Prosecution Insights
Last updated: October 01, 2026

Examiner: MA, KAM WAN

Tech Center 2600 • Art Units: 2612 2681 2686 2688

This examiner grants 63% of resolved cases

Analysis

Kam Wan Ma is an examiner in Tech Center 2600 and Art Unit 2612. The data includes 388 resolved cases for this examiner. Within these 388 resolved cases, the allowance rate is 62.9 percent. This 62.9 percent rate suggests a moderate probability of securing a patent grant. The median days to allowance for this examiner is 1014, which represents the typical time to reach a successful conclusion in Art Unit 2612.

The interview lift is 21.7 percent. This 21.7 percent lift indicates that cases with an interview are significantly more likely to be allowed. For practitioners, this positive lift suggests that an interview is an effective tool for advancing prosecution in Tech Center 2600. The 1014 median days to allowance provides a clear timeline for applicants to follow when planning their strategy.

With 388 resolved cases, the examiner's performance is well-defined. The 62.9 percent allowance rate and the 21.7 percent interview lift are critical metrics for developing a prosecution plan. Practitioners can use the 1014-day median to inform their clients about the expected duration of the process. These figures from Art Unit 2612 offer a data-grounded understanding of the examiner's tendencies.

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

Performance Statistics

62.9%
Allow Rate
+0.9% vs TC avg
416
Total Applications
+21.7%
Interview Lift
1014
Avg Prosecution Days
Based on 388 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
18.4%
§102 Novelty
53.3%
§103 Obviousness
21.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18993430 ELECTRONIC DEVICE PARKING METHOD AND DEVICE USING ULTRA-WIDEBAND COMMUNICATION Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19013510 DISPLAY DEVICE AND DISPLAY METHOD FOR VEHICLE BEHAVIOR Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19002101 AUTOMATED VALET PARKING MANAGEMENT SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18773223 BUILDING MANAGEMENT SYSTEM WITH INTEGRATED ENTITY MANAGEMENT Final Rejection Tyco Fire & Security GmbH
18841424 OCCUPANT AUTHENTICATION APPARATUS, OCCUPANT AUTHENTICATION METHOD, AND COMPUTER-READABLE MEDIUM Final Rejection NEC Corporation
18935489 INTEGRATED SECURITY SYSTEM FOR SUBSTATION MONITORING AND DETECTION USING DISTRIBUTED ACOUSTIC SENSING, DRONES, AND SECURITY CAMERAS Final Rejection NEC Laboratories America, Inc.
18787987 PASSIVE ALARM STATE ADJUSTMENT Non-Final OA CareFusion 303, Inc.

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