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IP Verse

Kyowa Kirin competitive analysis

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Latest patents of Kyowa Kirin opposed by its competitors

Explore Kyowa Kirin's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Nov 20, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP3305321
Oct 16, 2024Therapeutic Agent And Therapeutic Method For Pulmonary Hypertension2
EP2314686
Jun 21, 2023Cells Producing Antibody Compositions1
EP3147355
Jul 22, 2020Method For Preparing Aqueous Solution Containing Culture Medium And Chelating Agent1
EP2583973
Mar 21, 2018Method For Purifying Protein Using Amino Acid1

Latest PTAB cases involving Kyowa Kirin

Discover the latest PTAB cases involving Kyowa Kirin, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Kyowa Kirin with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 20, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
KYOWA KIRIN - 5 - -
ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB11 - - -
BREUER16 - - -
J A KEMP40 - - -