Polymorphic And Pseudopolymorphic Forms Of Pharmaceutical Compound Nxl104

Patent No. EP3269717 (titled "Polymorphic And Pseudopolymorphic Forms Of Pharmaceutical Compound Nxl104") was filed by Pfizer on Oct 8, 2010. The application was issued on Aug 9, 2023.

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
LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB	Nov 26, 2019	LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB

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 11, 2023
Brief communication - Opposition proceedings
Jul 11, 2023
Brief communication - Opposition proceedings
Jul 6, 2023
Letter concerning publication issues
Jun 20, 2023
(Electronic) Receipt
Jun 20, 2023
Letter accompanying subsequently filed items
Jun 20, 2023
Request for correction of the publication
May 19, 2023
Decision to maintain the European patent in amended form
May 19, 2023
Decision to maintain the European patent in amended form
May 12, 2023
Termination of the opposition proceedings with maintenance of patent
Apr 27, 2023
(Electronic) Receipt
Apr 27, 2023
Filing of the translation of the amended claims
Apr 27, 2023
French translation of claims
Apr 27, 2023
German translation of the claims
Apr 27, 2023
Letter accompanying subsequently filed items
Apr 19, 2023
Refund of fees
Apr 3, 2023
Advice of delivery
Mar 9, 2023
Communication of bibliographic data
Mar 9, 2023
Communication to opponent concerning maintenance
Mar 9, 2023
Communication with request to file translations
Mar 6, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 6, 2023
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 6, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 6, 2023
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Mar 3, 2023
F3345 Forwarding of submissions to parties
Mar 1, 2023
F3014 Oral Proceedings: Order cancelling/postponing
Mar 1, 2023
Maintenance of the patent with the documents specified in the final decision
Feb 28, 2023
(Electronic) Receipt
Feb 28, 2023
Letter regarding the opposition procedure (no time limit)
Feb 28, 2023
Withdrawal of an appeal
Jan 24, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 24, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 20, 2023
Advice of delivery
Jan 19, 2023
F3011.2 Oral Proceedings: Summons VICO
Jan 19, 2023
F3011.2 Oral Proceedings: Summons VICO
Jan 17, 2023
(Electronic) Receipt
Jan 17, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
F3010 Oral proceedings: order for summons
Jan 16, 2023
F3039 Attendance note about a phone conversation and continuation sheet
Jan 16, 2023
F3303.16 Change of composition of the Board (T)
Jan 12, 2022
F3345 Forwarding of submissions to parties
Jan 6, 2022
(Electronic) Receipt
Jan 6, 2022
Claims
Jan 6, 2022
Claims
Jan 6, 2022
Letter accompanying subsequently filed items
Jan 6, 2022
Reply to appeal
Jan 6, 2022
Reply to appeal
Sep 22, 2021
Composition of the board (T)
Sep 10, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 7, 2021
(Electronic) Receipt
Sep 7, 2021
Letter accompanying subsequently filed items
Sep 7, 2021
Statement of grounds of appeal
Jul 13, 2021
F3204 Communication of the file number to the parties
Jul 13, 2021
F3204 Communication of the file number to the parties
Jul 6, 2021
(Electronic) Receipt
Jul 6, 2021
Letter accompanying subsequently filed items
Jul 6, 2021
Notice of appeal
May 17, 2021
Advice of delivery
May 7, 2021
(Electronic) Receipt
May 7, 2021
Advice of delivery
May 7, 2021
Annex to the communication - opposition
May 7, 2021
Decision of the Opposition Division and instruction
May 7, 2021
Druckexemplar in opposition procedure
May 7, 2021
Grounds for the decision (Annex) - opposition
May 7, 2021
Interlocutory decision in opposition proceedings
May 7, 2021
Internal form - Opposition/addressees
May 7, 2021
Internal form - Opposition/addressees
May 7, 2021
Letter accompanying subsequently filed items
May 7, 2021
Means of redress
May 7, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 7, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 7, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 7, 2021
Provision of a copy of the minutes - opposition procedure
May 7, 2021
Scanned annex to a communication - opposition procedure
May 7, 2021
Transmittal of decision / summons - opposition
May 7, 2021
Transmittal of decision / summons - opposition
Apr 19, 2021
Information about the result of oral proceedings
Mar 15, 2021
Brief communication - Opposition proceedings
Mar 5, 2021
(Electronic) Receipt
Mar 5, 2021
Citation in opposition procedure - 026
Mar 5, 2021
Citation in opposition procedure - 027
Mar 5, 2021
Consolidated list of cited opposition documents
Mar 5, 2021
Written submission in preparation to/during oral proceedings
Mar 1, 2021
Annex to the communication - opposition
Mar 1, 2021
Notification concerning the date of oral proceedings
Mar 1, 2021
Notification concerning the date of oral proceedings
Feb 23, 2021
Brief communication - Opposition proceedings
Feb 18, 2021
(Electronic) Receipt
Feb 18, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
(Electronic) Receipt
Feb 16, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
Written submission in preparation to/during oral proceedings
Jan 21, 2021
Communication of amended entries
Dec 22, 2020
Notification concerning the date of oral proceedings
Dec 22, 2020
Notification concerning the date of oral proceedings
Dec 14, 2020
