Polymorphs Of Febuxostat

Patent No. EP2977372 (titled "Polymorphs Of Febuxostat") was filed by Sandoz on Jun 24, 2011. The application was issued on May 8, 2019.

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
ALFRED E TIEFENBACHER	May 10, 2019	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

Get instant alerts for new documents

Apr 24, 2023
Fax relating to Appeal procedure
Apr 24, 2023
Fax relating to Appeal procedure
Apr 22, 2023
Termination of the opposition proceedings with revocation of patent
Apr 21, 2023
F3032 Notification(s) of the decision
Apr 21, 2023
F3032 Notification(s) of the decision
Apr 18, 2023
Decision of the Board of Appeal
Feb 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 8, 2023
F3013 Oral Proceedings: Forwarding minutes
Feb 4, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 27, 2023
F3345 Forwarding of submissions to parties
Jan 25, 2023
(Electronic) Receipt
Jan 25, 2023
Citation in appeal procedure - 032
Jan 25, 2023
Letter accompanying subsequently filed items
Jan 25, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 18, 2023
Fax relating to Appeal procedure
Jan 17, 2023
Oral proceedings: change of venue
Jan 17, 2023
Oral proceedings: change of venue
Jan 13, 2023
(Electronic) Receipt
Jan 13, 2023
F3345 Forwarding of submissions to parties
Jan 13, 2023
Letter accompanying subsequently filed items
Jan 12, 2023
Fax relating to Appeal procedure
Jan 3, 2023
F3345 Forwarding of submissions to parties
Dec 30, 2022
(Electronic) Receipt
Dec 30, 2022
Letter accompanying subsequently filed items
Dec 30, 2022
Letter dealing with oral proceedings during the appeal procedure
Dec 21, 2022
(Electronic) Receipt
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Request for interpreters during oral proceedings
Dec 2, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 2, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 2, 2022
F3345 Forwarding of submissions to parties
Nov 23, 2022
(Electronic) Receipt
Nov 23, 2022
Letter accompanying subsequently filed items
Nov 23, 2022
Request for interpreters during oral proceedings
Jul 19, 2022
F3022 Oral proceedings: change of board composition
Jul 19, 2022
F3022 Oral proceedings: change of board composition
Jul 14, 2022
F3303.16 Change of composition of the Board (T)
Apr 7, 2022
Advice of delivery
Apr 7, 2022
Advice of delivery
Apr 6, 2022
F3011.1 Oral Proceedings: summons
Apr 6, 2022
F3011.1 Oral Proceedings: summons
Apr 1, 2022
F3010 Oral proceedings: order for summons
Apr 1, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Nov 24, 2021
F3345 Forwarding of submissions to parties
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
Letter accompanying subsequently filed items
Nov 19, 2021
Reply to appeal
Aug 2, 2021
F3303.16 Change of composition of the Board (T)
Jul 18, 2021
Composition of the board (T)
Jul 13, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 8, 2021
(Electronic) Receipt
Jul 8, 2021
Letter accompanying subsequently filed items
Jul 8, 2021
Statement of grounds of appeal
May 18, 2021
F3204 Communication of the file number to the parties
May 18, 2021
F3204 Communication of the file number to the parties
May 6, 2021
(Electronic) Receipt
May 6, 2021
Letter accompanying subsequently filed items
May 6, 2021
Notice of appeal
Mar 16, 2021
Advice of delivery
Mar 9, 2021
Advice of delivery
Mar 9, 2021
Annex to the communication - opposition
Mar 9, 2021
Decision of the Opposition Division and instruction
Mar 9, 2021
Decision rejecting the opposition
Mar 9, 2021
Grounds for the decision (Annex) - opposition
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Internal form - Opposition/addressees
Mar 9, 2021
Means of redress
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 9, 2021
Provision of a copy of the minutes - opposition procedure
Mar 9, 2021
Transmittal of decision / summons - opposition
Mar 9, 2021
Transmittal of decision / summons - opposition
Feb 25, 2021
Information about the result of oral proceedings
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
