John R. Mills
Ex parte reexamination requester·4 ex parte reexams
John R. Mills has requested 4 USPTO ex parte reexaminations, with 1 currently open. It most often challenges patents owned by Englishtown Inc., KPMG LLP, and Hitachi Ltd.. 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 patent owners challenged
Outcome track record
How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Share of challenges that canceled claims
Challenge metrics
Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.
- Outcome rate of closed challenges
- Average pendency in months
Examiners & defense counsel
Which examiners decide this requester's challenges, and which firms defend the targeted patents.
- Most frequent examiners
- Top opposing counsel
Recent reexaminations (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,407 | Jun 18, 2026 | 11,720,842 | SYSTEM AND METHOD FOR IDENTIFYING COMPARABLES | KPMG LLP | Open |
| 90/013,142 | Jan 31, 2014 | 7,058,354 | LEARNING ACTIVITY PLATFORM AND METHOD FOR TEACHING A FOREIGN LANGUAGE OVER A NETWORK | Englishtown Inc. | Closed |
| 90/013,103 | Dec 23, 2013 | 6,741,833 | LEARNING ACTIVITY PLATFORM AND METHOD FOR TEACHING A FOREIGN LANGUAGE OVER A NETWORK | Englishtown Inc. | Closed |
| 90/012,494 | Sep 11, 2012 | 6,247,090 | DISPLAY APPARATUS ENABLED TO CONTROL COMMUNICATABILITY WITH AN EXTERNAL COMPUTER USING IDENTIFICATION INFORMATION | Hitachi Ltd. | Closed |
See the full reexam picture for John R. Mills
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.