The weekly litigation news digest is live. Subscribe now

Microporous Zirconium Silicate For The Treatment Of Hyperkalemia - EP2673237

The patent EP2673237 was granted to ZS Pharma on Oct 1, 2025. The application was originally filed on Feb 10, 2012 under application number EP12744254A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

GALENICUM HEALTH SLUAug 6, 2019GALENICUM HEALTH SLUADMISSIBLE
SANDOZAug 6, 2019TER MEER STEINMEISTER & PARTNERADMISSIBLE
TEVA PHARMACEUTICALSAug 5, 2019KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (24) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS5888472
DESCRIPTIONUS5891417
DESCRIPTIONUS6099737
DESCRIPTIONUS6332985
DESCRIPTIONUS6579460
DESCRIPTIONUS6814871
DESCRIPTIONWO02062356
INTERNATIONAL-SEARCH-REPORTUS2007202180
INTERNATIONAL-SEARCH-REPORTUS2010104527
INTERNATIONAL-SEARCH-REPORTUS6332985
INTERNATIONAL-SEARCH-REPORTUS6579460
INTERNATIONAL-SEARCH-REPORTUS6814871
OPPOSITIONUS5888472
OPPOSITIONUS6099737
OPPOSITIONUS6332985
OPPOSITIONUS6579460
OPPOSITIONWO02062356
OPPOSITIONWO2010022381
OPPOSITIONWO2010022383
OTHERUS6332985
OTHERWO02062356
SEARCHUS6099737
SEARCHUS6332985
SEARCHWO02062356

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