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IP Verse

Dry Method To Obtain Coated Crystalline Silica With Reduced Toxicity - EP3708539

The patent EP3708539 was granted to Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on Aug 9, 2023. The application was filed on Mar 11, 2019 under application number EP19382177A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3708539

FRAUNHOFER GESELLSCHAFT ZUR FRDERUNG DER ANGEWANDTEN FORSCHUNG EV
Application Number
EP19382177A
Filing Date
Mar 11, 2019
Status
Granted And Under Opposition
Jul 7, 2023
Publication Date
Aug 9, 2023
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
QUARZWERKEMay 10, 2024DOMPATENT VON KREISLER SELTING WERNERADMISSIBLE
QUARZWERKEMay 10, 2024DOMPATENT VON PATENT UND RECHTSANWALTENADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication Number
DESCRIPTIONUS5096733
OPPOSITIONDE2024443
OPPOSITIONDE2513608
OPPOSITIONEP3708539
SEARCHUS4015031
SEARCHWO2014110202

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.

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