British Telecommunications PLC
Patent owner in reexamination·1 ex parte reexams
British Telecommunications PLC's patents have been the subject of 1 USPTO ex parte reexamination. 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
112
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 (1)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/012,427 | Aug 10, 2012 | 6,334,132 | Method and Apparatus for Creating a Customized Summary of Text by Selection of Sub-Sections Thereof Ranked by Comparison to Target Data Items | — | Closed |
See the full reexam picture for British Telecommunications PLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.