Use Of Hif Alpha Stabilizers For Enhancing Erythropoiesis

Patent No. EP1633333 (titled "Use Of Hif Alpha Stabilizers For Enhancing Erythropoiesis") was filed by Fibrogen, Inc. on Jun 4, 2004. The application was issued on Aug 20, 2014.

Patent Family

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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
AKEBIA THERAPEUTICS	May 20, 2015	JONES DAY

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

Jan 9, 2026
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Jan 9, 2026
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Sep 22, 2025
Decision revoking the European Patent (patent proprietor)
Sep 22, 2025
Decision revoking the European patent (opponent)
Jun 18, 2025
Communication concerning surcharge and failure to observe time limit
Feb 12, 2025
Communication of bibliographic data
Feb 12, 2025
Communication to opponent concerning maintenance
Feb 12, 2025
Communication with request to file translations
Feb 7, 2025
Maintenance of the patent with the documents specified in the final decision
Oct 23, 2024
Decision of the Opposition Division and instruction
Oct 23, 2024
Druckexemplar in opposition procedure
Oct 23, 2024
Grounds for the decision (Annex) - opposition
Oct 23, 2024
Interlocutory decision in opposition proceedings
Oct 23, 2024
Interlocutory decision in opposition proceedings
Oct 23, 2024
Means of redress
May 2, 2024
Annex to the communication - opposition
May 2, 2024
Brief communication - Opposition proceedings
May 2, 2024
Brief communication - Opposition proceedings
May 2, 2024
Communication inviting the parties to file observations
May 2, 2024
Communication inviting the parties to file observations
Aug 21, 2023
Brief communication - Opposition proceedings
Aug 16, 2023
(Electronic) Receipt
Aug 16, 2023
Amended description with annotations
Aug 16, 2023
Description
Aug 16, 2023
Letter accompanying subsequently filed items
Aug 16, 2023
Reply to an examination report in opposition proceedings
Apr 17, 2023
Annex to the communication - opposition
Apr 17, 2023
Brief communication - Opposition proceedings
Apr 17, 2023
Brief communication - Opposition proceedings
Apr 17, 2023
Communication inviting the parties to file observations
Apr 17, 2023
Communication inviting the parties to file observations
Feb 15, 2023
Advice of delivery
Feb 13, 2023
Decision of the Board of Appeal
Feb 13, 2023
F3032 Notification(s) of the decision
Feb 13, 2023
F3032 Notification(s) of the decision
Feb 2, 2023
(Electronic) Receipt
Feb 2, 2023
General enquiry
Feb 2, 2023
Letter accompanying subsequently filed items
Sep 19, 2022
F3004 Communication of the Registry
Sep 19, 2022
F3004 Communication of the Registry
Sep 9, 2022
(Electronic) Receipt
Sep 9, 2022
General enquiry
Sep 9, 2022
Letter accompanying subsequently filed items
Mar 17, 2022
Amended claims with annotations
Mar 17, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 17, 2022
F3013 Oral Proceedings: Forwarding minutes
Mar 17, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Feb 18, 2022
F3004 Communication of the Registry
Feb 18, 2022
F3004 Communication of the Registry
Feb 17, 2022
F3345 Forwarding of submissions to parties
Feb 2, 2022
(Electronic) Receipt
Feb 2, 2022
Authorisation
Feb 2, 2022
Letter accompanying subsequently filed items
Feb 2, 2022
Letter dealing with oral proceedings during the appeal procedure
Jan 26, 2022
F3345 Forwarding of submissions to parties
Jan 24, 2022
F3345 Forwarding of submissions to parties
Jan 21, 2022
(Electronic) Receipt
Jan 21, 2022
Annexes (other than cited documents) regarding appeal procedure
Jan 21, 2022
Letter accompanying subsequently filed items
Jan 21, 2022
Letter dealing with oral proceedings during the appeal procedure
Jan 19, 2022
(Electronic) Receipt
Jan 19, 2022
Annexes (other than cited documents) regarding appeal procedure
Jan 19, 2022
Citation in appeal procedure - 109
Jan 19, 2022
Citation in appeal procedure - 110
Jan 19, 2022
Citation in appeal procedure - 111
Jan 19, 2022
Citation in appeal procedure - 112
Jan 19, 2022
Citation in appeal procedure - 113
Jan 19, 2022
Citation in appeal procedure - 114
Jan 19, 2022
Citation in appeal procedure - 115
Jan 19, 2022
Citation in appeal procedure - 116
Jan 19, 2022
Citation in appeal procedure - 117
Jan 19, 2022
Citation in appeal procedure - 118
Jan 19, 2022
Letter accompanying subsequently filed items
