The weekly litigation news digest is live. Subscribe now

Electric Continuous-Flow Heaters - EP2489952

The patent EP2489952 was granted to Gerdes OHG on Nov 11, 2020. The application was originally filed on Feb 21, 2011 under application number EP11155220A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2489952

GERDES OHG
Application Number
EP11155220A
Filing Date
Feb 21, 2011
Status
Patent Maintained As Amended
Oct 9, 2020
Publication Date
Nov 11, 2020
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

Get instant alerts for new oppositions and patent status changes

STIEBEL ELTRONMar 7, 2018EISENFUHR SPEISER -

Patent Citations (11) New

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

Citation PhasePublication Number
OPPOSITIONDE10063851
OPPOSITIONDE10331650
OPPOSITIONDE10331651
OPPOSITIONDE10331652
OPPOSITIONDE1900242U
OPPOSITIONDE2355987
OPPOSITIONEP0899985
SEARCHDE202010006739U
SEARCHFR2803372
SEARCHUS5724478
SEARCHWO2006077172

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

  • Get instant alerts for new documents