ExamPat

TROJAN LAW OFFICES

Patent reexamination counsel·4 ex parte reexams

TROJAN LAW OFFICES has served as patent-owner counsel in 4 USPTO ex parte reexaminations, with 3 currently open. The firm most often represents CEMCO, LLC ((Previously known as California Expanded Metal Products Co.) and California Expanded Metal Products Company. 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

4
23

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 #FiledPatentTitleOwnerStatus
90/015,317Oct 24, 20237,814,718HEAD-OF-WALL FIREBLOCKSCEMCO, LLC ((Previously known as California Expanded Metal Products Co.)Open
90/015,318Oct 24, 20238,151,526HEAD-OF-WALL FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIESCEMCO, LLC ((Previously known as California Expanded Metal Products Co.)Open
90/015,319Oct 24, 20237,681,365HEAD-OF-FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIESCEMCO, LLC ((Previously known as California Expanded Metal Products Co.)Closed
90/020,155Aug 10, 20238,136,314HEAD-OF-WALL FIREBLOCKSCalifornia Expanded Metal Products CompanyOpen

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See the full reexam picture for TROJAN LAW OFFICES

Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.