Microporous Zirconium Silicate For The Treatment Of Hyperkalemia

Patent No. EP2673237 (titled "Microporous Zirconium Silicate For The Treatment Of Hyperkalemia") was filed by ZS Pharma on Feb 10, 2012. The application was issued on Oct 1, 2025.

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
GALENICUM HEALTH SLU	Aug 6, 2019	GALENICUM HEALTH SLU
SANDOZ	Aug 6, 2019	TER MEER STEINMEISTER & PARTNER
TEVA PHARMACEUTICALS	Aug 5, 2019	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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Sep 4, 2025
Decision to maintain the European patent in amended form
Sep 4, 2025
Decision to maintain the European patent in amended form
Sep 4, 2025
Decision to maintain the European patent in amended form
Sep 4, 2025
Decision to maintain the European patent in amended form
Aug 27, 2025
(Electronic) Receipt
Aug 27, 2025
Filing of the translation of the amended claims
Aug 27, 2025
French translation of claims
Aug 27, 2025
German translation of the claims
Aug 27, 2025
Letter accompanying subsequently filed items
Jul 24, 2025
Communication of bibliographic data
Jul 24, 2025
Communication to opponent concerning maintenance
Jul 24, 2025
Communication to opponent concerning maintenance
Jul 24, 2025
Communication to opponent concerning maintenance
Jul 24, 2025
Communication with request to file translations
Jul 18, 2025
Maintenance of the patent with the documents specified in the final decision
Jul 11, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 9, 2025
Decision of the Opposition Division and instruction
Apr 7, 2025
Brief communication - Opposition proceedings
Apr 7, 2025
Brief communication - Opposition proceedings
Apr 7, 2025
Brief communication - Opposition proceedings
Apr 7, 2025
Brief communication - Opposition proceedings
Apr 7, 2025
Druckexemplar in opposition procedure
Apr 7, 2025
Grounds for the decision (Annex) - opposition
Apr 7, 2025
Interlocutory decision in opposition proceedings
Apr 7, 2025
Interlocutory decision in opposition proceedings
Apr 7, 2025
Interlocutory decision in opposition proceedings
Apr 7, 2025
Interlocutory decision in opposition proceedings
Apr 7, 2025
Means of redress
Apr 7, 2025
Scanned annex to a communication - opposition procedure
Jan 29, 2025
Brief communication - Opposition proceedings
Jan 29, 2025
Brief communication - Opposition proceedings
Jan 29, 2025
Brief communication - Opposition proceedings
Jan 29, 2025
Communication of amended entries
Jan 22, 2025
Request for a change of address - opponent
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Brief communication - Opposition proceedings
Nov 4, 2024
Communication inviting the parties to file observations
Nov 4, 2024
Communication inviting the parties to file observations
Nov 4, 2024
Communication inviting the parties to file observations
Nov 4, 2024
Communication inviting the parties to file observations
Aug 9, 2024
Brief communication - Opposition proceedings
Aug 9, 2024
Brief communication - Opposition proceedings
Aug 9, 2024
Brief communication - Opposition proceedings
Aug 1, 2024
(Electronic) Receipt
Aug 1, 2024
Amended description with annotations
Aug 1, 2024
Description
Aug 1, 2024
Letter accompanying subsequently filed items
Aug 1, 2024
Reply to an examination report in opposition proceedings
Jul 23, 2024
Annex to the communication - opposition
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Brief communication - Opposition proceedings
Jul 23, 2024
Communication inviting the parties to file observations
Jul 23, 2024
Communication inviting the parties to file observations
Jul 23, 2024
Communication inviting the parties to file observations
Jul 23, 2024
Communication inviting the parties to file observations
Jun 20, 2024
Decision of the Board of Appeal
Jun 20, 2024
F3032 Notification(s) of the decision
Apr 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2024
F3013 Oral Proceedings: Forwarding minutes
