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IP Verse

Heat Cost Allocator Device - EP3531095

The patent EP3531095 was granted to Iott IPR on Dec 23, 2020. The application was filed on Feb 27, 2019 under application number EP19159789A. The patent is currently recorded with a legal status of "Revoked".

EP3531095

IOTT IPR
Application Number
EP19159789A
Filing Date
Feb 27, 2019
Status
Revoked
Jan 3, 2025
Publication Date
Dec 23, 2020
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
ISTAJul 27, 2021COHAUSZ HANNIG BORKOWSKI WISSGOTTADMISSIBLE
TECHEM ENERGY SERVICESJul 20, 2021KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBBADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONEP1765027
OPPOSITIONCN107063379
OPPOSITIONCN206789036U
OPPOSITIONDE102008061087
OPPOSITIONDE102015001585
OPPOSITIONDE19738797
OPPOSITIONDE19821536
OPPOSITIONDE19954579
OPPOSITIONDE202011004344U
OPPOSITIONDE202015005283U
OPPOSITIONEP0619620
OPPOSITIONEP1647957
OPPOSITIONEP1648191
OPPOSITIONEP1712880
OPPOSITIONEP1765027
OPPOSITIONEP2072982
OPPOSITIONEP3602977
OPPOSITIONUS2017063566
OPPOSITIONUS2017234709
OPPOSITIONWO2018177745
SEARCHCN107063379
SEARCHCN206789036U
SEARCHDE102008061087
SEARCHDE19821536
SEARCHDE19954579
SEARCHDE202015005283U
SEARCHEP1765027

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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    Description

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