Technology area: Medical Devices & Mechanical Engineering
4 pending office actions • 2 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready • 7 patents granted in the last 365 days
Tatsuno Corporation has 4 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 3 examiners across 2 art units, indicating limited technical dispersion and some examiner overlap.
CHEYNEY, CHARLES is the busiest examiner, with 2 pending actions. That examiner is the clearest coordination point in the docket, while the remaining actions require separate attention from other examiners.
Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.
Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.
| Bucket | Cases |
|---|---|
| §101 + other | 1 (25%) |
| §102 only | 1 (25%) |
| §112 only | 1 (25%) |
| Multi-statute (no §101) | 1 (25%) |
How the docket's pending cases split across USPTO tech-center bands.
Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| CHEYNEY, CHARLES | 2 | 56.7% | +42.6% |
| BASTIANELLI, JOHN | 1 | 73.4% | +28.2% |
| SHRIEVES, STEPHANIE ALEXANDRA | 1 | 73.0% | +18.7% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 19326303 | SEAL STRUCTURE | BASTIANELLI, JOHN | — |
| 19068944 | FILLING NOZZLE | CHEYNEY, CHARLES | — |
Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 4 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18779942 | SAFETY JOINT | SHRIEVES, STEPHANIE ALEXANDRA | 149d overdue |
| 18505450 | GAS FILLING DEVICE | CHEYNEY, CHARLES | 12d |
| 19326303 | SEAL STRUCTURE | BASTIANELLI, JOHN | — |
| 19068944 | FILLING NOZZLE | CHEYNEY, CHARLES | — |
| Art Unit | Apps |
|---|---|
| 3753 | 2 |
| 3754 | 2 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 19326303 | SEAL STRUCTURE | BASTIANELLI, JOHN | 3753 | §103§112 | Non-Final OA | — | Pending | Sep 11, 2025 |
| 19068944 | FILLING NOZZLE | CHEYNEY, CHARLES | 3754 | §101§103Other | Non-Final OA | — | Pending | Mar 03, 2025 |
| 18779942 | SAFETY JOINT | SHRIEVES, STEPHANIE ALEXANDRA | 3753 | §112 | Non-Final OA | 149d overdue | Pending | Jul 22, 2024 |
| 18505450 | GAS FILLING DEVICE | CHEYNEY, CHARLES | 3754 | §102 | Final Rejection | 12d | Pending | Nov 09, 2023 |
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Start Free TrialTatsuno Corporation has 4 pending office actions as of October 2026, spread across 2 art units and 3 examiners.
Charles Cheyney has the most, with 2 of Tatsuno Corporation's pending office actions.
Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.
