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Fellowes competitive analysis

Latest PTAB cases involving Fellowes

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

Last updated on: Feb 7, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2020-01623Sep 14, 2020FELLOWESTREEFROG DEVELOPMENTSInstitution Denied
IPR2020-01575Sep 4, 2020FELLOWESTREEFROG DEVELOPMENTSInstitution Denied
IPR2020-01543Aug 28, 2020FELLOWESTREEFROG DEVELOPMENTSInstitution Denied
IPR2020-01509Aug 21, 2020FELLOWESTREEFROG DEVELOPMENTSInstitution Denied
IPR2020-01469Aug 14, 2020FELLOWESTREEFROG DEVELOPMENTSTerminated-Settled
IPR2020-01435Aug 7, 2020FELLOWESTREEFROG DEVELOPMENTSTerminated-Settled
IPR2020-00869Apr 28, 2020FELLOWESTREEFROG DEVELOPMENTSInstitution Denied
IPR2020-00852Apr 21, 2020FELLOWESOTTER PRODUCTSInstitution Denied
IPR2013-00566Sep 5, 2013ACCO BRANDSFELLOWESFinal Written Decision
IPR2013-00197Mar 20, 2013FELLOWESSPECULATIVE PRODUCT DESIGNTerminated-Settled

Peer Comparison New

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

Last updated on: Feb 5, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
FELLOWES - - 91
ACCO BRANDS - - 1 -
OTTER PRODUCTS - - 22
TREEFROG DEVELOPMENTS - - - 7