Technology area: Medical Devices & Mechanical Engineering
1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready
Chang-Tzu Chen maintains a focused presence in the Medical Devices & Mechanical Engineering technology area. The company currently has 1 pending office action. This action is being handled by a distinct examiner within 1 distinct art unit. This indicates a very specific and singular point of interaction with the patent office at this time. This concentration allows for a streamlined approach to patent strategy, as the applicant only needs to navigate the specific requirements of the involved administrative unit.
DANIEL, ANTARIUS S is the busiest examiner for this portfolio, managing 1 busiest examiner pending office action. Since there is only a single pending action in total, this examiner is responsible for the company's entire active prosecution. Practitioners should focus on the specific requirements of this examiner and the 1 distinct art unit involved to move the application toward allowance. The lack of diversity in examiners and units means that the outcome of this specific action will significantly impact the company's current patent standing. Understanding the specific examination history and preferences of this official is crucial for successfully advancing the company's intellectual property interests in the medical device field.
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 |
|---|---|
| Multi-statute (no §101) | 1 (100%) |
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 |
|---|---|---|---|
| DANIEL, ANTARIUS S | 1 | 52.0% | +14.4% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18598146 | FREEZE-DRY POWDER INJECTOR RESTORING DEVICE | DANIEL, ANTARIUS S | — |
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 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18598146 | FREEZE-DRY POWDER INJECTOR RESTORING DEVICE | DANIEL, ANTARIUS S | — |
| Art Unit | Apps |
|---|---|
| 3783 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18598146 | FREEZE-DRY POWDER INJECTOR RESTORING DEVICE | DANIEL, ANTARIUS S | 3783 | §102§112 | Non-Final OA | — | Pending | Mar 07, 2024 |
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Start Free TrialChang-Tzu Chen has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.
Antarius S Daniel has the most, with 1 of Chang-Tzu Chen's pending office actions.
Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.