Crenolanib For Treating Flt3 Mutated Proliferative Disorders

Patent No. EP2941251 (titled "Crenolanib For Treating Flt3 Mutated Proliferative Disorders") was filed by Arog Pharmaceuticals on Oct 14, 2013. The application was issued on Mar 7, 2018.

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
HEXAL PHARMA	Dec 7, 2018	KRAUS & LEDERER
HEXAL PHARMA	Dec 7, 2018	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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May 12, 2025
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
May 12, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 6, 2025
Brief communication - Opposition proceedings
Feb 6, 2025
Brief communication - Opposition proceedings
Feb 6, 2025
Decision of the Opposition Division and instruction
Feb 6, 2025
Decision rejecting the opposition
Feb 6, 2025
Decision rejecting the opposition
Feb 6, 2025
Grounds for the decision (Annex) - opposition
Feb 6, 2025
Means of redress
Feb 6, 2025
Scanned annex to a communication - opposition procedure
Jan 22, 2025
Notification concerning the date of oral proceedings
Jan 22, 2025
Notification concerning the date of oral proceedings
Dec 9, 2024
Brief communication - Opposition proceedings
Dec 3, 2024
(Electronic) Receipt
Dec 3, 2024
Brief communication - Opposition proceedings
Dec 3, 2024
Letter accompanying subsequently filed items
Dec 3, 2024
Written submission in preparation to/during oral proceedings
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Letter accompanying subsequently filed items
Nov 28, 2024
Written submission in preparation to/during oral proceedings
Jul 26, 2024
Annex to the communication - opposition
Jul 26, 2024
Scanned annex to a communication - opposition procedure
Jul 26, 2024
Summons to attend oral proceedings
Jul 26, 2024
Summons to attend oral proceedings
May 29, 2024
Refund of fees
May 28, 2024
Decision of the Board of Appeal
May 28, 2024
F3032 Notification(s) of the decision
May 28, 2024
F3032 Notification(s) of the decision
May 17, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 17, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
May 16, 2024
F3014 Oral Proceedings: Order cancelling/postponing
May 16, 2024
F3345 Forwarding of submissions to parties
May 15, 2024
(Electronic) Receipt
May 15, 2024
Letter accompanying subsequently filed items
May 15, 2024
Letter relating to Appeal Procedure
May 13, 2024
F3004 Communication of the Registry
May 13, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 13, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 2, 2024
F3345 Forwarding of submissions to parties
Apr 29, 2024
(Electronic) Receipt
Apr 29, 2024
Letter accompanying subsequently filed items
Apr 29, 2024
Letter relating to Appeal Procedure
Apr 26, 2024
F3345 Forwarding of submissions to parties
Apr 25, 2024
(Electronic) Receipt
Apr 25, 2024
Letter accompanying subsequently filed items
Apr 25, 2024
Letter relating to Appeal Procedure
Mar 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 27, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 19, 2024
F3345 Forwarding of submissions to parties
Jan 18, 2024
(Electronic) Receipt
Jan 18, 2024
Letter accompanying subsequently filed items
Jan 18, 2024
Letter dealing with oral proceedings during the appeal procedure
Dec 12, 2023
Letter accompanying subsequently filed items
Dec 12, 2023
Request for change of opponent's representative
Oct 9, 2023
F3936 Acknowledgement of receipt Board of Appeal
Oct 5, 2023
F3011.1 Oral Proceedings: summons
Oct 5, 2023
F3011.1 Oral Proceedings: summons
Sep 29, 2023
F3010 Oral proceedings: order for summons
Sep 19, 2023
F3303.16 Change of composition of the Board (T)
Jul 29, 2022
F3057 Communication: Change of responsibility of a Board of Appeal
Jul 26, 2022
Composition of the board (T)
Apr 25, 2022
F3345 Forwarding of submissions to parties
Apr 19, 2022
(Electronic) Receipt
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Amended claims with annotations
Apr 19, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 19, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 19, 2022
Auxiliary request during appeals procedure - 01
Apr 19, 2022
Auxiliary request during appeals procedure - 02
Apr 19, 2022
Letter accompanying subsequently filed items
Apr 19, 2022
Main request during appeals procedure
Apr 19, 2022
Reply to appeal
Dec 10, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Dec 2, 2021
(Electronic) Receipt
Dec 2, 2021
