IP Verse

Method Of Removing Leukocytes, Leukocyte-Removing Filter And Utilization Thereof

Patent No. EP1582228 (titled "Method Of Removing Leukocytes, Leukocyte-Removing Filter And Utilization Thereof") was filed by Asahi Kasei Medical on Dec 2, 2003. The application was issued on Mar 13, 2019.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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 DateRepresentative
FRESENIUS KABI DEUTSCHLANDJan 12, 2017MAIKOWSKI & NINNEMANN PATENTANWALTE PARTNERSCHAFT MBB

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

EP1582228

ASAHI KASEI MEDICAL
Application Number
EP03776023A
Filing Date
Dec 2, 2003
Status
Patent Maintained As Amended
Feb 8, 2019
Publication Date
Mar 13, 2019
External Links
Slate, Register , Google Patents