The weekly litigation news digest is live. Subscribe now

IP Verse

Personal Protection Device - EP4278917

The patent EP4278917 was granted to D AIR LAB on Mar 5, 2025. The application was filed on May 18, 2023 under application number EP23174182A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4278917

D AIR LAB
Application Number
EP23174182A
Filing Date
May 18, 2023
Status
Granted And Under Opposition
Jan 31, 2025
Publication Date
Mar 5, 2025
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
ALPINESTARSDec 5, 2025DRAGOTTI & ASSOCIATIADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication Number
DESCRIPTIONEP2373189
DESCRIPTIONEP3291697
OPPOSITIONEP2621297
OPPOSITIONEP3434123
OPPOSITIONEP3498117
OPPOSITIONEP4197378
OPPOSITIONGB2590811
OPPOSITIONUS6176515
OPPOSITIONWO2021116931
OPPOSITIONWO2021260002
OPPOSITIONWO9515706
SEARCHEP1767108
SEARCHUS3319260
SEARCHWO2021116931
SEARCHWO2021260002

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