Composite Heat Insulation System

Patent No. EP3500536 (titled "Composite Heat Insulation System") was filed by Wacker Chemie on Aug 19, 2016. The application was issued on Dec 25, 2019.

Patent Summary

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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
DAWSep 25, 2020METTEN
CELANESESep 24, 2020CARPMAELS & RANSFORD

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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EP3500536

WACKER CHEMIE
Application Number
EP16757212A
Filing Date
Aug 19, 2016
Status
Revoked
Oct 8, 2025
Publication Date
Dec 25, 2019