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Kyowa Hakko Kirin competitive analysis

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Latest patents of Kyowa Hakko Kirin opposed by its competitors

Explore Kyowa Hakko 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 13, 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
EP2484696
Aug 16, 2017Antagonistic Hlight-Specific Human Monoclonal Antibodies1

Latest PTAB cases involving Kyowa Hakko Kirin

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

Last updated on: Nov 13, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Kyowa Hakko Kirin

IPR2017-01262Apr 11, 2017ARAGEN BIOSCIENCEKYOWA HAKKO KIRINInstitution Denied
IPR2017-01252Apr 6, 2017ARAGEN BIOSCIENCEKYOWA HAKKO KIRINInstitution Denied
IPR2017-01254Apr 6, 2017ARAGEN BIOSCIENCEKYOWA HAKKO KIRINInstitution Denied

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
KYOWA HAKKO KIRIN - 6 - 3
ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB11 - - -
ARAGEN BIOSCIENCE - - 3 -
BREUER16 - - -