The weekly litigation news digest is live. Subscribe now

United Microelectronics competitive analysis

Latest PTAB cases involving United Microelectronics

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

Last updated on: Jan 13, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving United Microelectronics

IPR2025-01090Jun 6, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01091Jun 6, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01092Jun 6, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01093Jun 6, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01076Jun 2, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01079Jun 2, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2025-01053May 23, 2025UNITED MICROELECTRONICSADVANCED INTEGRATED CIRCUIT PROCESSDiscretionary Denial
IPR2017-01513Jul 20, 2017UNITED MICROELECTRONICSLONE STAR SILICON INNOVATIONSInstitution Denied

Peer Comparison New

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

Last updated on: Jan 8, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
UNITED MICROELECTRONICS - - 8 -
ADVANCED INTEGRATED CIRCUIT PROCESS - - - 19
LONE STAR SILICON INNOVATIONS - - - 27