IP Verse

Compositions Comprising 2,3-Dichloro-1,1,1-Trifluoropropane, 2-Chloro-1,1,1-Trifluoropropene, 2-Chloro-1,1,1,2-Tetrafluoropropane Or 2,3,3,3-Tetrafluoropropene

Patent No. EP2271725 (titled "Compositions Comprising 2,3-Dichloro-1,1,1-Trifluoropropane, 2-Chloro-1,1,1-Trifluoropropene, 2-Chloro-1,1,1,2-Tetrafluoropropane Or 2,3,3,3-Tetrafluoropropene") was filed by E I DU Pont DE Nemours on May 7, 2009. The application was issued on Feb 21, 2018.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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 DateRepresentative
DAIKIN INDUSTRIESNov 21, 2018HOFFMANN EITLE
AGCNov 20, 2018MULLER BORE & PARTNER PATENTANWALTE PARTG MBB
MEXICHEM FLUOR DE CVNov 19, 2018POTTER CLARKSON
ARKEMA FRANCENov 16, 2018BANDPAY & GREUTER

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

EP2271725

E I DU PONT DE NEMOURS
Application Number
EP09743644A
Filing Date
May 7, 2009
Status
Revoked
Oct 11, 2024
Publication Date
Feb 21, 2018
External Links
Slate, Register , Google Patents