Jan 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Aug 13, 2021
Communication of amended entries concerning the representative
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Submission concerning change of applicant's representative
Feb 25, 2021
Advice of delivery
Feb 15, 2021
(Electronic) Receipt
Feb 15, 2021
Acknowledgement of a document
Feb 15, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 15, 2021
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 15, 2021
F3345 Forwarding of submissions to parties
Feb 15, 2021
F3345 Forwarding of submissions to parties
Feb 15, 2021
Letter accompanying subsequently filed items
Feb 12, 2021
F3014 Oral Proceedings: Order cancelling/postponing
Feb 2, 2021
(Electronic) Receipt
Feb 2, 2021
Annexes (other than cited documents) regarding appeal procedure
Feb 2, 2021
Letter accompanying subsequently filed items
Feb 2, 2021
Oral proceedings: Request for postponement
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Letter accompanying subsequently filed items
Jan 25, 2021
Oral proceedings: Request for postponement
Jun 19, 2020
F3345 Forwarding of submissions to parties
Jun 9, 2020
Advice of delivery
May 27, 2020
(Electronic) Receipt
May 27, 2020
Advice of delivery
May 27, 2020
Citation in appeal procedure - 108
May 27, 2020
Letter accompanying subsequently filed items
May 27, 2020
Letter dealing with oral proceedings during the appeal procedure
May 25, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
May 25, 2020
F3017 Oral Proceedings: Notification of cancellation/postponing
May 19, 2020
F3014 Oral Proceedings: Order cancelling/postponing
May 7, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 7, 2020
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
May 7, 2020
F3345 Forwarding of submissions to parties
Apr 30, 2020
(Electronic) Receipt
Apr 30, 2020
F3345 Forwarding of submissions to parties
Apr 30, 2020
Letter accompanying subsequently filed items
Apr 30, 2020
Letter dealing with oral proceedings during the appeal procedure
Apr 27, 2020
(Electronic) Receipt
Apr 27, 2020
Letter accompanying subsequently filed items
Apr 27, 2020
Oral proceedings: Request for postponement
Apr 24, 2020
Advice of delivery
Apr 24, 2020
Advice of delivery
Apr 9, 2020
Advice of delivery
Apr 7, 2020
F3011.1 Oral Proceedings: summons
Apr 7, 2020
F3011.1 Oral Proceedings: summons
Apr 7, 2020
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Apr 2, 2020
F3010 Oral proceedings: order for summons
Jul 27, 2018
F3345 Forwarding of submissions to parties
Jul 24, 2018
(Electronic) Receipt
Jul 24, 2018
Annexes (other than cited documents) regarding appeal procedure
Jul 24, 2018
Citation in appeal procedure - 094
Jul 24, 2018
Citation in appeal procedure - 107
Jul 24, 2018
Letter accompanying subsequently filed items
Jul 24, 2018
Letter relating to Appeal Procedure
Mar 15, 2018
F3345 Forwarding of submissions to parties
Mar 5, 2018
(Electronic) Receipt
Mar 5, 2018
Annexes (other than cited documents) regarding appeal procedure
Mar 5, 2018
Citation in appeal procedure - 105
Mar 5, 2018
Citation in appeal procedure - 106
Mar 5, 2018
Letter relating to Appeal Procedure
Mar 5, 2018
Letter relating to Appeal Procedure
Oct 20, 2017
F3345 Forwarding of submissions to parties
Oct 9, 2017
(Electronic) Receipt
Oct 9, 2017
Annexes (other than cited documents) regarding appeal procedure
Oct 9, 2017
Citation in appeal procedure - 097
Oct 9, 2017
Citation in appeal procedure - 103
Oct 9, 2017
Citation in appeal procedure - 104
Oct 9, 2017
Letter accompanying subsequently filed items
Oct 9, 2017
Reply to appeal
Sep 7, 2017
Composition of the board (T)
May 31, 2017
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
May 23, 2017
(Electronic) Receipt
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Amended claims with annotations
May 23, 2017
Annexes (other than cited documents) regarding appeal procedure
May 23, 2017
Annexes (other than cited documents) regarding appeal procedure
May 23, 2017
Annexes (other than cited documents) regarding appeal procedure
May 23, 2017
Annexes (other than cited documents) regarding appeal procedure
May 23, 2017
Auxiliary request during appeals procedure - 07
May 23, 2017
Auxiliary request during appeals procedure - 08
May 23, 2017
Auxiliary request during appeals procedure - 09
May 23, 2017
Auxiliary request during appeals procedure - 10
May 23, 2017
Auxiliary request during appeals procedure - 11
