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IP Verse

Overvoltage Protection Device, Based On Spark Gaps, Comprising At Least Two Main Electrodes Arranged In An Enclosed Housing - EP1542323

The patent EP1542323 was granted to Dehn Shne on Jan 10, 2018. The application was filed on Sep 15, 2004 under application number EP04021959A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP1542323

DEHN SHNE
Application Number
EP04021959A
Filing Date
Sep 15, 2004
Status
Granted And Under Opposition
Dec 8, 2017
Publication Date
Jan 10, 2018
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
PHOENIX CONTACTOct 10, 2018GESTHUYSEN PATENTANWALTEWITHDRAWN

Patent Citations (16) New

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

Citation PhasePublication Number
EXAMINATIONDE19952004
OPPOSITIONDE10146728
OPPOSITIONDE10212697
OPPOSITIONDE174502
OPPOSITIONDE1902214
OPPOSITIONDE19510181
OPPOSITIONDE19655119
OPPOSITIONDE19717802
OPPOSITIONDE19742302
OPPOSITIONDE19803636
OPPOSITIONDE19856939
OPPOSITIONDE19952004
OPPOSITIONDE4244051
OPPOSITIONDE4402625
OPPOSITIONEP0600222
SEARCHDE19803636

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.

  • Date

    Description

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