ExamPat

Taiwan Semiconductor Manufacturing Company Limited

Ex parte reexamination requester·13 ex parte reexams

Taiwan Semiconductor Manufacturing Company Limited has requested 13 USPTO ex parte reexaminations, with 13 currently open. It most often challenges patents owned by Advanced Integrated Circuit Process LLC and Marlin Semiconductor Limited. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.

Filings by year

11
25
2
26

Top patent owners challenged

Outcome track record

How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.

  • Certificate outcome split across every bucket
  • Share of challenges that canceled claims

Challenge metrics

Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.

  • Outcome rate of closed challenges
  • Average pendency in months

Examiners & defense counsel

Which examiners decide this requester's challenges, and which firms defend the targeted patents.

  • Most frequent examiners
  • Top opposing counsel

Recent reexaminations (13)

Control #FiledPatentTitleOwnerStatus
90/016,065Mar 19, 20268,198,686SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen
90/015,942Feb 3, 20268,329,572SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEAdvanced Integrated Circuit Process LLCOpen
90/015,751Dec 3, 20259,184,292SEMICONDUCTOR STRUCTURE WITH DIFFERENT FINS OF FINFETSMarlin Semiconductor LimitedOpen
90/015,753Dec 3, 20259,093,473METHOD FOR FABRICATING METAL-OXIDE SEMICONDUCTOR TRANSISTORMarlin Semiconductor LimitedOpen
90/015,750Dec 3, 20259,953,880SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEMarlin Semiconductor LimitedOpen
90/015,752Dec 3, 20259,147,747SEMICONDUCTOR STRUCTURE WITH HARD MASK DISPOSED ON THE GATE STRUCTUREMarlin Semiconductor LimitedOpen
90/015,704Nov 20, 20258,198,686SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen
90/015,691Nov 19, 20257,923,764SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEAdvanced Integrated Circuit Process LLCOpen
90/015,689Nov 14, 20257,579,227SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEAdvanced Integrated Circuit Process LLCOpen
90/015,688Nov 14, 20258,253,180SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen
90/015,690Nov 14, 20258,587,076SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen
90/015,692Nov 14, 20258,796,779SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen
90/015,674Nov 12, 20258,907,425SEMICONDUCTOR DEVICEAdvanced Integrated Circuit Process LLCOpen

Other reexam requesters

See the full reexam picture for Taiwan Semiconductor Manufacturing Company Limited

Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.