Peter C English
USPTO Patent Examiner·Active 2012 to 2026
Peter C English is a USPTO patent examiner who has handled 122 ex parte reexaminations between 2012 and 2026, with 31 currently open. These reexams concentrate in Mechanical Engineering, Mechanical & Manufacturing, and Life Sciences & Consumer. ExamPat indexes the full prosecution record for each of these cases, including office-action grounds, certificate outcomes, and downstream PTAB and federal-circuit decisions.
Filings by year
Technology mix
Compare against all examiners
Eight side-by-side metrics: case volume, pendency, OAs per reexam, rejection mix, SNQ denial rate, certification rate, and PTAB appeal rate, with a Δ column showing where this examiner runs higher or lower than the corpus.
- Average and median pendency, both for this examiner and the corpus
- Rejection basis split (102 / 103 / 112) head-to-head
- Certification, SNQ denial, and PTAB appeal rates
Certificate outcome distribution
How this examiner's certificates split across the six possible outcomes: all claims confirmed, confirmed with amendment, confirmed with new claims, mixed, or all claims canceled. Includes share comparison to the corpus distribution.
- Count and share for each of the six outcome buckets
- Δ vs. corpus distribution in percentage points
- Useful for setting realistic patent-owner expectations
Event-to-event timing
Median time for this examiner's cases at each prosecution stage, from filing to first office action, filing to NIRC, and filing to certificate, with corpus comparison and sample size.
- Median in months per transition
- Side-by-side with the corpus median
- n column showing how many of this examiner's cases completed each transition
vs. all examiners
Certificate outcome distribution
Event-to-event timing (median)
Recent reexaminations (showing 25 of 122)
| Control # | Filed | Patent | Title | Pendency | Status |
|---|---|---|---|---|---|
| 90/016,533 | Aug 18, 2026 | 8,613,337 | AIR INTAKE SYSTEM FOR A VEHICLE | — | Open |
| 90/016,502 | Jul 31, 2026 | 12,584,465 | MULTIPLE UP-TOWER LIFTING APPLIANCES ON WIND TURBINES | — | Open |
| 90/016,466 | Jul 14, 2026 | 9,151,467 | SINGLE CHAMBER LIGHTING DEVICE | — | Open |
| 90/016,457 | Jul 10, 2026 | 12,194,581 | Split Bushing Alignment Assembly and Method of Use | — | Open |
| 90/016,410 | Jun 19, 2026 | 8,948,998 | MACHINE THROTTLE SYSTEM | — | Open |
| 90/016,346 | May 28, 2026 | 11,466,689 | FUEL PUMP | — | Open |
| 90/016,265 | May 11, 2026 | 12,024,029 | TRAILER-BASED ENERGY CAPTURE AND MANAGEMENT | — | Open |
| 90/016,256 | May 7, 2026 | 9,151,467 | SINGLE CHAMBER LIGHTING DEVICE | — | Closed |
| 90/016,169 | Apr 7, 2026 | 9,448,367 | MULTI-CHANNEL OPTICAL TRANSCEIVER MODULE INCLUDING DUAL FIBER TYPE DIRECT LINK ADAPTER FOR OPTICALLY COUPLING OPTICAL SUBASSEMBLIES IN THE TRANSCEIVER MODULE | — | Open |
| 90/016,109 | Apr 1, 2026 | 11,536,419 | LIGHTING DEVICE WITH IMPROVED LUMINOUS PERFORMANCE | — | Open |
| 90/016,006 | Feb 26, 2026 | 10,302,027 | VARIABLE ENGINE SPEED CONTROL | — | Open |
| 90/016,002 | Feb 26, 2026 | 7,831,364 | "OFF-BOARD" CONTROL FOR A POWER MACHINE OR VEHICLE | — | Open |
| 90/016,000 | Feb 26, 2026 | 10,934,687 | HYDRAULIC POWER PRIORITIZATION | — | Open |
| 90/015,957 | Feb 10, 2026 | 7,849,699 | DIGITAL CONTROL OF ICE MAKING APPARATUS AND OUTPUT OF OPERATING STATUS | — | Open |
| 90/015,905 | Jan 30, 2026 | 7,651,245 | LED LIGHT FIXTURE WITH INTERNAL POWER SUPPLY | — | Open |
| 90/015,791 | Dec 18, 2025 | 12,286,810 | DEVICES AND SYSTEMS FOR DISPLACEMENT CONTROL IN SEISMIC BRACES AND YIELDING LINKS | — | Open |
| 90/015,789 | Dec 16, 2025 | 12,207,730 | HEIGHT ADJUSTABLE ANGLED DESKS | — | Closed |
| 90/015,699 | Nov 18, 2025 | 10,881,249 | FOODWARE SYSTEM HAVING VISUAL-STIMULATING, SENSING, HEATING, AND WIRELESS-COMMUNICATION COMPONENTS | — | Open |
| 90/015,698 | Nov 18, 2025 | 10,881,249 | FOODWARE SYSTEM HAVING VISUAL-STIMULATING, SENSING, HEATING, AND WIRELESS-COMMUNICATION COMPONENTS | — | Open |
| 90/015,564 | Oct 1, 2025 | 11,235,486 | RAZOR WITH CUTTING BLADE ROTATABLE ABOUT MULTIPLE AXES | — | Open |
| 90/015,543 | Sep 25, 2025 | 8,459,406 | MOUNTING APPARATUS FOR FIREARM SOUND SUPPRESSOR | 8 mo | Closed |
| 90/015,494 | Sep 2, 2025 | 9,889,572 | RAZOR WITH CUTTING BLADE ROTATABLE ABOUT MULTIPLE AXES | — | Open |
| 90/015,422 | Aug 1, 2025 | 12,144,272 | SELF-CLEANING LAWN SPIKE | — | Open |
| 90/015,399 | Jul 21, 2025 | 10,039,483 | FLUID DIVERSION MECHANISM FOR BODILY-FLUID SAMPLING | — | Open |
| 90/015,371 | Jul 9, 2025 | 12,276,408 | Under-Cabinet Light | — | Closed |
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