Letter accompanying subsequently filed items
Dec 2, 2021
Statement of grounds of appeal
Oct 26, 2021
F3204 Communication of the file number to the parties
Oct 26, 2021
F3204 Communication of the file number to the parties
Oct 14, 2021
(Electronic) Receipt
Oct 14, 2021
Letter accompanying subsequently filed items
Oct 14, 2021
Notice of appeal
Sep 7, 2021
(Electronic) Receipt
Sep 7, 2021
Advice of delivery
Sep 7, 2021
Advice of delivery
Sep 7, 2021
Letter accompanying subsequently filed items
Aug 30, 2021
Transmittal of decision / summons - opposition
Aug 30, 2021
Transmittal of decision / summons - opposition
Aug 26, 2021
Annex to the communication - opposition
Aug 26, 2021
Decision of the Opposition Division and instruction
Aug 26, 2021
Decision rejecting the opposition
Aug 26, 2021
Decision rejecting the opposition
Aug 26, 2021
Grounds for the decision (Annex) - opposition
Aug 26, 2021
Means of redress
Aug 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 26, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Aug 26, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Aug 26, 2021
Provision of a copy of the minutes - opposition procedure
Aug 26, 2021
Provision of a copy of the minutes - opposition procedure
Aug 26, 2021
Scanned annex to a communication - opposition procedure
Mar 29, 2021
Information about the result of oral proceedings
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Request for interpreters during oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Jan 22, 2021
Notification concerning the date of oral proceedings
Dec 17, 2020
Communication of amended entries
Dec 9, 2020
Request for change of opponent's representative
Nov 17, 2020
(Electronic) Receipt
Nov 17, 2020
Advice of delivery
Nov 17, 2020
Letter accompanying subsequently filed items
Nov 6, 2020
Communication about missing advice of delivery
Oct 9, 2020
Advice of delivery
Sep 30, 2020
Acknowledgement of a document
Sep 30, 2020
Acknowledgement of a document
Sep 30, 2020
Annex to the communication - opposition
Sep 30, 2020
Information concerning oral proceedings
Sep 30, 2020
Summons to attend oral proceedings
Sep 30, 2020
Summons to attend oral proceedings
Aug 20, 2020
Brief communication - Opposition proceedings
Aug 20, 2020
Notification concerning the date of oral proceedings
Aug 20, 2020
Notification concerning the date of oral proceedings
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Letter accompanying subsequently filed items
Aug 4, 2020
Written submission in preparation to/during oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jul 3, 2020
(Electronic) Receipt
Jul 3, 2020
Acknowledgement of a document
Jul 3, 2020
Letter accompanying subsequently filed items
Jun 24, 2020
(Electronic) Receipt
Jun 24, 2020
Advice of delivery
Jun 24, 2020
Advice of delivery
Jun 24, 2020
Letter accompanying subsequently filed items
Jun 12, 2020
Acknowledgement of a document
Jun 12, 2020
Acknowledgement of a document
Jun 12, 2020
Annex to the communication - opposition
Jun 12, 2020
Information concerning oral proceedings
Jun 12, 2020
Information concerning oral proceedings
Jun 12, 2020
Summons to attend oral proceedings
Jun 12, 2020
Summons to attend oral proceedings
Jun 9, 2020
Information about the result of oral proceedings
May 28, 2020
Brief communication - Opposition proceedings
May 22, 2020
(Electronic) Receipt
May 22, 2020
Letter accompanying subsequently filed items
May 22, 2020
Written submission in preparation to/during oral proceedings
Apr 30, 2020
Notification concerning the date of oral proceedings
Apr 30, 2020
Notification concerning the date of oral proceedings
Apr 28, 2020
Brief communication - Opposition proceedings
Apr 21, 2020
(Electronic) Receipt
Apr 21, 2020
Letter accompanying subsequently filed items
Apr 21, 2020
Oral proceedings: reply to date proposed
Mar 24, 2020
Brief communication - Opposition proceedings
Mar 18, 2020
Brief communication - Opposition proceedings
Mar 13, 2020
(Electronic) Receipt
Mar 13, 2020
Any annexes (other than citation) to an opposition letter
Mar 13, 2020
Citation in opposition procedure - 046
Mar 13, 2020
Citation in opposition procedure - 047
Mar 13, 2020
Citation in opposition procedure - 048
Mar 13, 2020
Citation in opposition procedure - 049
Mar 13, 2020
Citation in opposition procedure - 050
Mar 13, 2020
Citation in opposition procedure - 051
Mar 13, 2020
Citation in opposition procedure - 052
Mar 13, 2020
Citation in opposition procedure - 053
Mar 13, 2020
