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IP Verse

Plant And Process For Producing Nitric Acid - EP3515861

The patent EP3515861 was granted to Stamicarbon on Feb 17, 2021. The application was originally filed on Sep 19, 2017 under application number EP17781577A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3515861

STAMICARBON
Application Number
EP17781577A
Filing Date
Sep 19, 2017
Status
Granted And Under Opposition
Jan 15, 2021
Publication Date
Feb 17, 2021
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

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CASALENov 17, 2021M ZARDIADMISSIBLE
THYSSENKRUPP INDUSTRIAL SOLUTIONSNov 17, 2021GULDE & PARTNERADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONUS7393512
INTERNATIONAL-SEARCH-REPORTCA572124
INTERNATIONAL-SEARCH-REPORTDE102008027232
INTERNATIONAL-SEARCH-REPORTUS3897539
INTERNATIONAL-SEARCH-REPORTWO03070634
OPPOSITIONEP0301844
OPPOSITIONGB1278828
OPPOSITIONGB822825
OPPOSITIONUS2016039674
OPPOSITIONUS3425803
OPPOSITIONWO03070634

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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