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Fell competitive analysis

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

Last updated on: Nov 13, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

Self-Propelled Soil Working Implement With At Least One Fall SensorVORWERK & INTERHOLDINGJul 20, 2024
Method And Device For Measuring A Flow Velocity Of A Gas StreamPROMECON PROCESS MEASUREMENT CONTROLJun 4, 2024
Screen Arrangement For Hydroelectric Power PlantTECHNISCHE UNIVERSITT MNCHENSep 20, 2018

Explore Fell'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 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
Nov 25, 2020Method For Detecting An Overload Of A Saw Blade And Device For Same1

Latest PTAB cases involving Fell

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

Last updated on: Nov 13, 2025
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 Fell with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
PRESIDENT AND FELLOWS OF HARVARD COLLEGE - 86 - 8
CRISPR THERAPEUTICS12 - - -
JAMES POOLE153 - - -
PATENT BOUTIQUE43 - - -