Prosecution Insights
Last updated: May 29, 2026

Komatsu Ltd.

39 pending office actions • 23 art units • 37 examiners • 0 of 39 (0%) have an AI response strategy ready • 102 patents granted in the last 365 days

Portfolio Summary

39
Total Pending OAs
23
Non-Final OAs
14
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 38 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

19
Overdue
3
Due this week
13
Due this month
2
Due in next 60 days
1
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 38 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (19)Due ≤ 7 days (3)Due ≤ 30 days (13)Due ≤ 60 days (2)Due later (1)

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 (5%)
36
Medium (92%)
1
Easy (3%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only2 (5%)
§103 only30 (77%)
§102 only6 (15%)
§112 only1 (3%)

Industry Mix

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

0
Life Sciences
0% of docket
1
Information Tech
3% of docket
1
Communications
3% of docket
0
Semiconductors
0% of docket
36
Mechanical / Eng
92% of docket
1
Business / Other
3% 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.

390 h
Manual time on pending OAs
78 h
Time saved (low, 20%)
136 h
Time saved (mid, 35%)
3.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, NGA X 2 77.7% +6.4%
HASSANIARDEKANI, HAJAR 2 90.9% -16.7%
YANG, WENYUAN 1 68.6% +17.5%
HATCH, DAVID P 1 76.5% +12.5%
ARTHUR JEANGLAUDE, GERTRUDE 1 92.9% +4.4%
FREJD, RUSSELL WARREN 1 91.3% +7.4%
HAN, CHARLES J 1 68.6% +42.9%
NGUYEN, ROBERT T 1 83.0% +10.1%
LANGHORNE, NICHOLAS PATRICK 1 85.7% +0.0%
BROWN, SARA GRACE 1 27.9% +31.1%

Quick Wins (6)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18716532 DISPLAY SYSTEM AND DISPLAY METHOD NGUYEN, ROBERT T 15d overdue
18723950 CONTROL SYSTEM, LOADING MACHINE, AND CONTROL METHOD FREJD, RUSSELL WARREN 5d overdue
18861761 CONTROL DEVICE, CONTROL METHOD, AND WORKING MACHINE HASSANIARDEKANI, HAJAR 2d overdue
18865007 WORK MACHINE, SYSTEM INCLUDING WORK MACHINE, AND METHOD OF CONTROLLING WORK MACHINE LANGHORNE, NICHOLAS PATRICK 5d
18861820 CONTROL DEVICE, CONTROL METHOD, AND WORK MACHINE HASSANIARDEKANI, HAJAR 12d
18271051 SPRINKLING VEHICLE MANAGEMENT SYSTEM, SPRINKLING VEHICLE, AND SPRINKLING VEHICLE MANAGEMENT METHOD ARTHUR JEANGLAUDE, GERTRUDE 26d

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
18032835 SAFETY EVALUATION SYSTEM AND SAFETY EVALUATION METHOD LIN, ABBY YEE 190d overdue
18857241 REFORESTATION PLANNING DEVICE, REFORESTATION SYSTEM, AND REFORESTATION PLANNING METHOD BROWN, SARA GRACE 28d

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18716532 DISPLAY SYSTEM AND DISPLAY METHOD NGUYEN, ROBERT T 15d overdue
18994212 WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE HATCH, DAVID P 28d
18857241 REFORESTATION PLANNING DEVICE, REFORESTATION SYSTEM, AND REFORESTATION PLANNING METHOD BROWN, SARA GRACE 28d
18994775 SYSTEM INCLUDING WORK MACHINE AND METHOD OF CONTROLLING WORK MACHINE YANG, WENYUAN 29d
18724469 CONTROL SYSTEM, LOADING MACHINE, AND CONTROL METHOD HAN, CHARLES J 30d

