Trojan Law Offices, P.C.
Patent reexamination counsel·4 ex parte reexams
Trojan Law Offices, P.C. has served as patent-owner counsel in 4 USPTO ex parte reexaminations, with 3 currently open. The firm most often represents Cemco 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 (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,318 | Oct 24, 2023 | 8,151,526 | HEAD-OF-WALL FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | Cemco LLC | Open |
| 90/015,319 | Oct 24, 2023 | 7,681,365 | HEAD-OF-FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | Cemco LLC | Closed |
| 90/015,317 | Oct 24, 2023 | 7,814,718 | HEAD-OF-WALL FIREBLOCKS | Cemco LLC | Open |
| 90/020,155 | Aug 10, 2023 | 8,136,314 | HEAD-OF-WALL FIREBLOCKS | Cemco LLC | Open |
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