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Device For Degassing Polymer Melts - EP2943325

The patent EP2943325 was granted to Brckner Maschinenbau on Jul 10, 2019. The application was filed on Dec 5, 2013 under application number EP13811379A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2943325

BRCKNER MASCHINENBAU
Application Number
EP13811379A
Filing Date
Dec 5, 2013
Status
Opposition Rejected
Mar 14, 2025
Publication Date
Jul 10, 2019
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
BARATTI ENGINEERINGApr 8, 2020STRAUB -

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONDE4424779
DESCRIPTIONWO2009065384
INTERNATIONAL-SEARCH-REPORTDE19653613
INTERNATIONAL-SEARCH-REPORTJP2004098378
INTERNATIONAL-SEARCH-REPORTJP2005134079
INTERNATIONAL-SEARCH-REPORTJPH07328301
INTERNATIONAL-SEARCH-REPORTUS3933575
INTERNATIONAL-SEARCH-REPORTWO2008110834
OPPOSITIONDE19653613
OPPOSITIONDE4424779
OPPOSITIONJP2004098378
OPPOSITIONJP2005134079
OPPOSITIONJPH07328301
OPPOSITIONUS3933575
OPPOSITIONWO2008110834
OPPOSITIONWO2009065384

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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