KA Filing, LLC
Patent reexamination counsel·11 ex parte reexams
KA Filing, LLC has served as patent-owner counsel in 11 USPTO ex parte reexaminations, with 7 currently open. The firm most often represents Caifa Jiang, Shenzhen Andelian Technology Co. Ltd., and Zhenghe C ounty Yewang E-Commerce 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
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 (11)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,395 | Jun 13, 2026 | D1,094,828 | Lamp | Shenzhen Andelian Technology Co. Ltd. | Open |
| 90/016,098 | Mar 30, 2026 | D1,000,645 | Candle Light | Caifa Jiang | Open |
| 90/016,063 | Mar 19, 2026 | D995,458 | Magnet | — | Open |
| 90/015,848 | Jan 9, 2026 | D1,087,484 | Cat tunnel bed | Zhenghe C ounty Yewang E-Commerce Co. Ltd. | Open |
| 90/015,744 | Dec 25, 2025 | D1,028,096 | Ring Toss Game | Yufeng Xing | Open |
| 90/015,385 | Aug 19, 2025 | D1,052,939 | Table | Xiaojuan Li | Open |
| 90/019,842 | Feb 7, 2025 | D1,041,298 | Hook | — | Closed |
| 90/019,695 | Oct 5, 2024 | D1,000,645 | Candle Light | Caifa Jiang | Open |
| 90/015,268 | Aug 7, 2023 | 6,821,540 | Process For Treating Vegetables And Fruit Before Cooking | Mccain Foods Limited | Closed |
| 90/014,777 | Jun 18, 2021 | D902,603 | HAIR STRAIGHTENING BRUSH | — | Closed |
| 90/012,364 | Jun 18, 2012 | RE40,281 | SIGNAL PROCESSING UTILIZING A TREE-STRUCTURED ARRAY | Aware Inc. | Closed |
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