Apr 11, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 7, 2024
F3345 Forwarding of submissions to parties
Mar 7, 2024
F3345 Forwarding of submissions to parties
Mar 7, 2024
F3345 Forwarding of submissions to parties
Mar 6, 2024
(Electronic) Receipt
Mar 6, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 6, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 6, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 6, 2024
F3018 Oral proceedings: Confirmation interpreters
Mar 6, 2024
Letter accompanying subsequently filed items
Mar 6, 2024
Letter dealing with oral proceedings during the appeal procedure
Mar 4, 2024
F3345 Forwarding of submissions to parties
Mar 4, 2024
F3345 Forwarding of submissions to parties
Mar 4, 2024
F3345 Forwarding of submissions to parties
Feb 29, 2024
(Electronic) Receipt
Feb 29, 2024
Letter accompanying subsequently filed items
Feb 29, 2024
Request for interpreters during oral proceedings
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 30, 2024
F3345 Forwarding of submissions to parties
Jan 30, 2024
F3345 Forwarding of submissions to parties
Jan 30, 2024
F3345 Forwarding of submissions to parties
Jan 25, 2024
(Electronic) Receipt
Jan 25, 2024
Letter accompanying subsequently filed items
Jan 25, 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
Jul 6, 2023
F3345 Forwarding of submissions to parties
Jul 6, 2023
F3345 Forwarding of submissions to parties
Jul 6, 2023
F3345 Forwarding of submissions to parties
Jul 4, 2023
Advice of delivery
Jul 4, 2023
Advice of delivery
Jul 3, 2023
(Electronic) Receipt
Jul 3, 2023
Letter accompanying subsequently filed items
Jul 3, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 30, 2023
F3345 Forwarding of submissions to parties
Jun 30, 2023
F3345 Forwarding of submissions to parties
Jun 30, 2023
F3345 Forwarding of submissions to parties
Jun 28, 2023
F3022 Oral proceedings: change of board composition
Jun 28, 2023
F3022 Oral proceedings: change of board composition
Jun 28, 2023
F3022 Oral proceedings: change of board composition
Jun 28, 2023
F3022 Oral proceedings: change of board composition
Jun 27, 2023
(Electronic) Receipt
Jun 27, 2023
Letter accompanying subsequently filed items
Jun 27, 2023
Letter dealing with oral proceedings during the appeal procedure
Jun 24, 2023
F3303.16 Change of composition of the Board (T)
Jun 21, 2023
F3011.2 Oral Proceedings: Summons VICO
Jun 21, 2023
F3011.2 Oral Proceedings: Summons VICO
Jun 21, 2023
F3011.2 Oral Proceedings: Summons VICO
Jun 21, 2023
F3011.2 Oral Proceedings: Summons VICO
Jun 17, 2023
F3010 Oral proceedings: order for summons
Jun 17, 2023
F3303.16 Change of composition of the Board (T)
Apr 12, 2022
Request for a change of address - opponent
Jan 26, 2022
(Electronic) Receipt
Jan 26, 2022
Amended claims with annotations
Jan 26, 2022
Citation in appeal procedure - 033
Jan 26, 2022
Claims
Jan 26, 2022
Letter accompanying subsequently filed items
Jan 26, 2022
Letter relating to Appeal Procedure
Jan 26, 2022
Reply to appeal
Oct 20, 2021
Communication of amended entries in the Register of European Patents
Oct 20, 2021
Communication of amended entries in the Register of European Patents
Oct 20, 2021
Communication of amended entries in the Register of European Patents
Oct 20, 2021
Communication of amended entries in the Register of European Patents
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Request for a change of address - opponent
Oct 8, 2021
Request for a change of address - opponent
Sep 22, 2021
Composition of the board (T)
Sep 16, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 16, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 16, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 13, 2021
Consolidated list of documents cited in appeal procedure
Sep 10, 2021
(Electronic) Receipt
Sep 10, 2021
Citation in appeal procedure - 031
Sep 10, 2021
Citation in appeal procedure - 032
Sep 10, 2021
Letter accompanying subsequently filed items