Top Art Units

Art UnitApps
3669 4
3666 3
3667 2
3668 2
3661 2
3662 2
3665 2
3763 2
3613 2
3664 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18994775 SYSTEM INCLUDING WORK MACHINE AND METHOD OF CONTROLLING WORK MACHINE YANG, WENYUAN 3667 §103 Non-Final OA 29d Pending Jan 15, 2025
18994212 WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE HATCH, DAVID P 3668 §102 Non-Final OA 28d Pending Jan 14, 2025
18271051 SPRINKLING VEHICLE MANAGEMENT SYSTEM, SPRINKLING VEHICLE, AND SPRINKLING VEHICLE MANAGEMENT METHOD ARTHUR JEANGLAUDE, GERTRUDE 3661 §102 Non-Final OA 26d Pending Jan 02, 2025
18876286 WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE NGUYEN, NGA X 3662 §103 Non-Final OA 5d overdue Pending Dec 18, 2024
18723950 CONTROL SYSTEM, LOADING MACHINE, AND CONTROL METHOD FREJD, RUSSELL WARREN 3661 §102 Non-Final OA 5d overdue Pending Dec 12, 2024
18724469 CONTROL SYSTEM, LOADING MACHINE, AND CONTROL METHOD HAN, CHARLES J 3665 §103 Non-Final OA 30d Pending Dec 03, 2024
18716532 DISPLAY SYSTEM AND DISPLAY METHOD NGUYEN, ROBERT T 3619 §103 Non-Final OA 15d overdue Pending Nov 18, 2024
18865007 WORK MACHINE, SYSTEM INCLUDING WORK MACHINE, AND METHOD OF CONTROLLING WORK MACHINE LANGHORNE, NICHOLAS PATRICK 3666 §103 Non-Final OA 5d Pending Nov 12, 2024
18861761 CONTROL DEVICE, CONTROL METHOD, AND WORKING MACHINE HASSANIARDEKANI, HAJAR 3669 §103 Non-Final OA 2d overdue Pending Oct 30, 2024
18861820 CONTROL DEVICE, CONTROL METHOD, AND WORK MACHINE HASSANIARDEKANI, HAJAR 3669 §103 Non-Final OA 12d Pending Oct 30, 2024
18857241 REFORESTATION PLANNING DEVICE, REFORESTATION SYSTEM, AND REFORESTATION PLANNING METHOD BROWN, SARA GRACE 3625 §101 Final Rejection 28d Pending Oct 16, 2024
18717797 WORK MACHINE HINCAPIE SERNA, GUSTAVO A 3763 §112 Non-Final OA 13d Pending Jun 07, 2024
18716720 WELDED STRUCTURE AND WORK VEHICLE COOK, KYLE A §103 Non-Final OA Pending Jun 05, 2024
18716176 REMOTE OPERATION SYSTEM OF WORK MACHINE AND REMOTE OPERATION METHOD FOR WORK MACHINE PENKO, JOSHUA JEFFREY 3667 §102 Final Rejection 43d overdue Pending Jun 04, 2024
18716206 CONSTRUCTION MANAGEMENT SYSTEM AND CONSTRUCTION MANAGEMENT METHOD SHIN, SOO JUNG 2667 §103 Non-Final OA 5d Pending Jun 04, 2024
18714152 CAB AND WORK MACHINE FISHER, VICTORIA HICKS 3786 §103 Final Rejection 39d Pending May 29, 2024
18702897 ELECTRIC EXCAVATOR BRENNER, WILLIAM RICHARD 3613 §103 Non-Final OA 70d Pending Apr 19, 2024
18699695 CONTROL DEVICE OF WORK MACHINE SCHOECH, ASHLEY TIFFANY 3669 §103 Non-Final OA 128d overdue Pending Apr 09, 2024
18697073 WORK VEHICLE NEYZARI, MOHAMMAD OMID 3613 §103 Non-Final OA 33d Pending Mar 29, 2024
18694158 WORK MACHINE, AND METHOD AND SYSTEM FOR CONTROLLING WORK MACHINE NGUYEN, CUONG H 3664 §103 Non-Final OA 5d Pending Mar 21, 2024
18691510 WORK VEHICLE GURARI, EREZ 3615 §102 Non-Final OA 21d Pending Mar 13, 2024
18590191 OPERATION MANAGEMENT SYSTEM TROOST, AARON L 3666 §102 Final Rejection 22d overdue Pending Feb 28, 2024
18685279 SOFTWARE UPDATING SYSTEM, WORKING MACHINE, AND SOFTWARE UPDATING METHOD HURUY, FEVEN HABTEMARIAM 2191 §103 Non-Final OA 32d overdue Pending Feb 21, 2024
18681138 CONSTRUCTION MACHINE STABLEY, MICHAEL R 3611 §103 Non-Final OA 8d Pending Feb 05, 2024
18422553 TRAVELING CONTROL SYSTEM MCCLEARY, CAITLIN RENEE 3669 §103 Final Rejection 53d overdue Pending Jan 25, 2024
18417608 MANAGEMENT SYSTEM AND TRAVELING CONTROL SYSTEM DO, TRUC M 3658 §103 Final Rejection 17d overdue Pending Jan 19, 2024
18579974 WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE JONES, GORDON A 3763 §103 Non-Final OA 28d Pending Jan 17, 2024
18578928 ARMREST STRUCTURE GABLER, PHILIP F 3636 §103 Final Rejection 22d Pending Jan 12, 2024
18572322 CONTROL SYSTEM OF WORK MACHINE, WORK MACHINE, AND METHOD OFCONTROLLING WORK MACHINE HINTON, HENRY R 3665 §103 Final Rejection 56d overdue Pending Dec 20, 2023
18287471 DISPLAY DEVICE KHUU, IRENE C 3664 §103 Final Rejection 96d overdue Pending Oct 19, 2023
18284163 TRAVEL SYSTEM FOR WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE LEE, TYLER J 3663 §103 Non-Final OA 46d overdue Pending Sep 26, 2023
18273793 LOUVER AND CHARGING DEVICE GIORDANO, MICHAEL JAMES 3762 §103 Final Rejection 22d Pending Jul 24, 2023
18258905 WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE ALGEHAIM, MOHAMED A 3668 §103 Non-Final OA 112d overdue Pending Jun 22, 2023
18032835 SAFETY EVALUATION SYSTEM AND SAFETY EVALUATION METHOD LIN, ABBY YEE 3657 §101 Non-Final OA 190d overdue Pending Apr 20, 2023
18044441 WORK VEHICLE CONTROL SYSTEM, WORK VEHICLE CONTROL METHOD, AND WORK VEHICLE NGUYEN, NGA X 3662 §103 Final Rejection 100d overdue Pending Mar 08, 2023
18008243 WORK MACHINE TSUI, ALFRED H 3671 §103 Final Rejection 28d overdue Pending Dec 05, 2022
17922639 WORK MACHINE REMOTE CONTROL SYSTEM PARK, KYLE S 3666 §103 Final Rejection 79d overdue Pending Nov 01, 2022
17776250 WORK MACHINE, WEIGHING METHOD, AND SYSTEM INCLUDING WORK MACHINE CASTRO, PAUL A 3658 §103 Final Rejection 28d Pending May 12, 2022
17426672 SYSTEM AND METHOD FOR CONTROLLING WORK MACHINE SANTOS, AARRON EDUARDO 3663 §103 Non-Final OA 104d overdue Pending Jul 29, 2021

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