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IP Verse

Dry Method To Obtain Coated Crystalline Silica With Reduced Toxicity

Patent No. EP3708539 (titled "Dry Method To Obtain Coated Crystalline Silica With Reduced Toxicity") was filed by Fraunhofer Gesellschaft ZUR Frderung DER Angewandten Forschung EV on Mar 11, 2019. The application was issued on Aug 9, 2023.

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 DateRepresentative
QUARZWERKEMay 10, 2024DOMPATENT VON KREISLER SELTING WERNER
QUARZWERKEMay 10, 2024DOMPATENT VON PATENT UND RECHTSANWALTEN

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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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