DataQuill Limited
Patent owner in reexamination·2 ex parte reexams
DataQuill Limited's patents have been the subject of 2 USPTO ex parte reexaminations. Its patents are most often challenged by TCL Communication Technology Holdings Ltd. and TCT Mobile (US) Inc.. 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
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 (2)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/014,655 | Jan 22, 2021 | 7,139,591 | HAND HELD TELECOMMUNICATIONS AND DATA ENTRY DEVICE | TCL Communication Technology Holdings Ltd. and TCT Mobile (US) Inc. | Closed |
| 90/014,654 | Jan 15, 2021 | 6,058,304 | DATA ENTRY SYSTEM | TCL Communication Technology Holdings Ltd. and TCT Mobile (US) Inc. | Closed |
See the full reexam picture for DataQuill Limited
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.