CEMCO, LLC ((Previously known as California Expanded Metal Products Co.)
Patent owner in reexamination·3 ex parte reexams
CEMCO, LLC ((Previously known as California Expanded Metal Products Co.)'s patents have been the subject of 3 USPTO ex parte reexaminations, with 2 currently open. Its patents are most often challenged by Third Party Requester -. 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 requesters
Outcome track record
How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Claim-survival rate
Defense metrics
Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.
- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
Which requesters most often challenge this owner's patents, and which examiners decide them.
- Top requesters
- Most frequent examiners
Recent reexaminations (3)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/015,317 | Oct 24, 2023 | 7,814,718 | HEAD-OF-WALL FIREBLOCKS | Third Party Requester - | Open |
| 90/015,318 | Oct 24, 2023 | 8,151,526 | HEAD-OF-WALL FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | Third Party Requester - | Open |
| 90/015,319 | Oct 24, 2023 | 7,681,365 | HEAD-OF-FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | Third Party Requester - | Closed |
See the full reexam picture for CEMCO, LLC ((Previously known as California Expanded Metal Products Co.)
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.