IP Verse

O/W Emulsion Comprising Photochemically Stable 4-(Tert.-Butyl)-4'-Methoxydibenzoylmethane In Oil Droplets Smaller Than 8 Micrometers

Patent No. EP3746183 (titled "O/W Emulsion Comprising Photochemically Stable 4-(Tert.-Butyl)-4'-Methoxydibenzoylmethane In Oil Droplets Smaller Than 8 Micrometers") was filed by Beiersdorf on Jan 22, 2019. The application was issued on Aug 23, 2023.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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
DSM NUTRITIONAL PRODUCTSMay 23, 2024KRAUS & LEDERER PARTGMBB
EMIL KIESSLINGMay 23, 2024HERZOG PATENTANWALTS
DALLI WERKEMay 14, 2024F & E PATENT

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

EP3746183

BEIERSDORF
Application Number
EP19701608A
Filing Date
Jan 22, 2019
Status
Granted And Under Opposition
Jul 21, 2023
Publication Date
Aug 23, 2023
External Links
Slate, Register , Google Patents