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IP Verse

Filter With Sealing Compound And Filter Assembly With Such A Filter - EP3892352

The patent EP3892352 was granted to Carl Freudenberg on Aug 30, 2023. The application was filed on Apr 7, 2020 under application number EP20168346A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3892352

CARL FREUDENBERG
Application Number
EP20168346A
Filing Date
Apr 7, 2020
Status
Granted And Under Opposition
Jul 28, 2023
Publication Date
Aug 30, 2023
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
MANN HUMMELMay 31, 2024HKWADMISSIBLE
MANN HUMMELMay 31, 2024HORN KLEIMANN WAITZHOFER SCHMID DREYER PATENT UND RECHTSANWALTE PARTG MBBADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication Number
DESCRIPTIONEP3520878
DESCRIPTIONUS2005284116
SEARCHDE10321068
SEARCHDE20101237U
SEARCHDE202008007292U
SEARCHUS2002104299

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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