Sep 10, 2021
Statement of grounds of appeal
Jul 14, 2021
F3204 Communication of the file number to the parties
Jul 14, 2021
F3204 Communication of the file number to the parties
Jul 14, 2021
F3204 Communication of the file number to the parties
Jul 14, 2021
F3204 Communication of the file number to the parties
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Letter accompanying subsequently filed items
Jul 1, 2021
Notice of appeal
May 20, 2021
Advice of delivery
May 19, 2021
(Electronic) Receipt
May 19, 2021
Advice of delivery
May 19, 2021
Letter accompanying subsequently filed items
May 17, 2021
Advice of delivery
May 17, 2021
Advice of delivery
May 10, 2021
Annex to the communication - opposition
May 10, 2021
Decision of the Opposition Division and instruction
May 10, 2021
Decision rejecting the opposition
May 10, 2021
Grounds for the decision (Annex) - opposition
May 10, 2021
Internal form - Opposition/addressees
May 10, 2021
Internal form - Opposition/addressees
May 10, 2021
Means of redress
May 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 10, 2021
Provision of a copy of the minutes - opposition procedure
May 10, 2021
Transmittal of decision / summons - opposition
May 10, 2021
Transmittal of decision / summons - opposition
May 10, 2021
Transmittal of decision / summons - opposition
May 10, 2021
Transmittal of decision / summons - opposition
Apr 16, 2021
Communication of amended entries
Apr 8, 2021
Document concerning representation
Mar 25, 2021
Information about the result of oral proceedings
Mar 22, 2021
(Electronic) Receipt
Mar 22, 2021
Letter accompanying subsequently filed items
Mar 22, 2021
Written submission in preparation to/during oral proceedings
Mar 11, 2021
Communication for party to proceedings/third party
Mar 11, 2021
Communication for party to proceedings/third party
Mar 11, 2021
Communication for party to proceedings/third party
Mar 8, 2021
Communication for party to proceedings/third party
Mar 8, 2021
Communication for party to proceedings/third party
Mar 8, 2021
Communication for party to proceedings/third party
Mar 5, 2021
(Electronic) Receipt
Mar 5, 2021
Citation in opposition procedure - 030
Mar 5, 2021
Consolidated list of cited opposition documents
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Written submission in preparation to/during oral proceedings
Mar 4, 2021
Communication of amended entries
Mar 2, 2021
(Electronic) Receipt
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure
Mar 2, 2021
Auxiliary request during Opposition procedure - 08
Mar 2, 2021
Auxiliary request during Opposition procedure - 09
Mar 2, 2021
Auxiliary request during Opposition procedure - 10
Mar 2, 2021
Auxiliary request during Opposition procedure - 11
Mar 2, 2021
Auxiliary request during Opposition procedure - 12
Mar 2, 2021
Auxiliary request during Opposition procedure - 13
Mar 2, 2021
Auxiliary request during Opposition procedure - 14
Mar 2, 2021
Auxiliary request during Opposition procedure - 15
Mar 2, 2021
Citation in opposition procedure - 027
Mar 2, 2021
Citation in opposition procedure - 028
Mar 2, 2021
Citation in opposition procedure - 029
Mar 2, 2021
Letter accompanying subsequently filed items
Mar 2, 2021
Written submission in preparation to/during oral proceedings
Mar 1, 2021
(Electronic) Receipt
Mar 1, 2021
Letter accompanying subsequently filed items
Feb 17, 2021
Request for a change of address - opponent
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 29, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
(Electronic) Receipt
Jan 25, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
Brief communication - Opposition proceedings
Jan 25, 2021
Request for interpreters during oral proceedings
Jan 22, 2021
(Electronic) Receipt
Jan 22, 2021
(Electronic) Receipt
Jan 22, 2021
Citation in opposition procedure - 025
Jan 22, 2021
Citation in opposition procedure - 026
Jan 22, 2021
