Cleary Gottlieb Steen & Hamilton, LLP
Patent reexamination counsel·5 ex parte reexams
Cleary Gottlieb Steen & Hamilton, LLP has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 5 currently open. The firm most often represents Data Powerworks LLC, Neuralio, and Vertiv 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
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 |
|---|---|---|---|---|---|
| 90/016,137 | Apr 3, 2026 | 9,106,697 | System and Method for Identifying Unauthorized Activities on a Computer System Using a Data Structure Model | Neuralio | Open |
| 90/015,841 | Jan 15, 2026 | 7,960,862 | METHOD AND SYSTEM FOR HIGH-RELIABILITY POWER SWITCHING | Data Powerworks LLC | Open |
| 90/015,881 | Jan 12, 2026 | 9,000,613 | UPS ADAPTIVE OUTPUT VOLTAGE CONTROL SYSTEMS | Vertiv Corporation | Open |
| 90/015,878 | Jan 9, 2026 | 9,531,288 | Systems And Methods For Balancing UPS Output Voltages During Transitions Between Operating Modes | Liebert Corporation | Open |
| 90/015,756 | Dec 5, 2025 | 8,035,250 | SYSTEM AND METHOD FOR LOAD SHARING IN MULTI-MODULE POWER SUPPLY SYSTEMS | Data Powerworks LLC | Open |
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