KPPB, LLP
Patent reexamination counsel·6 ex parte reexams
KPPB, LLP has served as patent-owner counsel in 6 USPTO ex parte reexaminations, with 6 currently open. The firm most often represents Wilus Institute of Standards and Technology Inc., Wilus Institute of Standards And Technology Inc., and Divx 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 represented
Outcome track record
How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.
- Certificate outcome split across every bucket
- Share of proceedings where claims survived
Practice metrics
Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.
- Certificate rate of closed proceedings
- Average pendency in months
Examiners & adversaries
Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.
- Most frequent examiners
- Top opposing requesters
Recent reexaminations (6)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,943 | Feb 3, 2026 | 11,284,475 | WIRELESS COMMUNICATION METHOD USING BSS IDENTIFIER AND WIRELESS COMMUNICATION TERMINAL USING SAME | Wilus Institute of Standards And Technology Inc. | Open |
| 90/015,925 | Jan 30, 2026 | 12,166,587 | WIRELESS COMMUNICATION TERMINAL AND WIRELESS COMMUNICATION METHOD FOR MULTI-USER CONCURRENT TRANSMISSION | Wilus Institute of Standards and Technology Inc. | Open |
| 90/015,638 | Oct 28, 2025 | 10,567,047 | WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION TERMINAL FOR SIGNALING MULTI-USER PACKET | Wilus Institute of Standards and Technology Inc. | Open |
| 90/015,538 | Sep 23, 2025 | 10,305,638 | WIRELESS COMMUNICATION TERMINAL AND WIRELESS COMMUNICATION METHOD FOR MULTI-USER CONCURRENT TRANSMISSION | Wilus Institute of Standards and Technology Inc. | Open |
| 90/015,488 | Aug 29, 2025 | 10,931,396 | AGGREGATED-MPDU, METHOD FOR TRANSMITTING RESPONSE FRAME THERETO, AND WIRELESS COMMUNICATION TERMINAL USING SAME | Wilus Institute of Standards and Technology Inc. | Open |
| 90/015,467 | Aug 22, 2025 | 11,611,785 | Systems, Methods, and Media for Transcoding Video Data | Divx LLC | Open |
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