The weekly litigation news digest is live. Subscribe now

IP Verse

Acesulfame Potassium Compositions And Processes For Producing Same - EP3317260

The patent EP3317260 was granted to Celanese on Jun 25, 2025. The application was filed on Sep 14, 2017 under application number EP17772249A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3317260

CELANESE
Application Number
EP17772249A
Filing Date
Sep 14, 2017
Status
Patent Maintained As Amended
May 23, 2025
Publication Date
Jun 25, 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
HAMMERJul 30, 2020GRUNECKER PATENTADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
DESCRIPTIONUS5744010
DESCRIPTIONUS9024016
INTERNATIONAL-SEARCH-REPORTCN101787001
INTERNATIONAL-SEARCH-REPORTDE3531357
INTERNATIONAL-SEARCH-REPORTEP0155634
INTERNATIONAL-SEARCH-REPORTEP0159516
INTERNATIONAL-SEARCH-REPORTEP0215347
INTERNATIONAL-SEARCH-REPORTEP0218076
INTERNATIONAL-SEARCH-REPORTWO2013182651
INTERNATIONAL-SEARCH-REPORTWO9319055
OPPOSITIONCN103130743
OPPOSITIONCN103613566
OPPOSITIONEP0215347
OPPOSITIONUS2005182255

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