Prosecution Insights
Last updated: October 25, 2026

Sumitomo Precision Products Co., Ltd.

Technology areas: Semiconductors, Circuits & Optics • Medical Devices & Mechanical Engineering

7 pending office actions • 6 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Sumitomo Precision Products Co., Ltd. has 7 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 7 distinct examiners and 6 distinct art units, showing that nearly every action follows a separate examiner path while one technical classification contains more than one matter.

BOBISH, CHRISTOPHER S is the busiest examiner, with 1 pending matter. The profile does not show examiner concentration, so counsel can focus on the individual prosecution records and use the art-unit grouping to identify any shared technical concerns. A lightweight portfolio process should be sufficient for the available docket.

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

Portfolio Summary

7
Total Pending OAs
6
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.

4
Hard (57%)
3
Medium (43%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
Multi-statute (no §101)4 (57%)

Industry Mix

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

1
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
29% of docket
4
Mechanical / Eng
57% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BOBISH, CHRISTOPHER S 1 62.6% +29.0%
CARY, KELSEY E 1 75.0% +24.8%
WEILAND, HANS R. 1 56.2% +12.7%
GAMINO, CARLOS J 1 35.3% +45.7%
ROJOHN III, CLAIRE E 1 66.6% +18.1%
AZAM, MUHAMMED 1 86.8% +11.1%
WOODWARD, NATHANIEL T 1 84.8% +14.0%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18851766 Sensor Apparatus AZAM, MUHAMMED —
18889504 Sensor Apparatus WOODWARD, NATHANIEL T —

Hard Cases (4)

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 #TitleExaminerDue in
19165666 SPOOL VALVE CARY, KELSEY E —
19107658 Boiling-Cooler and Boiling-Cooler Production Method WEILAND, HANS R. —
19107226 Brazing Apparatus and Assembly-Brazing Method GAMINO, CARLOS J —
18899330 Boiling-Cooler Production Method and Boiling Cooler ROJOHN III, CLAIRE E —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
19475758 HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING HYDRAULIC SYSTEM BOBISH, CHRISTOPHER S —
19165666 SPOOL VALVE CARY, KELSEY E —
19107658 Boiling-Cooler and Boiling-Cooler Production Method WEILAND, HANS R. —
19107226 Brazing Apparatus and Assembly-Brazing Method GAMINO, CARLOS J —
18899330 Boiling-Cooler Production Method and Boiling Cooler ROJOHN III, CLAIRE E —
18851766 Sensor Apparatus AZAM, MUHAMMED —
18889504 Sensor Apparatus WOODWARD, NATHANIEL T —

Top Art Units

Art UnitApps
3763 2
3746 1
3753 1
1735 1
2847 1
2855 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19475758 HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING HYDRAULIC SYSTEM BOBISH, CHRISTOPHER S 3746 §103 Non-Final OA — Pending Oct 16, 2025
19165666 SPOOL VALVE CARY, KELSEY E 3753 §102§103§112 Non-Final OA — Pending Sep 16, 2025
19107658 Boiling-Cooler and Boiling-Cooler Production Method WEILAND, HANS R. 3763 §102§103 Non-Final OA — Pending Feb 28, 2025
19107226 Brazing Apparatus and Assembly-Brazing Method GAMINO, CARLOS J 1735 §103§112 Final Rejection — Pending Feb 27, 2025
18899330 Boiling-Cooler Production Method and Boiling Cooler ROJOHN III, CLAIRE E 3763 §102§103§112 Non-Final OA — Pending Sep 27, 2024
18851766 Sensor Apparatus AZAM, MUHAMMED 2847 §103 Non-Final OA — Pending Sep 27, 2024
18889504 Sensor Apparatus WOODWARD, NATHANIEL T 2855 §103 Non-Final OA — Pending Sep 19, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Sumitomo Precision Products Co., Ltd. have?

Sumitomo Precision Products Co., Ltd. has 7 pending office actions as of October 2026, spread across 6 art units and 7 examiners.

Which USPTO examiner handles the most Sumitomo Precision Products Co., Ltd. applications?

Christopher S Bobish has the most, with 1 of Sumitomo Precision Products Co., Ltd.'s pending office actions.

What technology area are Sumitomo Precision Products 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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