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Propylene-Ethylene Random Copolymers With Low Xs/Et Ratio And High Mfr - EP3802639

The patent EP3802639 was granted to W R Grace & Conn on Feb 19, 2025. The application was filed on Jun 7, 2019 under application number EP19818756A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3802639

W R GRACE & CONN
Application Number
EP19818756A
Filing Date
Jun 7, 2019
Status
Granted And Under Opposition
Jan 17, 2025
Publication Date
Feb 19, 2025
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
KRAUS & LEDERER PARTGMBBNov 19, 2025KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS3256367
INTERNATIONAL-SEARCH-REPORTUS6723795
INTERNATIONAL-SEARCH-REPORTUS8541507
INTERNATIONAL-SEARCH-REPORTUS9650504
OPPOSITIONEP2578628
OPPOSITIONWO9731954
SEARCHUS2016115262
SEARCHWO2007122239
SEARCHWO2018191212

Dossier Documents

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