The weekly litigation news digest is live. Subscribe now

IP Verse

Otsuka Pharmaceutical competitive analysis

Loading summary...

Latest patents of Otsuka Pharmaceutical opposed by its competitors

Explore Otsuka Pharmaceutical'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
EP2767285
Feb 19, 2025Tablet Including 7-[4-(4-Benzo[Beta]Thiophen-4-Yl-Piperazin-1-Yl) Butoxy]-1H-Quinolin-2-One Or Salt Thereof2
EP4125903
Oct 9, 2024Methods For Dose Initiation Of Aripiprazole Treatments7
EP4069254
Sep 11, 2024Combination Decitabine And Cedazuridine Solid Oral Dosage Forms1
EP2841431
Jan 24, 2024Dihydrate Of Benzothiophene Compound Or Of A Salt Thereof, And Process For Producing The Same1
EP2841054
Apr 6, 2022Injectable Preparation1
EP2868318
Jan 26, 2022Injectable Formulation1
EP2667856
Dec 1, 2021Medical Device Containing A Cake Composition Comprising Aripiprazole As An Active Ingredient, And A Cake Composition Comprising Aripiprazole As An Active Ingredient5
EP2612653
Jun 9, 2021Composition For Cleaning Scalp And Head Hair1
EP2783689
Sep 25, 2019Keratoconjunctival Protecting Agent, Or Keratoconjunctival Disorder Inhibiting Agent1
EP2694043
Nov 1, 2017Combinations Comprising Brexpiprazole Or A Salt Thereof And A Second Drug For Use In The Treatment Of A Cns Disorder2

Latest PTAB cases involving Otsuka Pharmaceutical

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

Last updated on: Nov 16, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Otsuka Pharmaceutical

IPR2017-00287Nov 17, 2016ALKERMES PHARMA IRELANDOTSUKA PHARMACEUTICALInstitution Denied

Peer Comparison New

IP litigation analysis comparing Otsuka Pharmaceutical 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
OTSUKA PHARMACEUTICAL - 22 - 1
GENERICS UK214 - - -
HAMM & WITTKOPP112 - - -
MAIWALD136 - - -