The weekly litigation news digest is live. Subscribe now

IP Verse

Process For Mesalazine Solid Formulations - EP3439637

The patent EP3439637 was granted to Alfasigma on Jul 30, 2025. The application was originally filed on Apr 4, 2017 under application number EP17726142A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3439637

ALFASIGMA
Application Number
EP17726142A
Filing Date
Apr 4, 2017
Status
Patent Maintained As Amended
Jun 27, 2025
Publication Date
Jul 30, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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

ELKINGTON AND FIFEFeb 22, 2023ELKINGTON AND FIFEADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP1004297
INTERNATIONAL-SEARCH-REPORTEP2468264
INTERNATIONAL-SEARCH-REPORTUS2003138495
INTERNATIONAL-SEARCH-REPORTUS6962717
INTERNATIONAL-SEARCH-REPORTWO2011045775
OPPOSITIONEP1004297
OPPOSITIONEP2468264
OPPOSITIONUS2003138495
OPPOSITIONUS2009017110
OPPOSITIONUS2009162434
OPPOSITIONUS2013225539
OPPOSITIONUS4539198
OPPOSITIONUS6773720
OPPOSITIONUS6962717
OPPOSITIONWO2011045775
OPPOSITIONWO2012028698
OPPOSITIONWO9823767

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