IP Verse

Kyowa Hakko Kirin competitive analysis

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: Sep 17, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP3305321
Oct 16, 2024Therapeutic Agent And Therapeutic Method For Pulmonary Hypertension3
EP2314686
Jun 21, 2023Cells Producing Antibody Compositions1
EP2278003
Aug 5, 2020Method For Controlling The Activity Of Immunologically Functional Molecule1
EP2270147
Jul 22, 2020Method For Controlling The Activity Of Immunologically Functional Molecule1
EP3147355
Jul 22, 2020Method For Preparing Aqueous Solution Containing Culture Medium And Chelating Agent1
EP1951760
Mar 18, 2020Human Monoclonal Antibody Human Cd134 (Ox40) And Methods Of Making And Using Same1
EP2270150
Aug 7, 2019Method For Controlling The Activity Of Immunologically Functional Molecule1
EP1698640
Jun 19, 2019Method Of Stabilizing Antibody And Stabilized Solution-Type Antibody Preparation2
EP2210940
Jul 18, 2018Method For High-Level Secretion And Production Of Protein1
EP2583973
Mar 21, 2018Method For Purifying Protein Using Amino Acid2

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: Sep 16, 2026
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: Sep 17, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
KYOWA HAKKO KIRIN - 16 - 3
ARAGEN BIOSCIENCE - - 3 -
KONIG SZYNKA TILMANN VON RENESSE43 - - -
UCB BIOPHARMA SPRL56 - -