IP Verse

Sanofi competitive analysis

Latest oppositions filed by Sanofi

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

Last updated on: Jul 16, 2026
Patent NumberTitleApplicantOpposition Date
EP3277713
PolypeptidesSORRISO PHARMACEUTICALSJun 10, 2026
EP4074331
Compositions And Methods For Internalizing EnzymesREGENERON PHARMACEUTICALSJun 3, 2026
EP3541452
Medicament Delivery Device Adapted For Long Term StorageSHL MEDICALMay 12, 2026
EP4039695
Expression Constructs And Methods Of Genetically Engineering Methylotrophic YeastIMPOSSIBLE FOODSApr 29, 2026
EP3727524
Liquid Delivery Cap Devices, Systems, And MethodsPATIENTS PENDINGJan 16, 2026
EP3303598
Targeted Lipid Particles For Systemic Delivery Of Nucleic Acid Molecules To LeukocytesRAMOT AT TEL AVIV UNIVERSITYDec 15, 2025
EP3823594
Liquid Antibody FormulationICHNOS SCIENCESNov 3, 2025
EP3728328
Bispecific Antigen Binding ConstructARGENX BVBAJul 23, 2025
EP4226941
Pegylated Liposomes For Delivery Of Immunogen-Encoding RnaGLAXOSMITHKLINEJul 22, 2025
EP3853305
High-Purity Peg Lipids And Uses ThereofMODERNAJun 24, 2025

Latest patents of Sanofi opposed by its competitors

Explore Sanofi'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: Jul 16, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP3302635
Sep 3, 2025Syringe Support And Autoinjector1
EP3774838
Sep 3, 2025Lixisenatide Synthesis With Capping2
EP3613432
Aug 6, 2025Methods For Treating Nasal Polyposis By Administering An Il-4R Antagonist1
EP2851087
Jun 18, 2025Stabilization Of Vaccines By Lyophilization1
EP3258992
May 28, 2025Data Collection Device For Attachment To An Injection Device2
EP3380136
Apr 30, 2025Auto-Injector2
EP3302630
Apr 2, 2025Syringe Support And Autoinjector1
EP3881879
Apr 2, 2025Assembly For A Drug Delivery Device Comprising A Feedback Feature1
EP3503946
Dec 11, 2024A Device For Attachment To An Injection Device1
EP2571517
Oct 16, 2024Long - Acting Formulations Of Insulins1

Latest PTAB cases involving Sanofi

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

Last updated on: Jul 19, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Sanofi

IPR2019-01658Oct 7, 2019MYLAN PHARMACEUTICALSSANOFI AVENTIS DEUTSCHLANDInstitution Denied
IPR2019-00977May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-00978May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-00979May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDFinal Written Decision
IPR2019-00980May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-00981May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-00982May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-00987May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-01022May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other
IPR2019-01023May 2, 2019PFIZERSANOFI AVENTIS DEUTSCHLANDTerminated-Other

Peer Comparison New

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

Last updated on: Jul 16, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SANOFI6425 - -
CUREVAC - 68 - 1
GLAXOSMITHKLINE2912063
MODERNA68042