ZTE (USA) Inc.
Ex parte reexamination requester·6 ex parte reexams
ZTE (USA) Inc. has requested 6 USPTO ex parte reexaminations, with 2 currently open. It most often challenges patents owned by Wsou Investments LLC and OT WSOU Terrier Holdings LLC. 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 (6)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/019,106 | Aug 4, 2022 | 7,742,534 | METHOD FOR TRANSMITTING USER DATA IN A MULTI-CARRIER RADIO COMMUNICATION SYSTEM, AND CORRESPONDING RECEIVER | Wsou Investments LLC | Closed |
| 90/019,101 | Jul 29, 2022 | 7,203,505 | MESSAGE TRANSFER FROM A SOURCE DEVICE VIA A MOBILE TERMINAL DEVICE TO A THIRD DEVICE | OT WSOU Terrier Holdings LLC | Closed |
| 90/019,094 | Jun 29, 2022 | 9,258,232 | INGRESS TRAFFIC FLOW CONTROL IN A DATA COMMUNICATIONS SYSTEM | Wsou Investments LLC | Closed |
| 90/019,086 | Jun 1, 2022 | 9,185,036 | Method and apparatus for flow control of data in a network | Wsou Investments LLC | Open |
| 90/019,078 | May 13, 2022 | 8,451,839 | METHOD AND APPARATUS FOR MANAGING ROUTE INFORMATION AND FORWARDING DATA IN ACCESS DEVICES | Wsou Investments LLC | Open |
| 90/019,077 | May 9, 2022 | 8,730,905 | TRANSMISSION RESOURCE RESERVATION SCHEME | Wsou Investments LLC | Closed |
See the full reexam picture for ZTE (USA) Inc.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.