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IP Verse

Tan competitive analysis

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Latest oppositions filed by Tan

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

Last updated on: Nov 20, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3887493
Process For Preparing A Surfactant Composition Based On A Glycine Betaine Ester Salt, And Composition Thus ObtainedSURFACTGREENOct 15, 2025
EP4013238
Method Of Preparing A Fruit-Containing ProductNUTRICIAOct 15, 2025
EP4370116
Methods For Treating Hypertrophic CardiomyopathyCYTOKINETICSOct 14, 2025
EP3703671
New Cannabis Compositions And Industrial Methods For Production ThereofBUZZELETOct 8, 2025
EP3681539
Iron Complex Compounds For Therapeutic UsePHARMACOSMOS HOLDINGSep 30, 2025
EP4188104
Method And Device For Demoulding A Confectionery Item From A Casting MouldWINKLER UND DNNEBIER SSSWARENMASCHINENSep 25, 2025
EP4208394
Packaging With Paper MaterialKOEHLER INNOVATION & TECHNOLOGYSep 23, 2025
EP3539540
Pharmaceutical Composition, Methods For Treating And Uses ThereofBOEHRINGER INGELHEIMSep 16, 2025
EP3171860
Solid Oral Formulation Of FenretinideLAURENT PHARMACEUTICALSSep 9, 2025
EP3806667
Water Pipe Having A Connection Between The Receptacle And The HousingAF HOLDINGSep 3, 2025

Latest patents of Tan opposed by its competitors

Explore Tan'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 20, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP3021830
Sep 3, 2025Compositions And Methods For Treating Hair1
EP3494237
Sep 3, 2025Use Of Olive Mill Waste Waters In The Leather Tanning Industry1
EP3614472
Jun 11, 2025Catalyst For Solid Polymer Electrolyte Fuel Cells And Method For Producing Same1
EP2630601
Dec 18, 2024Medical Device1
EP3467141
Oct 11, 2023Gold Sputtering Target1
EP3570093
Sep 15, 2021Contact Lens With A Hydrophilic Layer1
EP3388886
Oct 28, 2020Contact Lens With A Hydrophilic Layer1
EP2627277
Nov 20, 2019Medical Device1
EP3101716
Jul 4, 2018Positive Electrode Active Material For Lithium Secondary Batteries, Positive Electrode For Lithium Secondary Batteries, And Lithium Secondary Battery1
EP2888626
Apr 18, 2018Contact Lens With A Hydrophilic Layer1

Latest PTAB cases involving Tan

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

Last updated on: Nov 19, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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PGR2025-00060Jul 10, 2025TANKLOGIXSITEPROPending
IPR2025-00761Apr 11, 2025TANKLOGIXSITEPRODiscretionary Denial
IPR2025-00647Feb 28, 2025TANKLOGIXSITEPRODiscretionary Denial
IPR2025-00648Feb 28, 2025TANKLOGIXSITEPRODiscretionary Denial
IPR2025-00649Feb 28, 2025TANKLOGIXSITEPRODiscretionary Denial
IPR2025-00650Feb 28, 2025TANKLOGIXSITEPROInstitution Denied
IPR2025-00651Feb 28, 2025TANKLOGIXSITEPROInstitution Denied
IPR2025-00652Feb 28, 2025TANKLOGIXSITEPROInstitution Denied
IPR2025-00653Feb 28, 2025TANKLOGIXSITEPROInstitution Denied
IPR2024-00898May 8, 2024RECYCLED PLASTICS INDUSTRIESTANGENTTerminated-Settled

Peer Comparison New

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

Last updated on: Nov 20, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB34 - - -
MASSACHUSETTS INSTITUTE OF TECHNOLOGY - 75 - 16
PRESIDENT AND FELLOWS OF HARVARD COLLEGE - 86 - 8
SIGMA ALDRICH - 48 - -