Letter accompanying subsequently filed items
Jan 22, 2021
Letter accompanying subsequently filed items
Jan 22, 2021
Written submission in preparation to/during oral proceedings
Jan 22, 2021
Written submission in preparation to/during oral proceedings
Jan 21, 2021
(Electronic) Receipt
Jan 21, 2021
Citation in opposition procedure - 022
Jan 21, 2021
Citation in opposition procedure - 023
Jan 21, 2021
Citation in opposition procedure - 024
Jan 21, 2021
Letter accompanying subsequently filed items
Jan 21, 2021
Written submission in preparation to/during oral proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 22, 2020
Brief communication - Opposition proceedings
Dec 17, 2020
Communication of amended entries
Dec 11, 2020
Notification concerning the date of oral proceedings
Dec 11, 2020
Notification concerning the date of oral proceedings
Dec 11, 2020
Notification concerning the date of oral proceedings
Dec 11, 2020
Notification concerning the date of oral proceedings
Dec 9, 2020
Request for change of opponent's representative
Jul 7, 2020
Advice of delivery
Jul 2, 2020
Advice of delivery
Jul 1, 2020
(Electronic) Receipt
Jul 1, 2020
Advice of delivery
Jul 1, 2020
Letter accompanying subsequently filed items
Jun 30, 2020
Advice of delivery
Jun 26, 2020
Acknowledgement of a document
Jun 26, 2020
Acknowledgement of a document
Jun 26, 2020
Acknowledgement of a document
Jun 26, 2020
Acknowledgement of a document
Jun 26, 2020
Annex to the communication - opposition
Jun 26, 2020
Information concerning oral proceedings
Jun 26, 2020
Summons to attend oral proceedings
Jun 26, 2020
Summons to attend oral proceedings
Jun 26, 2020
Summons to attend oral proceedings
Jun 26, 2020
Summons to attend oral proceedings
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 11, 2020
Brief communication - Opposition proceedings
Mar 5, 2020
(Electronic) Receipt
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure
Mar 5, 2020
Auxiliary request during Opposition procedure - 01
Mar 5, 2020
Auxiliary request during Opposition procedure - 02
Mar 5, 2020
Auxiliary request during Opposition procedure - 03
Mar 5, 2020
Auxiliary request during Opposition procedure - 04
Mar 5, 2020
Auxiliary request during Opposition procedure - 05
Mar 5, 2020
Auxiliary request during Opposition procedure - 06
Mar 5, 2020
Auxiliary request during Opposition procedure - 07
Mar 5, 2020
Citation in opposition procedure - 019
Mar 5, 2020
Citation in opposition procedure - 020
Mar 5, 2020
Citation in opposition procedure - 021
Mar 5, 2020
Letter accompanying subsequently filed items
Mar 5, 2020
Reply of the patent proprietor to the notice(s) of opposition
Mar 5, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 4, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
Brief communication - Opposition proceedings
Dec 4, 2019
Grant of extension of time limit (opposition procedure)
Nov 20, 2019
(Electronic) Receipt
Nov 20, 2019
Letter accompanying subsequently filed items
Nov 20, 2019
Request for extension of time limit
Nov 19, 2019
Brief communication - Opposition proceedings
Nov 19, 2019
Brief communication - Opposition proceedings
Nov 19, 2019
Brief communication - Opposition proceedings
Nov 19, 2019
Communication confirming withdrawal from representation
Nov 19, 2019
Communication of amended entries concerning the representative
Nov 14, 2019
(Electronic) Receipt
Nov 14, 2019
Letter accompanying subsequently filed items
Nov 14, 2019
Submission concerning change of proprietor's representative
Aug 26, 2019
Brief communication - Opposition proceedings
Aug 26, 2019
Brief communication - Opposition proceedings
Aug 26, 2019
Communication of a notice of opposition and request to file observations
Aug 26, 2019
Notice of further oppositions to opponent(s)
Aug 26, 2019
Notice of further oppositions to opponent(s)
Aug 26, 2019
Notice of further oppositions to opponent(s)
Aug 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 13, 2019
