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Controlled Release Pharmaceutical Composition - EP2554168

The patent EP2554168 was granted to Astellas Pharma on Jan 24, 2018. The application was originally filed on Mar 28, 2011 under application number EP11762748A. The patent is currently recorded with a legal status of "Revoked".

EP2554168

ASTELLAS PHARMA
Application Number
EP11762748A
Filing Date
Mar 28, 2011
Status
Revoked
Jul 10, 2020
Publication Date
Jan 24, 2018
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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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ALFRED E TIEFENBACHEROct 24, 2018HAMM & WITTKOPP -
HEXALOct 24, 2018BEST -
LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBBOct 24, 2018KALHAMMER -
STADA ARZNEIMITTELOct 24, 2018KERNEBECK -

Patent Citations (69) New

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

Citation PhasePublication Number
DESCRIPTIONJP2005162736
DESCRIPTIONJP2005162737
DESCRIPTIONJP2832248B
DESCRIPTIONUS3133132
DESCRIPTIONUS3173876
DESCRIPTIONUS3276586
DESCRIPTIONUS3541005
DESCRIPTIONUS3541006
DESCRIPTIONUS3546142
DESCRIPTIONUS3845770
DESCRIPTIONUS3865108
DESCRIPTIONUS3916899
DESCRIPTIONUS3995631
DESCRIPTIONUS4002173
DESCRIPTIONUS4008719
DESCRIPTIONUS4077407
DESCRIPTIONUS4088864
DESCRIPTIONUS4111202
DESCRIPTIONUS4160020
DESCRIPTIONUS4207893
DESCRIPTIONUS4327725
DESCRIPTIONUS4519801
DESCRIPTIONUS4578075
DESCRIPTIONUS4681583
DESCRIPTIONUS4839177
DESCRIPTIONUS4994276
DESCRIPTIONUS5007790
DESCRIPTIONUS5019397
DESCRIPTIONUS5128143
DESCRIPTIONUS5135757
DESCRIPTIONUS5156850
DESCRIPTIONUS5422123
DESCRIPTIONUS5582837
DESCRIPTIONUS5780057
DESCRIPTIONUS5972389
DESCRIPTIONUS6149940
DESCRIPTIONUS6340475
DESCRIPTIONWO2004041276
DESCRIPTIONWO9316686
DESCRIPTIONWO9406414
DESCRIPTIONWO9920607
INTERNATIONAL-SEARCH-REPORTJP2005162736
INTERNATIONAL-SEARCH-REPORTJP2005162737
INTERNATIONAL-SEARCH-REPORTJP2008532953
INTERNATIONAL-SEARCH-REPORTWO2004041276
INTERNATIONAL-SEARCH-REPORTWO2008084698
INTERNATIONAL-SEARCH-REPORTWO2010038690
INTERNATIONAL-SEARCH-REPORTWO9406414
OPPOSITIONEP0661045
OPPOSITIONEP1205190
OPPOSITIONEP1529526
OPPOSITIONEP1559427
OPPOSITIONEP1568361
OPPOSITIONEP2119442
OPPOSITIONEP2345410
OPPOSITIONUS2005100602
OPPOSITIONUS2005287185
OPPOSITIONUS5681582
OPPOSITIONUS6368628
OPPOSITIONWO2009019599
OPPOSITIONWO2009052353
OPPOSITIONWO2010038690
OTHEREP1205190
OTHEREP1559427
OTHEREP2345410
OTHERWO2010038690
SEARCHEP1440969
SEARCHEP1559427
SEARCHUS6346532

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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