Citation in opposition procedure - 054
Mar 13, 2020
Citation in opposition procedure - 055
Mar 13, 2020
Citation in opposition procedure - 056
Mar 13, 2020
Consolidated list of cited opposition documents
Mar 13, 2020
Letter accompanying subsequently filed items
Mar 13, 2020
Written submission in preparation to/during oral proceedings
Mar 12, 2020
(Electronic) Receipt
Mar 12, 2020
Citation in opposition procedure - 009
Mar 12, 2020
Citation in opposition procedure - 010
Mar 12, 2020
Letter accompanying subsequently filed items
Mar 12, 2020
Written submission in preparation to/during oral proceedings
Nov 5, 2019
Advice of delivery
Oct 10, 2019
Advice of delivery
Sep 17, 2019
Advice of delivery
Sep 17, 2019
Advice of delivery
Sep 10, 2019
Acknowledgement of a document
Sep 10, 2019
Acknowledgement of a document
Sep 10, 2019
Annex to the communication - opposition
Sep 10, 2019
Information concerning oral proceedings
Sep 10, 2019
Information concerning oral proceedings
Sep 10, 2019
Summons to attend oral proceedings
Sep 10, 2019
Summons to attend oral proceedings
May 9, 2019
Brief communication - Opposition proceedings
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
(Electronic) Receipt
Apr 30, 2019
Any annexes (other than citation) to an opposition letter
Apr 30, 2019
Any annexes (other than citation) to an opposition letter
Apr 30, 2019
Auxiliary request during Opposition procedure
Apr 30, 2019
Auxiliary request during Opposition procedure
Apr 30, 2019
Auxiliary request during Opposition procedure - 01
Apr 30, 2019
Auxiliary request during Opposition procedure - 02
Apr 30, 2019
Citation in opposition procedure - 011
Apr 30, 2019
Citation in opposition procedure - 012
Apr 30, 2019
Citation in opposition procedure - 013
Apr 30, 2019
Citation in opposition procedure - 014
Apr 30, 2019
Citation in opposition procedure - 015
Apr 30, 2019
Citation in opposition procedure - 016
Apr 30, 2019
Citation in opposition procedure - 017
Apr 30, 2019
Citation in opposition procedure - 018
Apr 30, 2019
Citation in opposition procedure - 019
Apr 30, 2019
Citation in opposition procedure - 020
Apr 30, 2019
Citation in opposition procedure - 021
Apr 30, 2019
Citation in opposition procedure - 022
Apr 30, 2019
Citation in opposition procedure - 023
Apr 30, 2019
Citation in opposition procedure - 024
Apr 30, 2019
Citation in opposition procedure - 025
Apr 30, 2019
Citation in opposition procedure - 026
Apr 30, 2019
Citation in opposition procedure - 027
Apr 30, 2019
Citation in opposition procedure - 028
Apr 30, 2019
Citation in opposition procedure - 029
Apr 30, 2019
Citation in opposition procedure - 030
Apr 30, 2019
Citation in opposition procedure - 031
Apr 30, 2019
Citation in opposition procedure - 032
Apr 30, 2019
Citation in opposition procedure - 033
Apr 30, 2019
Citation in opposition procedure - 034
Apr 30, 2019
Citation in opposition procedure - 035
Apr 30, 2019
Citation in opposition procedure - 036
Apr 30, 2019
Citation in opposition procedure - 037
Apr 30, 2019
Citation in opposition procedure - 038
Apr 30, 2019
Citation in opposition procedure - 039
Apr 30, 2019
Citation in opposition procedure - 040
Apr 30, 2019
Citation in opposition procedure - 041
Apr 30, 2019
Citation in opposition procedure - 042
Apr 30, 2019
Citation in opposition procedure - 043
Apr 30, 2019
Citation in opposition procedure - 044
Apr 30, 2019
Citation in opposition procedure - 045
Apr 30, 2019
Letter accompanying subsequently filed items
Apr 30, 2019
Letter accompanying subsequently filed items
Apr 30, 2019
Main request during Opposition procedure
Apr 30, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jan 16, 2019
Brief communication - Opposition proceedings
Jan 16, 2019
Brief communication - Opposition proceedings
Jan 10, 2019
(Electronic) Receipt
Jan 10, 2019
Letter accompanying subsequently filed items
Jan 10, 2019
Letter regarding the opposition procedure (no time limit)
Jan 4, 2019
Communication of amended entries concerning the representative
Dec 21, 2018
Communication of a notice of opposition and request to file observations
Dec 21, 2018
Notice of further oppositions to opponent(s)
Dec 20, 2018
Submission concerning change of applicant's representative
Dec 14, 2018
Communication of a notice of opposition - first information to patent proprietor
Dec 7, 2018
(Electronic) Receipt
Dec 7, 2018
Citation in opposition procedure - 001
Dec 7, 2018
Citation in opposition procedure - 002
Dec 7, 2018
