Prosecution Insights
Last updated: October 27, 2026

Nigel H Plumb, USPTO Patent Examiner

Listed by the USPTO as PLUMB, NIGEL H

Tech Center 3700 • Art Units: 2855 2861 3723

This examiner grants 91% of resolved cases

Analysis

PLUMB, NIGEL H is assigned to technology center 3700 and art unit 2855. The profile covers 696 resolved cases, with an allowance rate of 90.7%. The substantial record and high rate show a strong allowance tendency across the resolved matters.

The median time to allowance is 776 days. Interview lift is 1.1%, indicating only a slight positive association between interviews and allowance. The overall allowance rate is therefore more informative than interview activity when planning prosecution.

The recurring companies are Seiko Epson Corporation, NEC Corporation, and Illinois Tool Works Inc. The listed firms are Knobbe, Martens, Olson & Bear, LLP, BACHMAN & LAPOINTE, P.C., and BOYLE FREDRICKSON S.C. Practitioners may prioritize well-structured written submissions and use interviews for discrete issues rather than as the primary driver of outcome.

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

Performance Statistics

90.7%
Allow Rate
+20.7% vs TC avg
739
Total Applications
+1.1%
Interview Lift
776
Avg Prosecution Days
Based on 696 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
29.3%
§102 Novelty
39.9%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18673586 INERTIAL SENSOR MODULE, INERTIAL MEASUREMENT UNIT, AND ELECTRONIC APPARATUS Final Rejection SEIKO EPSON CORPORATION
18374161 SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM Final Rejection NEC Corporation
18827238 DUAL ELECTRICAL POWER SUPPLIES FOR A HYDRAULIC ACTUATOR SYSTEM Non-Final OA ILLINOIS TOOL WORKS INC.
18521818 SEALING TEST CABINET FOR BATTERY PACK Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18730089 METHOD AND SYSTEM FOR DETECTION OF LEAKAGES IN PROCESS INDUSTRY Non-Final OA BASF SE
18623456 MICRO-ELECTROMECHANICAL DEVICES Non-Final OA Honeywell International Inc.
18787922 LEAK DETECTION THROUGH REPURPOSED FAN TACHOMETER OUTPUT Non-Final OA DELL PRODUCTS L.P.
18641413 SENSORS AND METHODS FOR MANUFACTURING SENSORS Non-Final OA SHENZHEN SHOKZ CO., LTD.
18841102 PULSE WAVE SENSOR Non-Final OA MINEBEA MITSUMI Inc.
18695147 BURIED PIPE ASSESSMENTS (CONDITION ASSESSMENT AND MATERIAL IDENTIFICATION) BASED ON STRESS WAVE PROPAGATION Final Rejection Drexel University

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Frequently Asked Questions

What is examiner Nigel H Plumb's allowance rate?

90.7% of resolved applications examined by Nigel H Plumb were allowed (696 resolved cases), compared with 76.8% across Art Unit 2855 over the last five years.

Does an interview help with examiner Nigel H Plumb?

This examiner's interview lift is +1.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nigel H Plumb take to allow a patent?

Applications allowed by Nigel H Plumb took 776 days on average from filing to allowance.

Which art unit does examiner Nigel H Plumb work in?

Nigel H Plumb examines applications in Art Unit 2855 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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