Beta-Quartz Glass-Ceramics With High Zinc Content

Patent No. EP3634919 (titled "Beta-Quartz Glass-Ceramics With High Zinc Content") was filed by Eurokera on Jun 6, 2018. The application was issued on Apr 14, 2021.

Patent Summary

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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
SCHOTTJan 11, 2022FUCHS
SCHOTTJan 11, 2022FUCHS PATENTANWALTE PARTNERSCHAFT MBB

Dossier Documents

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EP3634919

EUROKERA
Application Number
EP18727847A
Filing Date
Jun 6, 2018
Status
Revoked
Sep 23, 2025
Publication Date
Apr 14, 2021