ExamPat

Howard M Cohn

Patent reexamination counsel·24 ex parte reexams

Howard M Cohn has served as patent-owner counsel in 24 USPTO ex parte reexaminations, with 14 currently open. The firm most often represents Shenzhen Jisu Technology Co. Ltd., Guizhou Xiaozhi Sheep Trading Co. Ltd., and Shenzhen Fengshun 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

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21
1
23
2
24
11
25
9
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 (24)

Control #FiledPatentTitleOwnerStatus
90/016,550Aug 27, 2026—SOLAR MOSQUITO KILLER—Open
90/016,520Aug 11, 2026D1,007,305SEALING PLUG FOR BOTTLE CAPShenzhen Fengshun Technology Co. Ltd.Open
90/016,493Jul 23, 202612,599,827BOXING ENTERTAINMENT DEVICE—Open
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
90/016,108Mar 31, 2026D1,040,737SOLAR 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
90/015,655Dec 5, 2025D1,068,047PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,586Nov 28, 2025D1,081,224ORGANIZER WITH DRAWERZhejiang Cheng's Plastic Products Co. Ltd.Open
90/015,656Nov 3, 2025D1,068,048PORTABLE FANShenzhen Jisu Technology Co. Ltd.Closed
90/015,604Oct 15, 2025D1,068,049PORTABLE FANShenzhen Jisu Technology Co. Ltd.Open
90/015,566Oct 1, 202511,929,191METHOD FOR MANUFACTURING MAGNETIC DATA LINEWenyong YueOpen
90/015,511Sep 18, 2025D1,077,192PORTABLE FANShenzhen Jisu Technology Co. Ltd.Closed
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.Closed
90/015,429Aug 5, 2025D1,068,050PORTABLE FANShenzhen Jisu Technology Co. Ltd.Closed
90/015,343Jul 29, 202512,117,153INFLATABLE LAMPZtarx Corporation LimitedClosed
90/019,918Apr 17, 2025D1,052,963Food Container—Closed
90/019,626Aug 17, 2024D1,035,375DATE TRACKING WHEEL—Closed
90/019,573Jul 6, 2024D1,031,957FIRE PIT—Closed
90/015,305Oct 2, 2023D959,671POSITIONING BED PAD—Closed
90/014,884Oct 15, 2021D882,279MIRRORShenzhen Smile Technology Co. Ltd.Closed

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