Patent No. EP3524951 (titled "Heating Cost Distributor For Detecting The Amount Of Heat Output By A Radiator") was filed by Techem Energy Services on Jan 30, 2019. The application was issued on Mar 26, 2025.

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.
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