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Oil Borne Wood Preserving Composition For Treatment Of Poles, Posts, Piling, Cross-Ties And Other Wooded Structures - EP2482648

The patent EP2482648 was granted to Koppers Performance Chemicals on May 1, 2019. The application was originally filed on Sep 30, 2009 under application number EP09778781A. The patent is currently recorded with a legal status of "Revoked".

EP2482648

KOPPERS PERFORMANCE CHEMICALS
Application Number
EP09778781A
Filing Date
Sep 30, 2009
Status
Revoked
Jun 16, 2023
Publication Date
May 1, 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

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ARXADAJan 31, 2020GREINERADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
EXAMINATIONWO9302557
INTERNATIONAL-SEARCH-REPORTUS4001400
INTERNATIONAL-SEARCH-REPORTUS4177288
OPPOSITIONGB1379440
OPPOSITIONUS2006057300
OPPOSITIONUS3262846
OPPOSITIONUS4001400
OPPOSITIONUS4177288
OPPOSITIONUS5874025
OPPOSITIONWO8908395
OPPOSITIONWO9302557
OTHEREP0641164
OTHERUS4001400

Dossier Documents

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    Description

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