The weekly litigation news digest is live. Subscribe now

Acetic Acid Production Method - EP2653460

The patent EP2653460 was granted to Daicel on Jul 20, 2022. The application was originally filed on Dec 1, 2011 under application number EP11848297A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2653460

DAICEL
Application Number
EP11848297A
Filing Date
Dec 1, 2011
Status
Patent Maintained As Amended
Jun 17, 2022
Publication Date
Jul 20, 2022
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

CELANESEAug 16, 2018BIRD & BIRDWITHDRAWN

Patent Citations (12) New

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

Citation PhasePublication Number
DESCRIPTIONJP2006160645
DESCRIPTIONJP3616400B
DESCRIPTIONJPH0640998
DESCRIPTIONWO02062740
INTERNATIONAL-SEARCH-REPORTJP2001151715
INTERNATIONAL-SEARCH-REPORTJPH06321847
INTERNATIONAL-SEARCH-REPORTJPH0940590
INTERNATIONAL-SEARCH-REPORTJPS54160313
INTERNATIONAL-SEARCH-REPORTWO02068374
OPPOSITIONUS2009270650
SEARCHUS2010063319
SEARCHWO02068374

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