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Fresenius Kabi Usa competitive analysis

Latest PTAB cases involving Fresenius Kabi Usa

Discover the latest PTAB cases involving Fresenius Kabi Usa, highlighting their recent legal challenges and patent disputes.

Last updated on: Jul 13, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Fresenius Kabi Usa

IPR2022-01065Jun 7, 2022FRESENIUS KABI USACHUGAI SEIYAKU KABUSHIKI KAISHATerminated-Settled
IPR2022-01065Jun 7, 2022FRESENIUS KABI USAZHANGTerminated-Settled
IPR2022-00657Mar 3, 2022FRESENIUS KABI USANOVO NORDISKTerminated-Settled
IPR2022-00657Mar 3, 2022FRESENIUS KABI USAPEDERSENTerminated-Settled
IPR2022-00201Nov 24, 2021FRESENIUS KABI USACHUGAI SEIYAKU KABUSHIKI KAISHA CHUGAI PHARMACEUTICALTerminated-Settled
IPR2022-00201Nov 24, 2021FRESENIUS KABI USAZHANGTerminated-Settled
IPR2021-01542Sep 24, 2021FRESENIUS KABI USACHUGAI SEIYAKU KABUSHIKI KAISHA CHUGAI PHARMACEUTICALTerminated-Settled
IPR2021-01542Sep 24, 2021FRESENIUS KABI USAZHANGTerminated-Settled
IPR2021-01288Aug 18, 2021FRESENIUS KABI USACHUGAI SEIYAKU KABUSHIKI KAISHA CHUGAI PHARMACEUTICALTerminated-Settled
IPR2021-01288Aug 18, 2021FRESENIUS KABI USAZHANGTerminated-Settled

Peer Comparison New

IP litigation analysis comparing Fresenius Kabi Usa with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jul 9, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
FRESENIUS KABI USA - - 265
CHUGAI SEIYAKU KABUSHIKI KAISHA CHUGAI PHARMACEUTICAL - - - 8
CUBIST PHARMACEUTICALS - 3 - 13
ZHANG16 - 8