Qualcomm Incorporated
Ex parte reexamination requester·10 ex parte reexams
Qualcomm Incorporated has requested 10 USPTO ex parte reexaminations, with 9 currently open. It most often challenges patents owned by Xueshan Technologies Inc., POLARIS INNOVATIONS LIMITED, and Marlin Semiconductor Limited. 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 (10)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,503 | Jul 31, 2026 | 7,872,936 | SYSTEM AND METHOD FOR PACKAGED MEMORY | POLARIS INNOVATIONS LIMITED | Open |
| 90/016,497 | Jul 24, 2026 | 7,184,339 | SEMI-CONDUCTOR COMPONENT, AS WELL AS A PROCESS FOR THE IN-OR OUTPUT OF TEST DATA | POLARIS INNOVATIONS LIMITED | Open |
| 90/016,462 | Jul 10, 2026 | 8,462,846 | Video Encoder and Method for Performing Intra-Prediction and Video Data Compression | Xueshan Technologies Inc. | Closed |
| 90/016,461 | Jul 10, 2026 | 9,066,013 | CONTENT-ADAPTIVE IMAGE RESIZING METHOD AND RELATED APPARATUS THEREOF | Xueshan Technologies Inc. | Open |
| 90/016,446 | Jul 2, 2026 | 8,451,211 | DIMMING CONTROL APPARATUS AND METHOD FOR GENERATING DIMMING CONTROL SIGNAL BY REFERRING TO DISTRIBUTION INFORMATION/MULTIPLE CHARACTERISTIC VALUES DERIVED FROM PIXEL VALUES | Xueshan Technologies Inc. | Open |
| 90/016,444 | Jul 2, 2026 | 8,161,344 | CIRCUITS AND METHODS FOR ERROR CODING DATA BLOCKS | POLARIS INNOVATIONS LIMITED | Open |
| 90/016,443 | Jul 2, 2026 | 8,395,946 | DATA ACCESS APPARATUS AND ASSOCIATED METHOD FOR ACCESSING DATA USING INTERNALLY GENERATED CLOCKS | Xueshan Technologies Inc. | Open |
| 90/016,442 | Jul 1, 2026 | 8,391,089 | METHOD AND CIRCUIT OF CALIBRATING DATA STROBE SIGNAL IN MEMORY CONTROLLER | Xueshan Technologies Inc. | Open |
| 90/016,426 | Jun 29, 2026 | 7,705,666 | FILLER CIRCUIT CELL | Marlin Semiconductor Limited | Open |
| 90/015,587 | Oct 30, 2025 | 7,930,575 | A MICROCONTROLLER FOR CONTROLLING POWER SHUTDOWN PROCESS | Collabo Innovations, Inc. | Open |
See the full reexam picture for Qualcomm Incorporated
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.