May 23, 2017
Auxiliary request during appeals procedure - 12
May 23, 2017
Auxiliary request during appeals procedure - 13
May 23, 2017
Auxiliary request during appeals procedure - 14
May 23, 2017
Auxiliary request during appeals procedure - 15
May 23, 2017
Auxiliary request during appeals procedure - 16
May 23, 2017
Auxiliary request during appeals procedure - 17
May 23, 2017
Auxiliary request during appeals procedure - 18
May 23, 2017
Auxiliary request during appeals procedure - 19
May 23, 2017
Auxiliary request during appeals procedure - 20
May 23, 2017
Auxiliary request during appeals procedure - 21
May 23, 2017
Auxiliary request during appeals procedure - 22
May 23, 2017
Citation in appeal procedure - 092
May 23, 2017
Citation in appeal procedure - 093
May 23, 2017
Citation in appeal procedure - 094
May 23, 2017
Citation in appeal procedure - 095
May 23, 2017
Citation in appeal procedure - 096
May 23, 2017
Citation in appeal procedure - 097
May 23, 2017
Citation in appeal procedure - 098
May 23, 2017
Citation in appeal procedure - 099
May 23, 2017
Citation in appeal procedure - 100
May 23, 2017
Citation in appeal procedure - 101
May 23, 2017
Citation in appeal procedure - 102
May 23, 2017
Statement of grounds of appeal
May 23, 2017
Statement of grounds of appeal
May 23, 2017
Statement of grounds of appeal
Jan 27, 2017
Advice of delivery
Jan 27, 2017
Advice of delivery
Jan 19, 2017
F3204 Communication of the file number to the parties
Jan 19, 2017
F3204 Communication of the file number to the parties
Jan 16, 2017
Advice of delivery
Jan 13, 2017
Acknowledgement of a document
Jan 13, 2017
Acknowledgement of a document
Jan 13, 2017
Annex to the communication - opposition
Jan 13, 2017
Decision of the Opposition Division and instruction
Jan 13, 2017
Decision revoking the European patent
Jan 13, 2017
Grounds for the decision (Annex) - opposition
Jan 13, 2017
Internal form - Opposition/addressees
Jan 13, 2017
Internal form - Opposition/addressees
Jan 13, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 13, 2017
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 13, 2017
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 13, 2017
Provision of a copy of the minutes - opposition procedure
Jan 13, 2017
Scanned annex to a communication - opposition procedure
Jan 13, 2017
Scanned annex to a communication - opposition procedure
Jan 10, 2017
Processing of an appeal
Dec 9, 2016
(Electronic) Receipt
Dec 9, 2016
Letter accompanying subsequently filed items
Dec 9, 2016
Notice of appeal
Dec 8, 2016
Information about the result of oral proceedings
Oct 26, 2016
Brief communication - Opposition proceedings
Oct 20, 2016
(Electronic) Receipt
Oct 20, 2016
Letter accompanying subsequently filed items
Oct 20, 2016
Request for interpreters during oral proceedings
Oct 14, 2016
Brief communication - Opposition proceedings
Oct 13, 2016
Brief communication - Opposition proceedings
Oct 13, 2016
Brief communication - Opposition proceedings
Oct 11, 2016
Brief communication - Opposition proceedings
Oct 11, 2016
Brief communication - Opposition proceedings
Oct 7, 2016
(Electronic) Receipt
Oct 7, 2016
(Electronic) Receipt
Oct 7, 2016
Amended claims with annotations
Oct 7, 2016
Amended claims with annotations
Oct 7, 2016
Any annexes (other than citation) to an opposition letter
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Citation in opposition procedure
Oct 7, 2016
Claims
Oct 7, 2016
Claims
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Non-patent literature cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Patent document cited during the opposition procedure
Oct 7, 2016
Written submission in preparation to/during oral proceedings
Oct 7, 2016
Written submission in preparation to/during oral proceedings
Oct 6, 2016
(Electronic) Receipt
Oct 6, 2016
Written submission in preparation to/during oral proceedings
Sep 29, 2016
(Electronic) Receipt
Sep 29, 2016
Letter accompanying subsequently filed items
Sep 29, 2016
Written submission in preparation to/during oral proceedings
Sep 14, 2016
Brief communication - Opposition proceedings
Sep 7, 2016
(Electronic) Receipt
Sep 7, 2016
Any annexes (other than citation) to an opposition letter
Sep 7, 2016
Citation in opposition procedure
Sep 7, 2016
Letter accompanying subsequently filed items
Sep 7, 2016
Non-patent literature cited during the opposition procedure
Sep 7, 2016