Notification concerning the date of oral proceedings
Jan 29, 2021
Notification concerning the date of oral proceedings
Jan 28, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Citation in opposition procedure - 031
Jan 25, 2021
Consolidated list of cited opposition documents
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Written submission in preparation to/during oral proceedings
Jan 25, 2021
Written submission in preparation to/during oral proceedings
Dec 21, 2020
Brief communication - Opposition proceedings
Dec 16, 2020
(Electronic) Receipt
Dec 16, 2020
Citation in opposition procedure - 026
Dec 16, 2020
Citation in opposition procedure - 027
Dec 16, 2020
Citation in opposition procedure - 028
Dec 16, 2020
Citation in opposition procedure - 029
Dec 16, 2020
Citation in opposition procedure - 030
Dec 16, 2020
Letter accompanying subsequently filed items
Dec 16, 2020
Written submission in preparation to/during oral proceedings
Dec 10, 2020
Notification concerning the date of oral proceedings
Dec 10, 2020
Notification concerning the date of oral proceedings
Sep 1, 2020
Advice of delivery
Sep 1, 2020
Advice of delivery
Aug 27, 2020
Acknowledgement of a document
Aug 27, 2020
Acknowledgement of a document
Aug 27, 2020
Annex to the communication - opposition
Aug 27, 2020
Information concerning oral proceedings
Aug 27, 2020
Summons to attend oral proceedings
Aug 27, 2020
Summons to attend oral proceedings
Jun 25, 2020
Brief communication - Opposition proceedings
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Auxiliary request during Opposition procedure
Jun 19, 2020
Auxiliary request during Opposition procedure
Jun 19, 2020
Auxiliary request during Opposition procedure
Jun 19, 2020
Auxiliary request during Opposition procedure - 01
Jun 19, 2020
Auxiliary request during Opposition procedure - 02
Jun 19, 2020
Auxiliary request during Opposition procedure - 03
Jun 19, 2020
Citation in opposition procedure - 018
Jun 19, 2020
Citation in opposition procedure - 019
Jun 19, 2020
Citation in opposition procedure - 020
Jun 19, 2020
Citation in opposition procedure - 021
Jun 19, 2020
Citation in opposition procedure - 022
Jun 19, 2020
Citation in opposition procedure - 023
Jun 19, 2020
Citation in opposition procedure - 024
Jun 19, 2020
Citation in opposition procedure - 025
Jun 19, 2020
Letter accompanying subsequently filed items
Jun 19, 2020
Reply of the patent proprietor to the notice(s) of opposition
Feb 21, 2020
Communication of a notice of opposition and request to file observations
Feb 21, 2020
Notice of further oppositions to opponent(s)
Jun 27, 2019
Communication of a notice of opposition - first information to patent proprietor
May 20, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 16, 2019
Rectification of designation of inventor (Legal Division)
May 10, 2019
(Electronic) Receipt
May 10, 2019
Citation in opposition procedure - 001
May 10, 2019
Citation in opposition procedure - 002
May 10, 2019
Citation in opposition procedure - 003
May 10, 2019
Citation in opposition procedure - 004
May 10, 2019
Citation in opposition procedure - 005
May 10, 2019
Citation in opposition procedure - 006
May 10, 2019
Citation in opposition procedure - 007
May 10, 2019
Citation in opposition procedure - 008
May 10, 2019
Citation in opposition procedure - 009
May 10, 2019
Citation in opposition procedure - 010
May 10, 2019
Citation in opposition procedure - 011
May 10, 2019
Citation in opposition procedure - 012
May 10, 2019
Citation in opposition procedure - 013
May 10, 2019
Citation in opposition procedure - 014
May 10, 2019
Citation in opposition procedure - 015
May 10, 2019
Citation in opposition procedure - 016
May 10, 2019
Citation in opposition procedure - 017
May 10, 2019
Notice of opposition
May 10, 2019
Notice of opposition
Apr 29, 2019
Letter concerning the inventor
Apr 11, 2019
Decision to grant a European patent
Apr 2, 2019
Change to the inventor details
Mar 27, 2019
(Electronic) Receipt
Mar 27, 2019
French translation of claims
Mar 27, 2019
