Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, CHAU N

Tech Center 2800 • Art Units: 1786 2831 2833 2835 2841 2847

This examiner grants 68% of resolved cases

Analysis

Chau N. Nguyen is an examiner in Tech Center 2800 and Art Unit 1786. The data for this profile is based on 1550 resolved cases. The allowance rate is 68.0 percent, which serves as the baseline probability of success for applications in this portfolio. This rate provides a benchmark for practitioners to evaluate the likelihood of a grant when filing in this unit.

The median days to allowance is 951. This figure represents the time required for an application to reach a grant. Practitioners can use the 951-day timeline to manage client expectations regarding the duration of the prosecution process. This duration reflects the pace of work for the 1550 resolved cases concluded by the examiner.

The interview lift is 14.1 percent. This metric indicates the increase in the allowance rate when an interview is conducted. When compared to the 68.0 percent allowance rate, the 14.1 percent lift suggests that oral advocacy is a productive tool for resolving outstanding issues. For matters in Art Unit 1786, the data indicates that interviews are associated with a higher likelihood of moving a case toward allowance.

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

Performance Statistics

68.0%
Allow Rate
At TC average
1,606
Total Applications
+14.1%
Interview Lift
951
Avg Prosecution Days
Based on 1550 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.0%
§102 Novelty
51.8%
§103 Obviousness
18.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18791872 DATA TRANSMISSION CABLE AND DISPLAY APPARATUS INCLUDING THE SAME Final Rejection LG ELECTRONICS INC.
18398426 LOW-RESISTANCE ENCAPSULATION OF A TUBING ENCAPSULATED CONDUCTOR FOR POWERING EQUIPMENT IN WELLBORE OPERATIONS Final Rejection Halliburton Energy Services, Inc.
19007211 CABLE GLAND WITH COMPRESSION LIMITING ASSEMBLY Non-Final OA Eaton Intelligent Power Limited
18813248 ELECTRONIC DEVICE AND CABLE Final Rejection NIDEC CORPORATION
18963925 MULTI-CORE CABLE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18899143 SHIELDED ELECTRICAL WIRE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18845822 INSULATED ELECTRIC WIRE, WIRING HARNESS, AND METHOD FOR PRODUCING INSULATED ELECTRIC WIRE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18718307 SUPERCONDUCTING WIRE CONNECTION STRUCTURE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18293391 WIRING MEMBER-EQUIPPED ADHEREND Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18875171 WIRING HARNESS Non-Final OA SUMITOMO WIRING SYSTEMS, LTD.
18832689 CABLE Final Rejection Sumitomo Wiring Systems, Ltd.
18730392 SENSOR DEVICE Non-Final OA Sumitomo Wiring Systems, Ltd.
18686029 WIRING SYSTEM AND MULTIPURPOSE WIRING MEMBER Non-Final OA Sumitomo Wiring Systems, Ltd.
18685664 WIRING SYSTEM AND MULTIPURPOSE WIRING MEMBER Non-Final OA Sumitomo Wiring Systems, Ltd.
18917350 HIGH-DENSITY SIGNAL DELIVERY Non-Final OA International Business Machines Corporation
18418694 COUPLED CONDUCTORS IN TWINAX CABLE AND STRIPLINE PRINTED CIRCUIT BOARD FOR SKEW MITIGATION Non-Final OA Cisco Technology, Inc.
18973644 CABLE Non-Final OA FOXCONN INTERCONNECT TECHNOLOGY LIMITED
18900919 CABLE Non-Final OA FOXCONN INTERCONNECT TECHNOLOGY LIMITED
18624193 Busbar with Phase Change Material Non-Final OA TE Connectivity Solutions GmbH
18413104 WIRE SPLICE Final Rejection TE Connectivity Solutions GmbH
18905465 AUXILIARY ELECTRIC SPLICE Non-Final OA Lear Corporation
18978329 WIRE HARNESS ASSEMBLY Non-Final OA Yazaki Corporation
18978686 WIRE HARNESS ASSEMBLY Non-Final OA Yazaki Corporation
18976615 WIRE HARNESS ASSEMBLY Non-Final OA Yazaki Corporation
18413601 COMMUNICATION CABLE AND WIRE HARNESS USING SAME Final Rejection Yazaki Corporation
17457600 ALUMINUM CARBON NANOTUBE (AL-CNT) WIRES IN TRANSMISSION OR DISTRIBUTION LINE CABLES Non-Final OA YAZAKI CORPORATION
18703332 DUAL BUSBAR Final Rejection Lisa Dräxlmaier GmbH
18939682 SUBMARINE POWER CABLE Non-Final OA NKT HV Cables AB
18883378 Power Cable With Layer Having Anisotropic Thermal Conductivity Non-Final OA NKT HV Cables AB
18832536 Power Cable System Having Cable Sections with Different Highest Allowed Conductor Temperature, and A Method for Qualifying a Power Cable System Non-Final OA NKT HV Cables AB

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