Arch & Lake, LLP
Patent reexamination counsel·5 ex parte reexams
Arch & Lake, LLP has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 2 currently open. The firm most often represents Entropic Communications LLC, HI-DOW IPHC INC., and Hi-Dow IPHC Inc.. 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 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 (5)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/015,390 | Jul 16, 2025 | 11,351,361 | WIRELESS ELECTRICAL STIMULATION SYSTEM | HI-DOW IPHC INC. | Open |
| 90/015,346 | Jun 26, 2025 | 9,415,217 | WIRELESS ELECTRICAL STIMULATION SYSTEM | Hi-Dow IPHC Inc. | Open |
| 90/019,255 | Sep 20, 2023 | 9,210,362 | WIDEBAND TUNER ARCHITECTURE | Entropic Communications LLC | Closed |
| 90/019,247 | Sep 11, 2023 | 7,594,249 | NETWORK INTERFACE DEVICE AND BROADBAND LOCAL AREA NETWORK USING COAXIAL CABLE | Entropic Communications LLC | Closed |
| 90/014,879 | Oct 8, 2021 | 11,034,042 | DETECTION MECHANISM, CUTTING APPARATUS HAVING THE SAME AND DETECTION METHOD | Safe-Run Machinery (Suzhou) Co. Ltd. | Closed |
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