Communication of a notice of opposition - first information to patent proprietor
Aug 6, 2019
(Electronic) Receipt
Aug 6, 2019
(Electronic) Receipt
Aug 6, 2019
Citation in opposition procedure - 010
Aug 6, 2019
Citation in opposition procedure - 011
Aug 6, 2019
Citation in opposition procedure - 012
Aug 6, 2019
Citation in opposition procedure - 013
Aug 6, 2019
Citation in opposition procedure - 014
Aug 6, 2019
Citation in opposition procedure - 015
Aug 6, 2019
Citation in opposition procedure - 016
Aug 6, 2019
Citation in opposition procedure - 017
Aug 6, 2019
Citation in opposition procedure - 018
Aug 6, 2019
Non-patent literature cited during the opposition procedure
Aug 6, 2019
Non-patent literature cited during the opposition procedure
Aug 6, 2019
Notice of opposition
Aug 6, 2019
Notice of opposition
Aug 6, 2019
Notice of opposition
Aug 6, 2019
Notice of opposition
Aug 6, 2019
Patent document cited during the opposition procedure
Aug 6, 2019
Patent document cited during the opposition procedure
Aug 6, 2019
Patent document cited during the opposition procedure
Aug 6, 2019
Patent document cited during the opposition procedure
Aug 5, 2019
(Electronic) Receipt
Aug 5, 2019
Citation in opposition procedure - 001
Aug 5, 2019
Citation in opposition procedure - 002
Aug 5, 2019
Citation in opposition procedure - 003
Aug 5, 2019
Citation in opposition procedure - 004
Aug 5, 2019
Citation in opposition procedure - 005
Aug 5, 2019
Citation in opposition procedure - 006
Aug 5, 2019
Citation in opposition procedure - 007
Aug 5, 2019
Citation in opposition procedure - 008
Aug 5, 2019
Citation in opposition procedure - 009
Aug 5, 2019
Notice of opposition
Aug 5, 2019
Notice of opposition
Jun 24, 2019
Communication confirming withdrawal from representation
Jun 24, 2019
Communication of amended entries concerning the representative
May 29, 2019
(Electronic) Receipt
May 29, 2019
Submission concerning change of applicant's representative
Nov 19, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 11, 2018
Decision to grant a European patent
Oct 2, 2018
Bibliographic data of the European patent application
Oct 2, 2018
Information about intention to grant a patent
Oct 2, 2018
Intention to grant (signatures)
Oct 2, 2018
Text intended for grant (clean copy)
Oct 2, 2018
Text intended for grant (version for approval)
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Amended claims with annotations
Sep 7, 2018
Claims
Sep 7, 2018
French translation of claims
Sep 7, 2018
German translation of the claims
Sep 7, 2018
Letter accompanying subsequently filed items
Sep 7, 2018
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jul 31, 2018
Bibliographic data of the European patent application
Jul 31, 2018
Communication about intention to grant a European patent
Jul 31, 2018
Intention to grant (signatures)
Jul 31, 2018
Text intended for grant (clean copy)
Jul 31, 2018
Text intended for grant (version for approval)
May 11, 2018
(Electronic) Receipt
May 11, 2018
Amended claims with annotations
May 11, 2018
Amended description with annotations
May 11, 2018
Claims
May 11, 2018
Description
May 11, 2018
Letter accompanying subsequently filed items
May 11, 2018
Reply to communication from the Examining Division
Mar 14, 2018
Refund of fees
Feb 13, 2018
Annex to the communication
Feb 13, 2018
Communication from the Examining Division
Nov 16, 2017
(Electronic) Receipt
Nov 16, 2017
Amended claims with annotations
Nov 16, 2017
Amended description with annotations
Nov 16, 2017
Claims
Nov 16, 2017
Description
Nov 16, 2017
Letter accompanying subsequently filed items
Nov 16, 2017
Reply to communication from the Examining Division
Jul 11, 2017
Annex to the communication
Jul 11, 2017
Communication from the Examining Division
Jun 30, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Jun 9, 2017
(Electronic) Receipt
Jun 9, 2017
Filing of the translations of the claims
Jun 9, 2017
French translation of claims
