Harold McGurk
Patent reexamination counsel·5 ex parte reexams
Harold McGurk has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 3 currently open. The firm most often represents Competitive Access Systems Inc. and Mitsubishi Electric Corporation. 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 (5)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,477 | Jul 16, 2026 | — | BROADBAND COMMUNICATIONS DEVICE | — | Open |
| 90/016,054 | Mar 16, 2026 | 9,350,649 | MULTIPATH COMMUNICATION DEVICES AND METHODS | Competitive Access Systems Inc. | Open |
| 90/015,804 | Dec 19, 2025 | 9,350,649 | MULTIPATH COMMUNICATION DEVICES AND METHODS | Competitive Access Systems Inc. | Open |
| 90/012,146 | Feb 16, 2012 | 5,511,029 | Test Circuit in Clock Synchronous Semiconductor Memory Device | Mitsubishi Electric Corporation | Closed |
| 90/012,147 | Feb 16, 2012 | 5,748,560 | Synchronous Semiconductor Memory Device with Auto Precharge Operation Easily Controlled | Mitsubishi Electric Corporation | Closed |
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