Prosecution Insights
Last updated: October 02, 2026

Makino Milling Machine Co., Ltd.

Technology area: Medical Devices & Mechanical Engineering

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Makino Milling Machine Co., Ltd. currently manages 3 pending office actions within the Medical Devices & Mechanical Engineering technology area. These 3 pending office actions indicate the level of ongoing activity in the company's patent portfolio. The prosecution work is distributed across 3 distinct examiners, which means the company interacts with 3 different officials. With 3 distinct examiners involved, the portfolio is subject to a variety of individual scrutiny.

The company's applications are situated within 3 distinct art units. This distribution across 3 distinct art units reflects the technical scope for the pending matters within the medical devices and mechanical engineering sectors. VITALE, MICHAEL J is identified as the busiest examiner for this portfolio, currently overseeing 1 pending office action. Because VITALE, MICHAEL J is responsible for the 1 pending office action, the workload is spread across the various examiners. This distribution means that the busiest examiner manages 1 of the active patent applications, preventing a high concentration of matters under a single official.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

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.

2
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

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.

2
Hard (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only1 (33%)
Multi-statute (no §101)2 (67%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
100% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
VITALE, MICHAEL J 1 67.2% +34.7%
HOTCHKISS, MICHAEL WAYNE 1 69.5% +49.6%
DION, MARCEL T 1 40.8% +37.1%

Hard Cases (2)

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 #TitleExaminerDue in
18553050 BELT PROCESSING DEVICE DION, MARCEL T 42d overdue
18687775 HOLE MACHINING METHOD, CONTROL DEVICE, AND MACHINE TOOL VITALE, MICHAEL J —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18553050 BELT PROCESSING DEVICE DION, MARCEL T 42d overdue
18570997 ROTARY TABLE AND MACHINE TOOL EQUIPPED THEREWITH HOTCHKISS, MICHAEL WAYNE 3d overdue
18687775 HOLE MACHINING METHOD, CONTROL DEVICE, AND MACHINE TOOL VITALE, MICHAEL J —

Top Art Units

Art UnitApps
3722 1
3726 1
3723 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18687775 HOLE MACHINING METHOD, CONTROL DEVICE, AND MACHINE TOOL VITALE, MICHAEL J 3722 §102§112 Non-Final OA — Pending Feb 28, 2024
18570997 ROTARY TABLE AND MACHINE TOOL EQUIPPED THEREWITH HOTCHKISS, MICHAEL WAYNE 3726 §102 Final Rejection 3d overdue Pending Dec 15, 2023
18553050 BELT PROCESSING DEVICE DION, MARCEL T 3723 §102§103§112 Final Rejection 42d overdue Pending Sep 28, 2023

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