Jun 9, 2017
German translation of the claims
Jun 9, 2017
Letter accompanying subsequently filed items
Apr 4, 2017
Acknowledgement of receipt of third party observations
Apr 4, 2017
Transmittal of third party observations to applicant
Mar 30, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
Mar 29, 2017
(Electronic) Receipt
Mar 29, 2017
Letter accompanying subsequently filed items
Mar 29, 2017
Non-patent literature filed by a third party
Mar 29, 2017
Non-patent literature filed by a third party
Mar 29, 2017
Non-patent literature filed by a third party
Mar 29, 2017
Non-patent literature filed by a third party
Mar 29, 2017
Observations by third parties
Feb 10, 2017
Bibliographic data of the European patent application
Feb 10, 2017
Communication about intention to grant a European patent
Feb 10, 2017
Intention to grant (signatures)
Feb 10, 2017
Text intended for grant (clean copy)
Feb 10, 2017
Text intended for grant (version for approval)
Oct 7, 2016
Amended claims with annotations
Oct 7, 2016
Annexes in respect of a client data request
Oct 7, 2016
Claims
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Reply to communication from the Examining Division
Jun 1, 2016
Annex to the communication
Jun 1, 2016
Communication from the Examining Division
Mar 21, 2016
(Electronic) Receipt
Mar 21, 2016
Amended claims with annotations
Mar 21, 2016
Amended description with annotations
Mar 21, 2016
Claims
Mar 21, 2016
Description
Mar 21, 2016
Letter accompanying subsequently filed items
Mar 21, 2016
Non-patent literature cited during the examination procedure
Mar 21, 2016
Reply to communication from the Examining Division
Nov 11, 2015
Annex to the communication
Nov 11, 2015
Communication from the Examining Division
Nov 5, 2015
Examination started
Jul 9, 2015
Communication of amended entries concerning the representative
Jul 2, 2015
Submission concerning change of applicant's representative
Jun 29, 2015
(Electronic) Receipt
Jun 29, 2015
Amended claims filed after receipt of (European) search report
Jun 29, 2015
Amended claims with annotations
Jun 29, 2015
Amendments received before examination
Jun 29, 2015
Letter accompanying subsequently filed items
Dec 19, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 3, 2014
Communication regarding the transmission of the European search report
Dec 3, 2014
European search opinion
Dec 3, 2014
Supplementary European search report
Nov 7, 2014
Search started
Oct 29, 2014
Annex
May 27, 2014
Communication of the registration of a transfer or change of name and/or address
Apr 10, 2014
(Electronic) Receipt
Apr 10, 2014
Submission concerning change of applicant's address
Nov 20, 2013
Notification on forthcoming publication of bibliographic data
Oct 7, 2013
Communication regarding possible amendment of the application/payment of claims fee
Oct 1, 2013
Communication to designated inventor
Oct 1, 2013
Communication to designated inventor
Sep 13, 2013
Copy of the international preliminary report on patentability
Sep 6, 2013
(Electronic) Receipt
Sep 6, 2013
Amended claims filed after receipt of (European) search report
Sep 6, 2013
Request for entry into the European phase
Jun 21, 2013
Information on entry into European phase
Apr 11, 2013
Copy of the international search report
Apr 11, 2013
Published international application - A9
Oct 18, 2012
Copy of the international search report
Oct 18, 2012
International publication of the international search report
Sep 5, 2012
Priority document (electronically transmitted)
Aug 16, 2012
Published international application - A2

EP2673237

ZS PHARMA

Application Number: EP12744254A
Filing Date: Feb 10, 2012
Status: Patent Maintained As Amended; Aug 29, 2025
Publication Date: Oct 1, 2025
External Links: Slate, Register , Google Patents

IP Verse

Microporous Zirconium Silicate For The Treatment Of Hyperkalemia

Patent Summary

Patent Family

Patent Oppositions (3)

Dossier Documents

EP2673237