Non-patent literature cited during the opposition procedure
Sep 7, 2016
Written submission in preparation to/during oral proceedings
Aug 18, 2016
Brief communication - Opposition proceedings
Aug 9, 2016
(Electronic) Receipt
Aug 9, 2016
Any annexes (other than citation) to an opposition letter
Aug 9, 2016
Citation in opposition procedure
Aug 9, 2016
Citation in opposition procedure
Aug 9, 2016
Citation in opposition procedure
Aug 9, 2016
Citation in opposition procedure
Aug 9, 2016
Letter regarding the opposition procedure (no time limit)
Aug 9, 2016
Written submission in preparation to/during oral proceedings
Jun 20, 2016
Brief communication - Opposition proceedings
Jun 14, 2016
(Electronic) Receipt
Jun 14, 2016
Letter accompanying subsequently filed items
Jun 14, 2016
Written submission in preparation to/during oral proceedings
May 30, 2016
Brief communication - Opposition proceedings
May 23, 2016
(Electronic) Receipt
May 23, 2016
Advice of delivery
May 23, 2016
Advice of delivery
May 23, 2016
Any annexes (other than citation) to an opposition letter
May 23, 2016
Citation in opposition procedure
May 23, 2016
Citation in opposition procedure
May 23, 2016
Letter accompanying subsequently filed items
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Non-patent literature cited during the opposition procedure
May 23, 2016
Written submission in preparation to/during oral proceedings
May 12, 2016
Advice of delivery
May 12, 2016
Advice of delivery
May 11, 2016
Acknowledgement of a document
May 11, 2016
Acknowledgement of a document
May 11, 2016
Annex to the communication - opposition
May 11, 2016
Summons to attend oral proceedings
May 11, 2016
Summons to attend oral proceedings
Apr 22, 2016
Preparation for oral proceedings
Jan 11, 2016
Brief communication - Opposition proceedings
Jan 4, 2016
(Electronic) Receipt
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Auxiliary request during Opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Citation in opposition procedure
Jan 4, 2016
Letter accompanying subsequently filed items
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Non-patent literature cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Patent document cited during the opposition procedure
Jan 4, 2016
Reply of the patent proprietor to the notice(s) of opposition
Jan 4, 2016
Reply of the patent proprietor to the notice(s) of opposition
Nov 9, 2015
Brief communication - Opposition proceedings
Nov 9, 2015
Grant of extension of time limit (opposition procedure)
Nov 3, 2015
(Electronic) Receipt
Nov 3, 2015
Letter accompanying subsequently filed items
Nov 3, 2015
Request for extension of time limit
Jun 24, 2015
Communication of a notice of opposition and request to file observations
Jun 24, 2015
Notice of further oppositions to opponent(s)
Jun 8, 2015
Communication of a notice of opposition - first information to patent proprietor
May 20, 2015
(Electronic) Receipt
May 20, 2015
Any annexes (other than citation) to an opposition letter
May 20, 2015
Any annexes (other than citation) to an opposition letter
May 20, 2015
Any annexes (other than citation) to an opposition letter
May 20, 2015
Any annexes (other than citation) to an opposition letter
May 20, 2015
Citation in opposition procedure
May 20, 2015
Citation in opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Non-patent literature cited during the opposition procedure
May 20, 2015
Notice of opposition
May 20, 2015
Notice of opposition
May 20, 2015
Patent document cited during the opposition procedure
May 20, 2015
Patent document cited during the opposition procedure
Aug 20, 2014
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 24, 2014
Decision to grant a European patent
Jul 2, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 2, 2014
(Electronic) Receipt
May 2, 2014
General enquiry
May 2, 2014
Letter accompanying subsequently filed items
Mar 24, 2014
Acknowledgement of receipt of third party observations
Mar 24, 2014
Transmittal of third party observations to applicant
Mar 19, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 18, 2014
(Electronic) Receipt
Mar 18, 2014
Letter accompanying subsequently filed items
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Non-patent literature filed by a third party
Mar 18, 2014
Observations by third parties
Mar 12, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Feb 21, 2014
