Prosecution Insights
Last updated: October 25, 2026

ZF Automotive UK Limited

Technology areas: Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems

9 pending office actions • 7 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 13 patents granted in the last 365 days

Analysis

ZF Automotive UK Limited has 10 pending office actions in Transportation, E-Commerce & Mechanical Systems. The matters span 10 examiners and 8 art units, indicating broad distribution across examination resources and technical groupings.

MASIH, KAREN is the busiest listed examiner, with 1 pending matter. Because no examiner has more than that listed assignment, portfolio management should focus on application-specific deadlines and the requirements of each art unit rather than relying on a dominant examiner relationship.

The distribution may require coordination among practitioners handling different technical issues. Consistent claim terminology and disclosure positions can support portfolio coherence, while response arguments should remain tailored to the examiner and art unit involved. Counsel should also monitor whether related transportation or mechanical concepts receive materially different treatment across the examination groups.

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

Portfolio Summary

9
Total Pending OAs
8
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.

9
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)9 (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
3
Semiconductors
33% of docket
6
Mechanical / Eng
67% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MASIH, KAREN 1 91.0% +6.6%
WILHELM, TIMOTHY 1 78.6% +12.0%
MEDANI, MOHAMED 1 71.1% +26.2%
SONG, DUHYUNG 1 — —
STEFANON, JUSTIN 1 51.1% +48.0%
DANG, TINH 1 85.4% +7.9%
SETZER, NICHOLAS LEE 1 68.2% +41.2%
WILLOUGHBY, TERRENCE RONIQUE 1 80.4% +12.2%
STABLEY, MICHAEL R 1 85.8% +12.7%

Hard Cases (9)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18919921 MOTOR CONTROL METHOD MASIH, KAREN —
18911763 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR WILHELM, TIMOTHY —
18911715 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR MEDANI, MOHAMED —
18769790 DUAL MOTOR HANDWHEEL ACTUATOR ASSEMBLY SONG, DUHYUNG —
18765451 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCOPORATING A MOTOR STEFANON, JUSTIN —
18755863 STEERING ASSEMBLY FOR A VEHICLE DANG, TINH —
18678839 MECHANICAL ASSEMBLY AND A MOTOR FOR USE THEREIN SETZER, NICHOLAS LEE —
18526480 SUPPLY VOLTAGE MONITORING APPARATUS WILLOUGHBY, TERRENCE RONIQUE —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
18911763 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR WILHELM, TIMOTHY —
18911715 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR MEDANI, MOHAMED —
18765451 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCOPORATING A MOTOR STEFANON, JUSTIN —
18678839 MECHANICAL ASSEMBLY AND A MOTOR FOR USE THEREIN SETZER, NICHOLAS LEE —
18526480 SUPPLY VOLTAGE MONITORING APPARATUS WILLOUGHBY, TERRENCE RONIQUE —
18362450 A DUAL MOTOR DRIVE ASSEMBLY STABLEY, MICHAEL R —

Top Art Units

Art UnitApps
3611 3
2837 1
3617 1
3618 1
2834 1
3655 1
2836 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18919921 MOTOR CONTROL METHOD MASIH, KAREN 2837 §102§112 Non-Final OA — Pending Oct 18, 2024
18911763 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR WILHELM, TIMOTHY 3617 §102§103§112 Non-Final OA — Pending Oct 10, 2024
18911715 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCORPORATING A MOTOR MEDANI, MOHAMED 3611 §102§103§112 Non-Final OA — Pending Oct 10, 2024
18769790 DUAL MOTOR HANDWHEEL ACTUATOR ASSEMBLY SONG, DUHYUNG 3618 §103§112 Non-Final OA — Pending Jul 11, 2024
18765451 ELECTRIC MOTOR AND HANDWHEEL ACTUATOR ASSEMBLY INCOPORATING A MOTOR STEFANON, JUSTIN 2834 §102§103 Non-Final OA — Pending Jul 08, 2024
18755863 STEERING ASSEMBLY FOR A VEHICLE DANG, TINH 3655 §102§103§112 Final Rejection — Pending Jun 27, 2024
18678839 MECHANICAL ASSEMBLY AND A MOTOR FOR USE THEREIN SETZER, NICHOLAS LEE 3611 §103§112 Non-Final OA — Pending May 30, 2024
18526480 SUPPLY VOLTAGE MONITORING APPARATUS WILLOUGHBY, TERRENCE RONIQUE 2836 §102§103§112 Non-Final OA — Pending Dec 01, 2023
18362450 A DUAL MOTOR DRIVE ASSEMBLY STABLEY, MICHAEL R 3611 §103§112 Non-Final OA — Pending Jul 31, 2023

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Frequently Asked Questions

How many pending USPTO office actions does ZF Automotive UK Limited have?

ZF Automotive UK Limited has 9 pending office actions as of October 2026, spread across 7 art units and 9 examiners.

Which USPTO examiner handles the most ZF Automotive UK Limited applications?

Karen Masih has the most, with 1 of ZF Automotive UK Limited's pending office actions.

What technology area are ZF Automotive UK Limited's patent applications in?

Mostly Transportation, E-Commerce & Mechanical Systems (USPTO Tech Center 3600), based on where its pending office actions are examined.

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