German translation of the claims
Mar 27, 2019
Letter accompanying subsequently filed items
Dec 6, 2018
Advice of delivery
Dec 4, 2018
Acknowledgement of receipt of third party observations
Dec 4, 2018
Transmittal of third party observations to applicant
Nov 30, 2018
Information about non-relevance of third-party observations
Nov 28, 2018
(Electronic) Receipt
Nov 28, 2018
Letter accompanying subsequently filed items
Nov 28, 2018
Non-patent literature filed by a third party
Nov 28, 2018
Observations by third parties
Nov 27, 2018
Bibliographic data of the European patent application
Nov 27, 2018
Communication about intention to grant a European patent
Nov 27, 2018
Intention to grant (signatures)
Nov 27, 2018
Intention to grant (signatures)
Nov 27, 2018
Text intended for grant (clean copy)
Nov 27, 2018
Text intended for grant (version for approval)
Oct 17, 2018
Amended description with annotations
Oct 17, 2018
Description
Oct 17, 2018
Reply to communication from the Examining Division
Sep 25, 2018
Acknowledgement of receipt of third party observations
Sep 25, 2018
Transmittal of third party observations to applicant
Sep 13, 2018
(Electronic) Receipt
Sep 13, 2018
Citation filed by a third party
Sep 13, 2018
Citation filed by a third party
Sep 13, 2018
Letter accompanying subsequently filed items
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Non-patent literature filed by a third party
Sep 13, 2018
Observations by third parties
Aug 23, 2018
Annex to the communication
Aug 23, 2018
Communication from the Examining Division
Jul 20, 2018
Amended claims with annotations
Jul 20, 2018
Claims
Jul 20, 2018
Reply to communication from the Examining Division
May 30, 2018
Grant of extension of time limit (examination procedure)
May 17, 2018
Request for extension of time limit to communication from the Examining Division
Mar 20, 2018
Annex to the communication
Mar 20, 2018
Consultation by telephone/in person (with time limit)
Mar 20, 2018
Result of consultation by telephone/in person
Oct 10, 2017
Amended claims with annotations
Oct 10, 2017
Claims
Oct 10, 2017
Non-patent literature cited during the examination procedure
Oct 10, 2017
Reply to communication from the Examining Division
Aug 22, 2017
Grant of extension of time limit (examination procedure)
Aug 10, 2017
Request for extension of time limit to communication from the Examining Division
Apr 13, 2017
Annex to the communication
Apr 13, 2017
Communication from the Examining Division
Apr 3, 2017
Examination started
Jul 26, 2016
Amended claims filed after receipt of (European) search report
Jul 26, 2016
Amended claims with annotations
Jul 26, 2016
Amendments received before examination
Jul 26, 2016
Annex
Jul 26, 2016
Annex
Jul 26, 2016
Payment of fees and costs
Feb 1, 2016
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 7, 2016
Notification of forthcoming publication
Dec 11, 2015
Submission concerning representation
Nov 11, 2015
Refund of fees
Nov 4, 2015
Communication regarding the transmission of the European search report
Nov 4, 2015
European search opinion
Nov 4, 2015
European search report
Oct 26, 2015
Search started
Oct 7, 2015
Communication to designated inventor
Oct 7, 2015
Communication to designated inventor
Oct 7, 2015
Communication to designated inventor
Oct 7, 2015
Communication to designated inventor
Sep 21, 2015
Priority search results copy provided by EPO
Aug 14, 2015
Abstract
Aug 14, 2015
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Aug 14, 2015
Claims
Aug 14, 2015
Description
Aug 14, 2015
Designation of inventor
Aug 14, 2015
Drawings
Aug 14, 2015
Letter concerning fees and payments
Aug 14, 2015
Request for grant of a European patent (divisional application)
Jan 16, 2012
Priority document (electronically transmitted)

EP2977372

SANDOZ

Application Number: EP15181097A
Filing Date: Jun 24, 2011
Status: Revoked; Apr 20, 2023
Publication Date: May 8, 2019
External Links: Slate, Register , Google Patents

IP Verse

Polymorphs Of Febuxostat

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2977372