Citation in opposition procedure - 003
Dec 7, 2018
Citation in opposition procedure - 004
Dec 7, 2018
Citation in opposition procedure - 005
Dec 7, 2018
Citation in opposition procedure - 006
Dec 7, 2018
Citation in opposition procedure - 007
Dec 7, 2018
Citation in opposition procedure - 008
Dec 7, 2018
Notice of opposition
Dec 7, 2018
Notice of opposition
Nov 30, 2018
Communication confirming withdrawal from representation
Nov 30, 2018
Communication of amended entries concerning the representative
Nov 14, 2018
(Electronic) Receipt
Nov 14, 2018
Letter accompanying subsequently filed items
Nov 14, 2018
Submission concerning change of applicant's representative
Nov 13, 2018
(Electronic) Receipt
Nov 13, 2018
Letter accompanying subsequently filed items
Nov 13, 2018
Submission concerning change of applicant's representative
Mar 19, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 8, 2018
Decision to grant a European patent
Jan 24, 2018
(Electronic) Receipt
Jan 24, 2018
Filing of the translations of the claims
Jan 24, 2018
French translation of claims
Jan 24, 2018
German translation of the claims
Jan 16, 2018
Bibliographic data of the European patent application
Jan 16, 2018
Communication about intention to grant a European patent
Jan 16, 2018
Intention to grant (signatures)
Jan 16, 2018
Text intended for grant (clean copy)
Jan 16, 2018
Text intended for grant (version for approval)
Dec 21, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
Letter accompanying subsequently filed items
Dec 20, 2017
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 30, 2017
Bibliographic data of the European patent application
Nov 30, 2017
Communication about intention to grant a European patent
Nov 30, 2017
Intention to grant (signatures)
Nov 30, 2017
Text intended for grant (clean copy)
Nov 30, 2017
Text intended for grant (version for approval)
Nov 22, 2017
Annex to the communication
Nov 22, 2017
Consultation by telephone/in person
Nov 22, 2017
Result of consultation by telephone/in person
Jul 18, 2017
(Electronic) Receipt
Jul 18, 2017
Amended claims with annotations
Jul 18, 2017
Amended description with annotations
Jul 18, 2017
Claims
Jul 18, 2017
Description
Jul 18, 2017
Letter accompanying subsequently filed items
Jul 18, 2017
Reply to communication from the Examining Division
May 11, 2017
Annex to the communication
May 11, 2017
Communication from the Examining Division
May 3, 2017
Examination started
Jan 23, 2017
(Electronic) Receipt
Jan 23, 2017
Amended claims filed after receipt of (European) search report
Jan 23, 2017
Amended claims with annotations
Jan 23, 2017
Amendments received before examination
Jan 23, 2017
Letter accompanying subsequently filed items
Aug 11, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jul 25, 2016
Communication regarding the transmission of the European search report
Jul 25, 2016
European search opinion
Jul 25, 2016
Information on Search Strategy
Jul 25, 2016
Supplementary European search report
Jul 13, 2016
Search started
Nov 11, 2015
Refund of fees
Nov 10, 2015
Communication of amended entries concerning the representative
Nov 4, 2015
(Electronic) Receipt
Nov 4, 2015
Letter accompanying subsequently filed items
Nov 4, 2015
Submission concerning change of applicant's representative
Oct 14, 2015
Notification on forthcoming publication of bibliographic data
Sep 2, 2015
Communication regarding possible amendment of the application/payment of claims fee
Sep 1, 2015
Communication for party to proceedings/third party
Aug 31, 2015
Communication to designated inventor
Aug 6, 2015
(Electronic) Receipt
Aug 6, 2015
Amended claims filed after receipt of (European) search report
Aug 6, 2015
Amended claims with annotations
Aug 6, 2015
Request for entry into the European phase
Jul 23, 2015
Copy of the international preliminary report on patentability
Jun 23, 2015
Notification of the recording of a change
May 18, 2015
Information on entry into European phase
Jul 28, 2014
Priority document (electronically transmitted)
Jul 28, 2014
Priority document (electronically transmitted)
Jul 10, 2014
Published international application - A2

EP2941251

AROG PHARMACEUTICALS

Application Number: EP13869984A
Filing Date: Oct 14, 2013
Status: Opposition Rejected; May 9, 2025
Publication Date: Mar 7, 2018
External Links: Slate, Register , Google Patents

IP Verse

Crenolanib For Treating Flt3 Mutated Proliferative Disorders

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2941251