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IP Verse

Respiratory Mask And Gas Washout Vent - EP1938856

The patent EP1938856 was granted to Resmed on Jul 17, 2019. The application was filed on Nov 22, 2001 under application number EP08153449A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP1938856

RESMED
Application Number
EP08153449A
Filing Date
Nov 22, 2001
Status
Opposition Rejected
Jan 7, 2022
Publication Date
Jul 17, 2019
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
LAIR LIQUIDEJan 31, 2020AIR LIQUIDEADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONAU712236B
DESCRIPTIONEP0697225
DESCRIPTIONUS4944310
DESCRIPTIONUS5245995
DESCRIPTIONWO9812965
DESCRIPTIONWO9834665
DESCRIPTIONWO9961088
OPPOSITIONWO0076568
OPPOSITIONWO9804310
SEARCHEP0697225
SEARCHEP1027905
SEARCHGB799225
SEARCHWO9804310

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.

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