Prosecution Insights
Last updated: October 27, 2026

Kent N Shum, USPTO Patent Examiner

Listed by the USPTO as SHUM, KENT N

Tech Center 3700 • Art Units: 3722 3723 3772

This examiner grants 38% of resolved cases

Analysis

SHUM, KENT N is assigned to tech center 3700 and art unit 3722. The record contains 130 resolved cases, an allowance rate of 38.5%, and a median of 1278 days to allowance. The 48.3% interview lift is a substantial feature of the profile and exceeds the allowance rate as a percentage measure. Interviews therefore merit careful consideration in prosecution planning, even though the overall allowance rate is limited.

The listed companies are DISCO Corporation, Robert Bosch GmbH, and Applied Materials Inc. The firms are GREER, BURNS & CRAIN, LTD, JCIPRNET, and Abel Schillinger, LLP. The resolved-case total is smaller than a large examiner record, so practitioners should treat the figures as directional. The company and firm names provide context for relevant experience in art unit 3722.

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

Performance Statistics

38.5%
Allow Rate
-31.5% vs TC avg
191
Total Applications
+48.3%
Interview Lift
1278
Avg Prosecution Days
Based on 130 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
18.7%
§102 Novelty
45.6%
§103 Obviousness
34.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18504663 Locking Pliers with Movable Torque-Increasing Jaw Section Final Rejection Milwaukee Electric Tool Corporation
17788197 Hand-Held Power Tool Device, Hand-Held Power Tool having the Hand-Held Power Tool Device, and Accessories having the Hand-Held Power Tool Device Non-Final OA Robert Bosch GmbH
18564079 ELECTRODEPOSITED WIRE FOR SAW WIRE AND METAL WIRE, AND METHOD OF MANUFACTURING ELECTRODEPOSITED WIRE FOR SAW WIRE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18375202 BRUSHES, SYSTEMS, AND METHODS FOR POST-CMP CLEANING OF A SURFACE Final Rejection Illinois Tool Works Inc.
18537166 IMPACT TOOL Final Rejection Nanjing Chervon Industry Co., Ltd.
18414106 BASE STATION AND CLEANING ROBOT SYSTEM Final Rejection BEIJING ROBOROCK TECHNOLOGY CO., LTD.
18292423 POLISHING PAD Final Rejection KURARAY CO., LTD.
18452426 ACOUSTIC MONITORING FOR PROCESS RELIABILITY DURING POLISHING Non-Final OA Applied Materials, Inc.
17126338 GRINDING WHEEL ASSEMBLY Final Rejection SAINT-GOBAIN ABRASIFS
18986744 SEMICONDUCTOR PROCESSING DEVICE AND POLISHING DEVICE Non-Final OA EBARA CORPORATION
18782148 POLISHING APPARATUS Non-Final OA EBARA CORPORATION
18929998 METHOD FOR PROCESSING LAMINATED WAFER Non-Final OA DISCO CORPORATION
18350164 WORKPIECE GRINDING METHOD Non-Final OA DISCO CORPORATION
18186323 GRINDING METHOD OF WAFER Non-Final OA DISCO CORPORATION
17652537 GRINDING APPARATUS Non-Final OA DISCO CORPORATION
18928192 PROCESSING METHOD FOR BOULE AND GRINDING EQUIPMENT Non-Final OA GlobalWafers Co., Ltd.

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Frequently Asked Questions

What is examiner Kent N Shum's allowance rate?

38.5% of resolved applications examined by Kent N Shum were allowed (130 resolved cases), compared with 54.2% across Art Unit 3722 over the last five years.

Does an interview help with examiner Kent N Shum?

This examiner's interview lift is +48.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kent N Shum take to allow a patent?

Applications allowed by Kent N Shum took 1,278 days on average from filing to allowance.

Which art unit does examiner Kent N Shum work in?

Kent N Shum examines applications in Art Unit 3722 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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