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IP Verse

Crystalline Forms Of A Prolyl Hydroxylase Inhibitor - EP3470397

The patent EP3470397 was granted to Fibrogen on Dec 29, 2021. The application was originally filed on Jul 15, 2013 under application number EP18189607A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3470397

FIBROGEN
Application Number
EP18189607A
Filing Date
Jul 15, 2013
Status
Granted And Under Opposition
Nov 26, 2021
Publication Date
Dec 29, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Crystalline forms of the drug compound [(4-hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carbonyl)-amino]-acetic acid (Compound A) for treating conditions associated with hypoxia, anemia, and ischemia. The disclosure provides specific crystal structures of Compound A and salts, as well as amorphous forms. These crystalline forms can be used to make pharmaceuticals for treating conditions like anemia, ischemia, and hypoxia disorders.

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

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GENERICS UKSep 29, 2022ELKINGTON AND FIFEADMISSIBLE
SANDOZSep 28, 2022TER MEER STEINMEISTER & PARTNERADMISSIBLE
TEVA PHARMACEUTICALSSep 28, 2022D YOUNGADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONUS2006276477
DESCRIPTIONUS2007004627
DESCRIPTIONUS2007259960
DESCRIPTIONUS4558006
DESCRIPTIONUS4667016
DESCRIPTIONUS7323475
DESCRIPTIONWO2005118836
OPPOSITIONEP1819607
OPPOSITIONEP2872488
OPPOSITIONUS2004254215
OPPOSITIONUS2012067219
OPPOSITIONUS2013068297
OPPOSITIONUS2013083256
OPPOSITIONWO2012097331
OPPOSITIONWO2013013609
OPPOSITIONWO2014014835
SEARCHUS2004254215
SEARCHWO2013013609

Dossier Documents

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    Description

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