Technology area: Medical Devices & Mechanical Engineering
6 pending office actions • 3 art units • 5 examiners • 0 of 6 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days
HYDAC Technology GmbH has 6 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 5 examiners across 3 art units, showing meaningful activity with some examiner concentration. This distribution calls for both centralized portfolio oversight and attention to the differing examination contexts.
LESLIE, MICHAEL S is the busiest examiner, with 2 pending matters. The remaining workload is spread among other examiners, so any recurring position in the matters assigned to Leslie should be evaluated for possible relevance to related applications, without treating it as a portfolio-wide rule.
The three-art-unit structure suggests that similar mechanical or medical concepts may be examined under different technical frameworks. Counsel should maintain a clear distinction between common specification support and claim-specific responses, while tracking how amendments affect related filings.
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 |
|---|---|
| §103 only | 1 (17%) |
| §112 only | 1 (17%) |
| Multi-statute (no §101) | 4 (67%) |
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 |
|---|---|---|---|
| LESLIE, MICHAEL S | 2 | 81.3% | +14.4% |
| LEARY, JOSHUA DENNIS | 1 | 90.0% | +12.5% |
| LU, HAOTIAN | 1 | 61.8% | +35.3% |
| ZOLLINGER, NATHAN C | 1 | 69.6% | +40.0% |
| DURDEN, RICHARD KYLE | 1 | 60.9% | +29.0% |
Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18849696 | Piston Accumulator | LESLIE, MICHAEL S | — |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 19110504 | Method | LESLIE, MICHAEL S | — |
| 18853300 | Expansion Device | LEARY, JOSHUA DENNIS | — |
| 18699995 | Bellows Accumulator | LU, HAOTIAN | — |
| 18022354 | PISTON ACCUMULATOR | DURDEN, RICHARD KYLE | — |
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 6 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 19110504 | Method | LESLIE, MICHAEL S | — |
| 18853300 | Expansion Device | LEARY, JOSHUA DENNIS | — |
| 18849696 | Piston Accumulator | LESLIE, MICHAEL S | — |
| 18699995 | Bellows Accumulator | LU, HAOTIAN | — |
| 18571424 | Hydraulic Accumulator | ZOLLINGER, NATHAN C | — |
| 18022354 | PISTON ACCUMULATOR | DURDEN, RICHARD KYLE | — |
| Art Unit | Apps |
|---|---|
| 3753 | 3 |
| 3745 | 2 |
| 3746 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 19110504 | Method | LESLIE, MICHAEL S | 3745 | §102§112 | Non-Final OA | — | Pending | Mar 11, 2025 |
| 18853300 | Expansion Device | LEARY, JOSHUA DENNIS | 3753 | §102§103 | Non-Final OA | — | Pending | Oct 01, 2024 |
| 18849696 | Piston Accumulator | LESLIE, MICHAEL S | 3745 | §112 | Non-Final OA | — | Pending | Sep 23, 2024 |
| 18699995 | Bellows Accumulator | LU, HAOTIAN | 3753 | §102§103§112 | Non-Final OA | — | Pending | Apr 10, 2024 |
| 18571424 | Hydraulic Accumulator | ZOLLINGER, NATHAN C | 3746 | §103 | Final Rejection | — | Pending | Dec 18, 2023 |
| 18022354 | PISTON ACCUMULATOR | DURDEN, RICHARD KYLE | 3753 | §103§112 | Non-Final OA | — | Pending | Feb 21, 2023 |
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Start Free TrialHYDAC Technology GmbH has 6 pending office actions as of October 2026, spread across 3 art units and 5 examiners.
Michael S Leslie has the most, with 2 of HYDAC Technology GmbH's pending office actions.
Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.