Transmittal of third party observations to applicant
Feb 18, 2014
Observations by third parties
Feb 6, 2014
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jan 20, 2014
Transmittal of third party observations to applicant
Jan 14, 2014
Citation filed by a third party
Jan 14, 2014
Observations by third parties
Jan 14, 2014
Request for printed patent specification received too late
Jan 8, 2014
(Electronic) Receipt
Jan 8, 2014
Filing of the translations of the claims
Jan 8, 2014
French translation of claims
Jan 8, 2014
German translation of the claims
Jan 8, 2014
Letter accompanying subsequently filed items
Jan 7, 2014
Bibliographic data of the European patent application
Jan 7, 2014
Communication about intention to grant a European patent
Jan 7, 2014
Intention to grant (signatures)
Jan 7, 2014
Text intended for grant
Dec 13, 2013
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Dec 13, 2013
Result of consultation by telephone/in person
Dec 11, 2013
(Electronic) Receipt
Dec 11, 2013
Bibliographic data of the European patent application
Dec 11, 2013
Claims
Dec 11, 2013
Communication about intention to grant a European patent
Dec 11, 2013
Intention to grant (signatures)
Dec 11, 2013
Letter accompanying subsequently filed items
Dec 11, 2013
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Dec 11, 2013
Text intended for grant
Dec 4, 2013
Annex to the communication
Dec 4, 2013
Consultation by telephone/in person
Dec 4, 2013
Result of consultation by telephone/in person
Nov 28, 2013
Findings upon submissions relating to oral proceedings
Nov 22, 2013
(Electronic) Receipt
Nov 22, 2013
Annex
Nov 22, 2013
Letter accompanying subsequently filed items
Nov 22, 2013
Written submission in preparation to/during oral proceedings
Nov 13, 2013
Findings upon submissions relating to oral proceedings
Nov 12, 2013
(Electronic) Receipt
Nov 12, 2013
Amended description with annotations
Nov 12, 2013
Annex
Nov 12, 2013
Annex
Nov 12, 2013
Claims
Nov 12, 2013
Claims
Nov 12, 2013
Claims
Nov 12, 2013
Letter accompanying subsequently filed items
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Non-patent literature cited during the examination procedure
Nov 12, 2013
Written submission in preparation to/during oral proceedings
Jul 31, 2013
Advice of delivery
Jul 31, 2013
Advice of delivery
Jul 16, 2013
Acknowledgement of a document
Jul 16, 2013
Annex to the communication
Jul 16, 2013
Summons to attend oral proceedings
Jul 10, 2013
Preparation for oral proceedings
Jun 28, 2013
(Electronic) Receipt
Jun 28, 2013
General enquiry
Jun 28, 2013
Letter accompanying subsequently filed items
Jun 26, 2013
CDS Clean up - amended data concerning the representative for the applicant
Jun 6, 2013
Submission concerning representation
Apr 8, 2013
(Electronic) Receipt
Apr 8, 2013
Amended claims with annotations
Apr 8, 2013
Amended description with annotations
Apr 8, 2013
Annex
Apr 8, 2013
Claims
Apr 8, 2013
Grant of extension of time limit (examination procedure)
Apr 8, 2013
Letter accompanying subsequently filed items
Apr 8, 2013
Reply to communication from the Examining Division
Mar 28, 2013
(Electronic) Receipt
Mar 28, 2013
Letter accompanying subsequently filed items
Mar 28, 2013
Request for extension of time limit to communication from the Examining Division
Nov 20, 2012
Annex to the communication
Nov 20, 2012
Communication from the Examining Division
Nov 15, 2012
Brief notification setting aside the communication about the intention to grant
Oct 30, 2012
Processing of request for correction of text proposed for grant or third party observations
Oct 18, 2012
General enquiry
Sep 17, 2012
Transmittal of third party observations to applicant
Sep 6, 2012
Observations by third parties
Jul 30, 2012
Filing of the translations of the claims
Jul 30, 2012
French translation of claims
Jul 30, 2012
German translation of the claims
Jul 27, 2012
Filing of the translations of the claims
Jul 27, 2012
French translation of claims
Jul 27, 2012
German translation of the claims
Jul 4, 2012
Transmittal of third party observations to applicant
Jun 29, 2012
Non-patent literature filed by a third party
Jun 29, 2012
Observations by third parties
Jun 29, 2012
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 27, 2012
Bibliographic data of the European patent application
Mar 27, 2012
Communication about intention to grant a European patent
Mar 27, 2012
Intention to grant (signatures)
