Michael J. Cherskov
Patent reexamination counsel·7 ex parte reexams
Michael J. Cherskov has served as patent-owner counsel in 7 USPTO ex parte reexaminations, with 6 currently open. The firm most often represents Advanced Integrated Circuit Process LLC, Advanced Memory Technologies LLC, and Dynamic Mesh Networks Inc.. 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 (7)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,524 | Aug 14, 2026 | 8,593,888 | SEMICONDUCTOR MEMORY DEVICE | Advanced Memory Technologies LLC | Open |
| 90/015,996 | Feb 25, 2026 | 7,894,385 | MOBILITY EXTENSIONS FOR WIRELESS MULTIPLE RADIO MESH | Dynamic Mesh Networks Inc. | Open |
| 90/015,929 | Feb 3, 2026 | 7,632,751 | SEMICONDUCTOR DEVICE HAVING VIA CONNECTING BETWEEN INTERCONNECTS | Advanced Integrated Circuit Process LLC | Open |
| 90/015,928 | Feb 3, 2026 | 7,439,623 | SEMICONDUCTOR DEVICE HAVING VIA CONNECTING BETWEEN INTERCONNECTS | Advanced Integrated Circuit Process LLC | Open |
| 90/015,690 | Nov 14, 2025 | 8,587,076 | SEMICONDUCTOR DEVICE | Panasonic Semiconductor Solutions Co. Ltd. | Open |
| 90/015,613 | Oct 17, 2025 | 8,502,757 | ORGANIC LIGHT EMITTING DISPLAY HAVING THRESHOLD VOLTAGE COMPENSATION MECHANISM AND DRIVING METHOD THEREOF | Optronic Sciences LLC | Open |
| 90/019,349 | Dec 22, 2023 | D1,002,985 | Rolling Storage Cart | Shengzhou Yuneng Trade Department | Closed |
Other reexam law firms
- Knobbe, Martens, Olson & Bear, LLP115 reexams · 24 pending
- Sterne, Kessler, Goldstein & Fox P.L.L.C.105 reexams · 34 pending
- Fish & Richardson, P.C.76 reexams · 17 pending
- Volpe Koenig54 reexams · 29 pending
- Lowenstein & Weatherwax, LLP51 reexams · 24 pending
- Nixon & Vanderhye, P.C.48 reexams · 8 pending
See the full reexam picture for Michael J. Cherskov
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