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Amerigen Pharmaceuticals competitive analysis

Latest PTAB cases involving Amerigen Pharmaceuticals

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

Last updated on: Feb 1, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Amerigen Pharmaceuticals

IPR2017-00665Jan 13, 2017AMERIGEN PHARMACEUTICALSSHIRETerminated-Settled
IPR2016-01665Aug 22, 2016AMERIGEN PHARMACEUTICALSUCB PHARMAFinal Written Decision
IPR2016-00286Dec 4, 2015AMERIGEN PHARMACEUTICALSJANSSEN ONCOLOGYFinal Written Decision
IPR2015-02009Oct 1, 2015AMERIGEN PHARMACEUTICALSSHIREFinal Written Decision

Peer Comparison New

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

Last updated on: Jan 29, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
AMERIGEN PHARMACEUTICALS - - 4 -
JANSSEN ONCOLOGY - 22 - 5
SHIRE - - 14
UCB PHARMA - 12 - 8