CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore patent oppositions filed by Chen against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Aug 7, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

Method For Producing Liquid Pig Iron From A Product Of DslSMS GROUPJul 3, 2025
Instrument For Analyzing Biological Samples And ReagentsDOUGLAS SCIENTIFICApr 17, 2025
Method And System For Making Functional Devices Availalble To Participants Of MeetingsBARCOMar 11, 2025
Vision Assistance DeviceA SCHWEIZER OPTISCHE FABRIKDec 16, 2024
Electric Beard TrimmerBRAUNOct 28, 2024
Winding Device For A Longitudinally Cut Material Sheet And System For Controlled Winding Of A Longitudinally Cut Material SheetFMS FORCE MEASURING SYSTEMSMay 16, 2024
SyringeNOVARTISNov 15, 2022
SyringeNOVARTISAug 3, 2022
Hair Removal DeviceBRAUNMay 20, 2022
Driving Unit And Electric Assist BicycleYAMAHA HATSUDOKI KABUSHIKI KAISHAApr 14, 2022

Explore Chen'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: Aug 7, 2025
Patent NumberGrant DateTitleTotal Oppositions
Aug 31, 2022Composition For Cleansing Keratin Materials With Improved Rinsing Properties1
May 4, 2022Chimeric Antigen Receptors (Cars) Targeting Hematologic Malignancies, Compositions And Methods Of Use Thereof3

Top competitors of Chen

Top competitors of Chen based on patent oppositions.