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IP Verse

Surface-Modified Calcium Oxide - EP2920248

The patent EP2920248 was granted to Kalkfabrik Netstal on Nov 7, 2018. The application was filed on Oct 18, 2013 under application number EP13783229A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2920248

KALKFABRIK NETSTAL
Application Number
EP13783229A
Filing Date
Oct 18, 2013
Status
Granted And Under Opposition
Oct 5, 2018
Publication Date
Nov 7, 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
SCHAEFER KALKJul 25, 2019MAI BESIERWITHDRAWN

Patent Citations (17) New

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

Citation PhasePublication Number
DESCRIPTIONCH640201
DESCRIPTIONWO2005100246
DESCRIPTIONWO2007092006
DESCRIPTIONWO9403536
DESCRIPTIONWO9515293
INTERNATIONAL-SEARCH-REPORTWO9403536
OPPOSITIONDE102006015774
OPPOSITIONEP0340313
OPPOSITIONJPS58180225
OPPOSITIONUS2002004099
OPPOSITIONUS2011182995
OPPOSITIONUS3138563
OPPOSITIONUS3951849
OPPOSITIONUS7754642
OPPOSITIONWO2007038128
OPPOSITIONWO2013182917
OPPOSITIONWO9403536

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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