IP Verse

Otsuka Pharmaceutical Co., Ltd. competitive analysis

Latest patents of Otsuka Pharmaceutical Co., Ltd. opposed by its competitors

Explore Otsuka Pharmaceutical Co., Ltd.'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: Aug 20, 2026
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 Thereof3
EP4125903
Oct 9, 2024Methods For Dose Initiation Of Aripiprazole Treatments8
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 Preparation2
EP2868318
Jan 26, 2022Injectable Formulation2
EP2667856
Dec 1, 2021Medical Device Containing A Cake Composition Comprising Aripiprazole As An Active Ingredient, And A Cake Composition Comprising Aripiprazole As An Active Ingredient6
EP2612653
Jun 9, 2021Composition For Cleaning Scalp And Head Hair1
EP2694043
Nov 1, 2017Combinations Comprising Brexpiprazole Or A Salt Thereof And A Second Drug For Use In The Treatment Of A Cns Disorder2
EP2838513
Apr 5, 2017Oral Solid Preparation Comprising Aripiprazole And Method For Producing Oral Solid Preparation Comprising Aripiprazole1

Latest PTAB cases involving Otsuka Pharmaceutical Co., Ltd.

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

Last updated on: Aug 22, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Otsuka Pharmaceutical Co., Ltd.

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

Peer Comparison New

IP litigation analysis comparing Otsuka Pharmaceutical Co., Ltd. with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Aug 20, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
OTSUKA PHARMACEUTICAL - 27 - 1
GENERICS UK226 - - -
MAIWALD157 - - -
MAIWALD PATENT UND RECHTSANWALTSGESELLSCHAFT54 - - -