Prosecution Insights
Last updated: October 25, 2026

Nihon Seizuki Kogyo Co. Ltd.

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

Analysis

Nihon Seizuki Kogyo Co. Ltd. has 1 pending office action in the Medical Devices & Mechanical Engineering technology area. This single action is being processed within 1 distinct art unit, which indicates a focused technical area for the company's current patent application. The 1 pending action is assigned to 1 distinct examiner, MACFARLANE, EVAN H, who is the only examiner currently reviewing the company's workload.

MACFARLANE, EVAN H is the busiest examiner for the portfolio, as they are responsible for the 1 pending office action. This specific action represents the entirety of the company's active prosecution at the USPTO. The use of 1 distinct art unit suggests a streamlined examination process within a single specialized division. For the practitioner, this means the outcome of the current portfolio is entirely dependent on the specific review and feedback of this 1 examiner within that 1 art unit.

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

Portfolio Summary

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

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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

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
1
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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MACFARLANE, EVAN H 1 50.7% +42.3%

Hard Cases (1)

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 #TitleExaminerDue in
18684553 SHEET PROCESSING DEVICE, CUTTING BLADE WEAR DETERMINATION DEVICE, CUTTING BLADE WEAR DETERMINATION METHOD, AND PROGRAM MACFARLANE, EVAN H —

Interview Candidates (1)

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 #TitleExaminerDue in
18684553 SHEET PROCESSING DEVICE, CUTTING BLADE WEAR DETERMINATION DEVICE, CUTTING BLADE WEAR DETERMINATION METHOD, AND PROGRAM MACFARLANE, EVAN H —

Top Art Units

Art UnitApps
3724 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18684553 SHEET PROCESSING DEVICE, CUTTING BLADE WEAR DETERMINATION DEVICE, CUTTING BLADE WEAR DETERMINATION METHOD, AND PROGRAM MACFARLANE, EVAN H 3724 §103§112 Final Rejection — Pending Feb 16, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Nihon Seizuki Kogyo Co. Ltd. have?

Nihon Seizuki Kogyo Co. Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Nihon Seizuki Kogyo Co. Ltd. applications?

Evan H Macfarlane has the most, with 1 of Nihon Seizuki Kogyo Co. Ltd.'s pending office actions.

What technology area are Nihon Seizuki Kogyo Co. Ltd.'s patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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