Prosecution Insights
Last updated: October 26, 2026

Charles S Laughlin, USPTO Patent Examiner

Listed by the USPTO as LAUGHLIN, CHARLES S

Tech Center 3600 • Art Units: 2117 2837 2838 2846 3614

This examiner grants 77% of resolved cases

Analysis

LAUGHLIN, CHARLES S is associated with Tech Center 3600 and art unit 2117. The record includes 399 resolved cases, an allowance rate of 76.7%, and a median of 1099 days to allowance. Interviews correspond to a 9.2% lift in the allowance rate. Practitioners can use these measures to structure expectations about prosecution duration and determine whether an interview should supplement a written response.

The listed companies are Hitachi Ltd., Stryker Corporation, and MILWAUKEE ELECTRIC TOOL Corporation. The listed firms are VOLPE KOENIG, BIRCH STEWART KOLASCH & BIRCH, LLP, and Buchanan Ingersoll & Rooney PC. These appearances identify counsel and applicants with experience in the docket. The profile can inform portfolio review and counsel selection, but the cited art and claim language in each application remain the basis for substantive strategy.

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

Performance Statistics

76.7%
Allow Rate
+24.7% vs TC avg
444
Total Applications
+9.2%
Interview Lift
1099
Avg Prosecution Days
Based on 399 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
33.0%
§102 Novelty
52.9%
§103 Obviousness
9.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17051216 OVERLOAD CONTROL IN A POWER TOOL Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18954680 Patient Transport Apparatus With Auxiliary Wheel Control Systems Non-Final OA Stryker Corporation
18605143 COOLING SYSTEM AND MOVING OBJECT Final Rejection HONDA MOTOR CO., LTD.
18992750 MOTOR CONTROL DEVICE Non-Final OA FUJITSU GENERAL LIMITED
17272067 TREATING A WIND TURBINE DRIVE TRAIN Final Rejection Siemens Gamesa Renewable Energy A/S
18834451 PORTABLE ROBOT FOR SEMICONDUCTOR EQUIPMENT MAINTENANCE TASKS Non-Final OA Lam Research Corporation
18850079 LINEAR MOTOR DRIVE DEVICE AND LINEAR MOTOR Non-Final OA Mitsubishi Electric Corporation
18644625 Methods and Systems for Controlling a Transport System Non-Final OA Siemens Aktiengesellschaft
17534649 SYSTEMS AND METHODS FOR HEATING BATTERIES Final Rejection Rivian IP Holdings, LLC
18278214 NUMERICAL CONTROLLER Final Rejection Fanuc Corporation
18877370 MOTOR CONTROL DEVICE Non-Final OA Hitachi Astemo, Ltd.
18687959 Device for Controlling Motor and Method Therefor Final Rejection Hitachi Astemo, Ltd.
19032985 AUTONOMOUS MOBILE ROBOT FOR MANUFACTURING A VEHICLE Non-Final OA GM Global Technology Operations LLC

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Frequently Asked Questions

What is examiner Charles S Laughlin's allowance rate?

76.7% of resolved applications examined by Charles S Laughlin were allowed (399 resolved cases), compared with 59.5% across Art Unit 2117 over the last five years.

Does an interview help with examiner Charles S Laughlin?

This examiner's interview lift is +9.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles S Laughlin take to allow a patent?

Applications allowed by Charles S Laughlin took 1,099 days on average from filing to allowance.

Which art unit does examiner Charles S Laughlin work in?

Charles S Laughlin examines applications in Art Unit 2117 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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