Request for change of opponent's representative
Dec 9, 2020
Request for change of opponent's representative
Oct 5, 2020
Advice of delivery
Sep 29, 2020
(Electronic) Receipt
Sep 29, 2020
Advice of delivery
Sep 29, 2020
Letter accompanying subsequently filed items
Sep 25, 2020
Acknowledgement of a document
Sep 25, 2020
Acknowledgement of a document
Sep 25, 2020
Annex to the communication - opposition
Sep 25, 2020
Information concerning oral proceedings
Sep 25, 2020
Summons to attend oral proceedings
Sep 25, 2020
Summons to attend oral proceedings
Aug 13, 2020
Brief communication - Opposition proceedings
Aug 7, 2020
(Electronic) Receipt
Aug 7, 2020
Citation in opposition procedure - 025
Aug 7, 2020
Letter accompanying subsequently filed items
Aug 7, 2020
Reply from the opponent to submission of proprietor
Jun 23, 2020
Brief communication - Opposition proceedings
Jun 17, 2020
(Electronic) Receipt
Jun 17, 2020
Auxiliary request during Opposition procedure - 01
Jun 17, 2020
Auxiliary request during Opposition procedure - 02
Jun 17, 2020
Citation in opposition procedure - 011
Jun 17, 2020
Citation in opposition procedure - 012
Jun 17, 2020
Citation in opposition procedure - 013
Jun 17, 2020
Citation in opposition procedure - 014
Jun 17, 2020
Citation in opposition procedure - 015
Jun 17, 2020
Citation in opposition procedure - 016
Jun 17, 2020
Citation in opposition procedure - 017
Jun 17, 2020
Citation in opposition procedure - 018
Jun 17, 2020
Citation in opposition procedure - 019
Jun 17, 2020
Citation in opposition procedure - 020
Jun 17, 2020
Citation in opposition procedure - 021
Jun 17, 2020
Citation in opposition procedure - 022
Jun 17, 2020
Citation in opposition procedure - 023
Jun 17, 2020
Citation in opposition procedure - 024
Jun 17, 2020
Letter accompanying subsequently filed items
Jun 17, 2020
Main request during Opposition procedure
Jun 17, 2020
Reply of the patent proprietor to the notice(s) of opposition
Apr 15, 2020
Brief communication - Opposition proceedings
Apr 15, 2020
Grant of extension of time limit (opposition procedure)
Apr 6, 2020
(Electronic) Receipt
Apr 6, 2020
Letter accompanying subsequently filed items
Apr 6, 2020
Request for extension of time limit
Dec 9, 2019
Communication of a notice of opposition and request to file observations
Dec 9, 2019
Notice of further oppositions to opponent(s)
Dec 2, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 26, 2019
(Electronic) Receipt
Nov 26, 2019
Citation in opposition procedure - 001
Nov 26, 2019
Citation in opposition procedure - 002
Nov 26, 2019
Citation in opposition procedure - 003
Nov 26, 2019
Citation in opposition procedure - 004
Nov 26, 2019
Citation in opposition procedure - 005
Nov 26, 2019
Citation in opposition procedure - 006
Nov 26, 2019
Citation in opposition procedure - 007
Nov 26, 2019
Citation in opposition procedure - 008
Nov 26, 2019
Citation in opposition procedure - 009
Nov 26, 2019
Citation in opposition procedure - 010
Nov 26, 2019
Notice of opposition
Nov 26, 2019
Notice of opposition
Mar 11, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 31, 2019
Decision to grant a European patent
Jan 15, 2019
(Electronic) Receipt
Jan 15, 2019
Filing of the translations of the claims
Jan 15, 2019
French translation of claims
Jan 15, 2019
German translation of the claims
Sep 24, 2018
Bibliographic data of the European patent application
Sep 24, 2018
Communication about intention to grant a European patent
Sep 24, 2018
Intention to grant (signatures)
Sep 24, 2018
Text intended for grant (clean copy)
Sep 24, 2018
Text intended for grant (version for approval)
Aug 27, 2018
Examination started
Jul 12, 2018
(Electronic) Receipt
Jul 12, 2018
Amended claims filed after receipt of (European) search report
Jul 12, 2018
Amended description filed after receipt of (European) search report
Jul 12, 2018
Amended description with annotations
Jul 12, 2018
Amendments received before examination
Jul 12, 2018
Letter accompanying subsequently filed items
Jan 22, 2018
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Dec 20, 2017
Notification of forthcoming publication
Nov 22, 2017
Refund of fees
Nov 20, 2017
Communication regarding the transmission of the European search report
Nov 20, 2017
European search opinion
Nov 20, 2017
European search report
Nov 20, 2017
Information on Search Strategy
Nov 13, 2017
Invitation to indicate correct address of inventor
Nov 8, 2017
Search started
Nov 7, 2017
Letter which had not been notified
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Oct 13, 2017
Communication to designated inventor
Sep 11, 2017
Priority search results copy provided by EPO
Jul 21, 2017
Abstract
Jul 21, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 21, 2017
Claims
Jul 21, 2017
Description
Jul 21, 2017
Designation of inventor
Jul 21, 2017
Drawings
Jul 21, 2017
Letter concerning search matters
Jul 21, 2017
Request for grant of a European patent
May 6, 2011
Priority document (electronically transmitted)
May 6, 2011
Priority document (electronically transmitted)

EP3269717

PFIZER

Application Number: EP17182561A
Filing Date: Oct 8, 2010
Status: Patent Maintained As Amended; May 12, 2023
Publication Date: Aug 9, 2023
External Links: Slate, Register , Google Patents

IP Verse

Polymorphic And Pseudopolymorphic Forms Of Pharmaceutical Compound Nxl104

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Dossier Documents

EP3269717