forthcoming publication of bibliographic data
Jul 5, 2018
Communication regarding possible amendment of the application/payment of claims fee
Jul 3, 2018
Communication to designated inventor
Jul 3, 2018
Communication to designated inventor
Jul 3, 2018
Communication to designated inventor
Jun 18, 2018
(Electronic) Receipt
Jun 18, 2018
Request for entry into the European phase
Jun 5, 2018
Copy of the international preliminary report on patentability
Apr 3, 2018
Information on entry into European phase
Jun 14, 2017
Priority document (electronically transmitted)
May 26, 2017
Copy of the international search report
May 26, 2017
Published international application - A1

EP3377049

KISHORE KUMAR

Application Number: EP16865892A
Filing Date: Nov 16, 2016
Status: Revoked; Jun 9, 2023
Publication Date: Jan 6, 2021
External Links: Slate, Register , Google Patents

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Crystalline Forms Of Tapentadol Salts And Process For Preparation Thereof

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Dossier Documents

EP3377049