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IP Verse

Anti-Dll3 Antibody - EP3342786

The patent EP3342786 was granted to Chugai Seiyaku Kabushiki Kaisha on Jun 23, 2021. The application was filed on Jan 28, 2011 under application number EP18156974A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3342786

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP18156974A
Filing Date
Jan 28, 2011
Status
Granted And Under Opposition
May 21, 2021
Publication Date
Jun 23, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
BOEHRINGER INGELHEIMMar 22, 2022HOFFMANN EITLE -
GUDERMar 16, 2022UEXKULL & STOLBERGADMISSIBLE

Patent Citations (32) New

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

Citation PhasePublication Number
DESCRIPTIONEP0239400
DESCRIPTIONEP0404097
DESCRIPTIONJPS6459878
DESCRIPTIONWO0061739
DESCRIPTIONWO02079255
DESCRIPTIONWO0231140
DESCRIPTIONWO03104453
DESCRIPTIONWO2005017155
DESCRIPTIONWO2008093688
DESCRIPTIONWO9203918
DESCRIPTIONWO9311161
DESCRIPTIONWO9312227
DESCRIPTIONWO9402602
DESCRIPTIONWO9411523
DESCRIPTIONWO9425585
DESCRIPTIONWO9602576
DESCRIPTIONWO9954342
EXAMINATIONEP2817338
EXAMINATIONWO2004030615
EXAMINATIONWO2004053102
EXAMINATIONWO2007080597
EXAMINATIONWO2013126746
EXAMINATIONWO2015127407
OPPOSITIONUS2003180784
OPPOSITIONUS2005137130
OPPOSITIONUS2008220495
OPPOSITIONWO03025138
OPPOSITIONWO2007080597
OPPOSITIONWO2009124931
OPPOSITIONWO9845434
SEARCHWO2007111733
SEARCHWO2009124931

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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