Dnl Zito
Patent reexamination counsel·3 ex parte reexams
Dnl Zito has served as patent-owner counsel in 3 USPTO ex parte reexaminations, with 2 currently open. The firm most often represents Factor2 Multimedia Systems LLC and Gatekeeper Solutions 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 (3)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/019,846 | Feb 11, 2025 | 9,870,453 | DIRECT AUTHENTICATION SYSTEM AND METHOD VIA TRUSTED AUTHENTICATORS | Factor2 Multimedia Systems LLC | Open |
| 90/019,719 | Nov 4, 2024 | 9,032,038 | Recipient Control System for Ensuring Non-Conflicting and Comprehensive Distribution of Digital Information and Method Thereof | Gatekeeper Solutions Inc. | Closed |
| 90/019,596 | Jul 24, 2024 | 10,083,285 | DIRECT AUTHENTICATION SYSTEM AND METHOD VIA TRUSTED AUTHENTICATORS | Factor2 Multimedia Systems LLC | Open |
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