Cemco LLC
Patent owner in reexamination·4 ex parte reexams
Cemco LLC's patents have been the subject of 4 USPTO ex parte reexaminations, with 3 currently open. Its patents are most often challenged by Thomas Loop. 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 (4)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/015,318 | Oct 24, 2023 | 8,151,526 | HEAD-OF-WALL FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | Thomas Loop | Open |
| 90/015,319 | Oct 24, 2023 | 7,681,365 | HEAD-OF-FIREBLOCK SYSTEMS AND RELATED WALL ASSEMBLIES | — | Closed |
| 90/015,317 | Oct 24, 2023 | 7,814,718 | HEAD-OF-WALL FIREBLOCKS | Thomas Loop | Open |
| 90/020,155 | Aug 10, 2023 | 8,136,314 | HEAD-OF-WALL FIREBLOCKS | — | Open |
See the full reexam picture for Cemco LLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.