IP Verse

Lederer & Keller competitive analysis

Latest oppositions filed by Lederer & Keller

Explore patent oppositions filed by Lederer & Keller against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Jun 25, 2026
Patent NumberTitleApplicantOpposition Date
EP3954690
Solid Forms And Formulations Of (S)-4-(8-Amino-3-(1-(But-2-Ynoyl)Pyrrolidin-2-Yl)Imidazo[1,5-A]Pyrazin-1-Yl)-N-(Pyridin-2-Yl)BenzamideACERTA PHARMADec 29, 2023
EP3597659
Prevention Of Disulfide Bond Reduction During Recombinant Production Of PolypeptidesGENENTECHDec 1, 2023
EP3672906
Autothermal Ammonia Cracking ProcessHALDOR TOPSENov 14, 2023
EP3463345
Pharmaceutical CombinationsARRAY BIOPHARMAAug 1, 2023
EP3464373
Use Of Anti-Pd-1 Antibody In The Treatment Of Patients With Colorectal CancerBRISTOL MYERS SQUIBBJul 26, 2022
EP3435985
Granulate Formulation Of 5-Methy!-1-Pheny!-2(1H)-Pyridone And Method Of Making The SameF HOFFMANN LA ROCHEFeb 8, 2022
EP3526229
Process For Preparing Glucopyranosyl-Substituted Benzyl-Benzene DerivativesBOEHRINGER INGELHEIMJan 26, 2022
EP3656765
Salts Or Co-Crystals Of 3-(3-Dimethylamino-1-Ethyl-2-Methyl-Propyl)-PhenolGRNENTHALJan 13, 2022
EP3288980
Treatment Of Pd-L1-Positive Melanoma Using An Anti-Pd-1 AntibodyBRISTOL MYERS SQUIBBDec 8, 2021
EP2968155
Tofacitinib Oral Sustained Release Dosage FormsPFIZERDec 3, 2021

Latest PTAB cases involving Lederer & Keller

Discover the latest PTAB cases involving Lederer & Keller, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Lederer & Keller with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jun 25, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
LEDERER & KELLER43 - - -
ACERTA PHARMA - 5 - 1
ARVEN ILAC SANAYI VE TICARET112 - -
BRISTOL MYERS SQUIBB - 91 - 8