Howard M Cohn

Patent reexamination counsel·12 ex parte reexams

Howard M Cohn has served as patent-owner counsel in 12 USPTO ex parte reexaminations, with 11 currently open. The firm most often represents Shenzhen Jisu Technology Co. Ltd., Guizhou Xiaozhi Sheep Trading Co. Ltd., and Chengdu Huiyuzhongtai Technology Co. Ltd.. 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

6
25
6
26

Top patent owners represented

Outcome track record

How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.

  • Certificate outcome split across every bucket
  • Share of proceedings where claims survived

Practice metrics

Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.

  • Certificate rate of closed proceedings
  • Average pendency in months

Examiners & adversaries

Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.

  • Most frequent examiners
  • Top opposing requesters

Recent reexaminations (12)

Control #FiledPatentTitleOwnerStatus
90/016,414Jun 23, 202612,478,181ADJUSTABLE DRAWERChengdu Huiyuzhongtai Technology Co. Ltd.Open
90/016,346May 28, 202611,466,689FUEL PUMPZhongshan Peili Technology Co. Ltd.Open
90/016,200Apr 20, 2026D1,116,067HANDHELD FANShenzhen Jisu Technology Co. Ltd.Open
90/016,119Apr 2, 2026D1,064,183SOLAR PLANT DRIP IRRIGATORGuizhou Xiaozhi Sheep Trading Co. Ltd.Open
90/016,107Mar 31, 2026D1,008,412SOLAR PLANT DRIP IRRIGATORGuizhou Xiaozhi Sheep Trading Co. Ltd.Open
90/016,108Mar 31, 2026D1,040,737SOLAR PLANT DRIP IRRIGATORGuizhou Xiaozhi Sheep Trading Co. Ltd.Open
90/015,656Nov 3, 2025D1,068,048PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,604Oct 15, 2025D1,068,049PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,523Sep 17, 2025D1,084,726Tea TableLangfang Juwangshang E-Commerce Co. Ltd.Open
90/015,509Sep 10, 2025D1,078,019PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,429Aug 5, 2025D1,068,050PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,343Jul 29, 202512,117,153INFLATABLE LAMPZtarx Corporation LimitedClosed

See the full reexam picture for Howard M Cohn

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