Microsoft Corporation
Ex parte reexamination requester·8 ex parte reexams
Microsoft Corporation has requested 8 USPTO ex parte reexaminations, with 1 currently open. It most often challenges patents owned by X1 Discovery, Inc., Motorola Mobility LLC, and QOMPLX 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
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 (8)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,606 | Sep 21, 2026 | 11,539,663 | SYSTEM AND METHOD FOR MIDSERVER FACILITATION OF LONG-HAUL TRANSPORT OF TELEMETRY FOR CLOUD-BASED SERVICES | QOMPLX LLC | Open |
| 90/016,149 | Apr 3, 2026 | 8,856,093 | METHODS AND SYSTEMS FOR SEARCH INDEXING | X1 Discovery, Inc. | Closed |
| 90/016,155 | Apr 3, 2026 | 8,498,977 | METHODS AND SYSTEMS FOR SEARCH INDEXING | X1 Discovery, Inc. | Closed |
| 90/019,119 | Oct 7, 2022 | 8,223,117 | METHOD AND APPARATUS TO CONTROL DISPLAY BRIGHTNESS WITH AMBIENT LIGHT CORRECTION | Polaris PowerLED Technologies, LLC | Closed |
| 90/015,100 | Aug 19, 2022 | 7,177,886 | Apparatus and Method For Coordinating Logical Data Replication With Highly Available Data Replication | Daedalus Blue LLC | Closed |
| 90/013,275 | Jul 23, 2014 | 6,069,896 | CAPABILITY ADDRESSABLE NETWORK AND METHOD THEREFOR | Motorola Mobility LLC | Closed |
| 90/012,905 | Jul 2, 2013 | 6,069,896 | CAPABILITY ADDRESSABLE NETWORK AND METHOD THEREFOR | Motorola Mobility LLC | Closed |
| 90/020,049 | Mar 1, 2013 | 7,009,655 | METHOD AND SYSTEM FOR DIRECT RECORDING OF VIDEO INFORMATION ONTO A DISK MEDIUM | VisualOn, Inc. | Closed |
See the full reexam picture for Microsoft Corporation
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.