Mar 27, 2012
Text intended for grant
Oct 19, 2011
Claims
Oct 19, 2011
Description
Oct 19, 2011
Reply to communication from the Examining Division
Oct 17, 2011
Claims
Oct 17, 2011
Description
Oct 17, 2011
Reply to communication from the Examining Division
Aug 26, 2011
Grant of extension of time limit (examination procedure)
Aug 24, 2011
Request for extension of time limit to communication from the Examining Division
Aug 22, 2011
Request for extension of time limit to communication from the Examining Division
Aug 3, 2011
Notice drawing attention to the payment of the renewal fee and additional fee
Apr 13, 2011
Annex to the communication
Apr 13, 2011
Communication from the Examining Division
Apr 4, 2011
Communication of the registration of a transfer or change of name and/or address
Mar 28, 2011
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Mar 8, 2011
Claims
Mar 8, 2011
Claims
Mar 8, 2011
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Mar 8, 2011
Non-patent literature cited during the examination procedure
Mar 8, 2011
Reply to communication from the Examining Division
Mar 4, 2011
Amended claims with annotations
Mar 4, 2011
Claims
Mar 4, 2011
Non-patent literature cited during the examination procedure
Mar 4, 2011
Non-patent literature cited during the examination procedure
Mar 4, 2011
Reply to communication from the Examining Division
Jan 12, 2011
Grant of extension of time limit (examination procedure)
Jan 11, 2011
Request for extension of time limit to communication from the Examining Division
Jan 6, 2011
Request for extension of time limit to communication from the Examining Division
Aug 27, 2010
Annex to the communication
Aug 27, 2010
Communication from the Examining Division
Jul 9, 2010
Enquiry as to when a communication from the Examining Division can be expected
Jul 5, 2010
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Jun 30, 2010
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Feb 19, 2009
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Feb 10, 2009
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Feb 10, 2009
Reply to communication from the Examining Division
Feb 6, 2009
Claims
Feb 6, 2009
Request for further processing
Nov 26, 2008
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Oct 7, 2008
CDS Clean up - amended data concerning the representative for the applicant
Sep 26, 2008
Grant of extension of time limit (examination procedure)
Sep 25, 2008
Request for extension of time limit to communication from the Examining Division
Sep 22, 2008
Request for extension of time limit to communication from the Examining Division
Jul 18, 2008
Grant of extension of time limit (examination procedure)
Jul 16, 2008
Request for extension of time limit to communication from the Examining Division
Jul 14, 2008
Request for extension of time limit to communication from the Examining Division
Mar 10, 2008
Annex to the communication
Mar 10, 2008
Communication from the Examining Division
Feb 8, 2008
Enquiry as to when a communication from the Examining Division can be expected
Apr 26, 2006
Refund of fees
Feb 9, 2006
Letter which had not been notified
Feb 1, 2006
Notification on forthcoming publication of bibliographic data
Jan 31, 2006
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Dec 23, 2005
Matter concerning the application
Dec 23, 2005
Request for entry into the European phase
Oct 21, 2005
Information on entry into European phase
Jan 3, 2005
Priority document (electronically transmitted)
Jan 3, 2005
Priority document (electronically transmitted)
Jan 3, 2005
Priority document (electronically transmitted)
Jan 3, 2005
Priority document (electronically transmitted)
Jan 3, 2005
Priority document (electronically transmitted)
Dec 16, 2004
Copy of the international search report
Dec 16, 2004
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Sep 2, 2004
Notification relating to priority claim
Jul 21, 2004
Abstract
Jul 21, 2004
Claims
Jul 21, 2004
Description
Jul 21, 2004
Drawings
Jul 21, 2004
Submission concerning representation

EP1633333

FIBROGEN, INC.

Application Number: EP04754383A
Filing Date: Jun 4, 2004
Status: Revoked; Jan 9, 2026
Publication Date: Aug 20, 2014
External Links: Slate, Register , Google Patents

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Use Of Hif Alpha Stabilizers For Enhancing Erythropoiesis

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EP1633333