Xylylene Diisocyanate Composition, Modified Xylylene Diisocyanate Composition, Polymerizable Composition, Resin, Molded Body, Optical Element, And Lens - EP4089071

The patent EP4089071 was granted to Mitsui Chemicals on Aug 7, 2024. The application was originally filed on Jun 14, 2021 under application number EP21922976A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4089071

MITSUI CHEMICALS
Application Number
EP21922976A
Filing Date
Jun 14, 2021
Status
Granted And Under Opposition
Jul 5, 2024
Grant Date
Aug 7, 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

WUESTHOFF & WUESTHOFFFeb 12, 2025SONNENHAUSERADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONJP2020024453
DESCRIPTIONUS6373536
INTERNATIONAL-SEARCH-REPORTJP2014234429
INTERNATIONAL-SEARCH-REPORTJP2014234430
INTERNATIONAL-SEARCH-REPORTJP2018193369
INTERNATIONAL-SEARCH-REPORTJP2020503325
INTERNATIONAL-SEARCH-REPORTJP2020533393
INTERNATIONAL-SEARCH-REPORTJP2021091682
INTERNATIONAL-SEARCH-REPORTKR20200113074
INTERNATIONAL-SEARCH-REPORTWO2014163016
INTERNATIONAL-SEARCH-REPORTWO2017179575
INTERNATIONAL-SEARCH-REPORTWO2018190290
OPPOSITIONEP3444236

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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