ExamPat

KA Filing, LLC

Patent reexamination counsel·13 ex parte reexams

KA Filing, LLC has served as patent-owner counsel in 13 USPTO ex parte reexaminations, with 9 currently open. The firm most often represents Caifa Jiang, Jiangmen Pengjiang Tianli New Tech Co. Ltd., and Shenzhen Andelian 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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12
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21
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23
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24
4
25
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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 (13)

Control #FiledPatentTitleOwnerStatus
90/016,491Jul 21, 202610,863,608LIGHT-EMITTING DIODE DRIVING SYSTEM FOR TRANSMITTING SIGNAL BASED ON POWER LINEJiangmen Pengjiang Tianli New Tech Co. Ltd.Open
90/016,395Jun 13, 2026D1,094,828LampShenzhen Andelian Technology Co. Ltd.Open
90/016,098Mar 30, 2026D1,000,645Candle LightCaifa JiangOpen
90/016,063Mar 19, 2026D995,458Magnet—Open
90/015,848Jan 9, 2026D1,087,484Cat tunnel bedZhenghe C ounty Yewang E-Commerce Co. Ltd.Open
90/015,744Dec 25, 2025D1,028,096Ring Toss GameYufeng XingOpen
90/015,522Sep 18, 202511,824,939Internet-based Remote Interactive System for Sex ToysJunhao HuOpen
90/015,385Aug 19, 2025D1,052,939TableXiaojuan LiOpen
90/019,842Feb 7, 2025D1,041,298Hook—Closed
90/019,695Oct 5, 2024D1,000,645Candle LightCaifa JiangOpen
90/015,268Aug 7, 20236,821,540Process For Treating Vegetables And Fruit Before CookingMccain Foods LimitedClosed
90/014,777Jun 18, 2021D902,603HAIR STRAIGHTENING BRUSH—Closed
90/012,364Jun 18, 2012RE40,281SIGNAL PROCESSING UTILIZING A TREE-STRUCTURED ARRAYAware Inc.Closed

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See the full reexam picture for KA Filing, LLC

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