The Weekly Litigation News Digest is now live. Subscribe now

Recycling Method For Elastomer Toughened Thermoplastic Polymers - EP4267664

The patent EP4267664 was granted to Trinseo Europe on Nov 6, 2024. The application was originally filed on Dec 10, 2021 under application number EP21834801A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4267664

TRINSEO EUROPE
Application Number
EP21834801A
Filing Date
Dec 10, 2021
Status
Granted And Under Opposition
Oct 3, 2024
Publication Date
Nov 6, 2024
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

Get instant alerts for new oppositions and patent status changes

INEOS STYROLUTION GROUPAug 5, 2025JACOBIADMISSIBLE

Patent Citations (25) New

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

Citation PhasePublication Number
DESCRIPTIONJP2003231119
DESCRIPTIONJP2004323825
DESCRIPTIONUS2003191202
DESCRIPTIONUS4572819
DESCRIPTIONUS4585825
DESCRIPTIONUS4666987
DESCRIPTIONUS5233021
DESCRIPTIONUS5278282
DESCRIPTIONUS8138232
DESCRIPTIONUS8338563
DESCRIPTIONWO0172900
DESCRIPTIONWO2005026244
DESCRIPTIONWO2015076868
EXAMINATIONJP2002264129
EXAMINATIONUS2017022346
INTERNATIONAL-SEARCH-REPORTUS6051650
INTERNATIONAL-SEARCH-REPORTUS6329436
INTERNATIONAL-SEARCH-REPORTWO2006030020
OPPOSITIONEP0648789
OPPOSITIONGB1110008
OPPOSITIONJP2002264129
OPPOSITIONUS2017022346
OPPOSITIONWO2020082184
OTHERJP2002264129
OTHERUS2017022346

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

  • Get instant alerts for new documents