Williams Simons & Landis, P.C.
Patent reexamination counsel·6 ex parte reexams
Williams Simons & Landis, P.C. has served as patent-owner counsel in 6 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Gesture Technology Partners LLC, Estech Systems IP LLC, and LIT-US CHISUM 21-A LLC. 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 (6)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,227 | May 2, 2023 | 7,068,684 | QUALITY OF SERVICE IN A VOICE OVER IP TELEPHONE SYSTEM | Estech Systems IP LLC | Closed |
| 90/014,901 | Nov 11, 2021 | 7,933,431 | CAMERA BASED SENSING IN HANDHELD, MOBILE, GAMING, OR OTHER DEVICES | Gesture Technology Partners LLC | Open |
| 90/014,902 | Nov 11, 2021 | 8,194,924 | CAMERA BASED SENSING IN HANDHELD, MOBILE, GAMING, OR OTHER DEVICES | LIT-US CHISUM 21-A LLC | Closed |
| 90/014,900 | Nov 11, 2021 | 8,553,079 | MORE USEFUL MAN MACHINE INTERFACES AND APPLICATIONS | Gesture Technology Partners LLC | Closed |
| 90/014,903 | Nov 11, 2021 | 8,878,949 | CAMERA BASED INTERACTION AND INSTRUCTION | Gesture Technology Partners LLC | Closed |
| 90/014,804 | Jul 16, 2021 | 7,068,684 | QUALITY OF SERVICE IN A VOICE OVER IP TELEPHONE SYSTEM | Estech Systems Inc. | Closed |
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