Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, LILLIAN T

Tech Center 3600 • Art Units: 3615 3655 3659

This examiner grants 84% of resolved cases

Analysis

Lillian T. Nguyen serves in Art Unit 3615 in Tech Center 3600. The examiner has 719 resolved cases and an allowance rate of 84.0 percent. This percentage shows the frequency of successful outcomes for applicants. The 719 resolved cases offer a view of the examiner's tendencies.

The median days to allowance is 762. The data also includes an interview lift of 14.0 percent. This figure indicates the improvement in allowance chances when an interview is conducted. The 762 days median is a metric for estimating the duration of prosecution in Art Unit 3615.

The 84.0 percent allowance rate suggests that the examiner is receptive to patent claims. The 14.0 percent interview lift provides an additional path to success. These statistics are vital for practitioners operating in Tech Center 3600.

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

Performance Statistics

84.0%
Allow Rate
+32.0% vs TC avg
755
Total Applications
+14.0%
Interview Lift
762
Avg Prosecution Days
Based on 719 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
28.2%
§102 Novelty
36.2%
§103 Obviousness
30.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17719845 DRIVELINE ARRANGEMENT Non-Final OA VOLVO CONSTRUCTION EQUIPMENT AB
18324383 ELECTRICALLY OPERABLE DRIVE TRAIN AND VEHICLE Final Rejection ZF Friedrichshafen AG
19225663 CLUTCH DEVICE WITH REVERSE INPUT BLOCKING FUNCTION Final Rejection HYUNDAI MOBIS CO., LTD.
18904850 BRAKE DEVICE AND VEHICLE INCLUDING THE SAME Non-Final OA HYUNDAI MOBIS CO., LTD.
19154036 FREEWHEEL-AXIAL BEARING ASSEMBLY, AND TORQUE CONVERTER Non-Final OA Schaeffler Technologies AG & Co. KG
18840193 MULTI-PISTON DISENGAGEMENT SYSTEM FOR A BRAKING DEVICE OF A MOTOR VEHICLE AND BRAKING DEVICE FOR A TRANSMISSION ASSEMBLY OF A MOTOR VEHICLE WITH THE MULTI-PISTON DISENGAGEMENT SYSTEM Non-Final OA Schaeffler Technologies AG & Co. KG
18688876 ELECTRIC BRAKE APPARATUS AND DRIVE UNIT Non-Final OA Hitachi Astemo, Ltd.
18690077 DISK BRAKE Final Rejection Hitachi Astemo, Ltd.
18689888 CYLINDER DEVICE Non-Final OA HITACHI ASTEMO, LTD.
18689886 SHOCK ABSORBER Final Rejection HITACHI ASTEMO, LTD.
18607572 BRAKE PISTON AND BRAKE SYSTEM INCLUDING THE SAME Final Rejection HL MANDO CORPORATION
18415228 FLOATING BRAKE CALIPER HAVING PLATE SHAPE SECTION FOR RESTING AGAINST BRAKE PAD AS WELL AS TOOL AND METHOD FOR MACHINING THE SAME Non-Final OA HL MANDO CORPORATION
18220511 CONTROL DEVICE FOR HUMAN-POWERED VEHICLE Non-Final OA Shimano Inc.
18840002 SHOCK-ABSORBING MATERIAL AND METHOD FOR MANUFACTURING SAME Non-Final OA Mitsui Chemicals, Inc.

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