Prosecution Insights
Last updated: October 02, 2026

Examiner: BUTLER, KEVIN C

Tech Center 3700 • Art Units: 2852 2855 2862 3781 3797

This examiner grants 90% of resolved cases

Analysis

Kevin C. Butler has 928 resolved cases in Tech Center 3700. The allowance rate is 89.5 percent. The median days to allowance is 678. These 928 resolved cases are the basis for the metrics in Art Unit 2852. The 678-day median provides a timeline for the cases resolved by this examiner and serves as a benchmark for prosecution duration.

The interview lift is 8.8 percent. This metric indicates the change in allowance probability when an interview is conducted. Given the 89.5 percent allowance rate, the 8.8 percent lift is a factor for practitioners to consider. In Tech Center 3700, the lift is a data point for strategy. The 928 resolved cases reflect the examiner's experience with various applications. The 678-day median pendency is a reference for future filings and for planning examiner interactions.

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

Performance Statistics

89.5%
Allow Rate
+19.5% vs TC avg
948
Total Applications
+8.8%
Interview Lift
678
Avg Prosecution Days
Based on 928 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
33.4%
§102 Novelty
57.2%
§103 Obviousness
5.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18791814 PROBE Non-Final OA ROLLS-ROYCE plc.
18747619 PROBE AND METHOD FOR NON-DESTRUCTIVE TESTING OF A COMPONENT Non-Final OA ROLLS-ROYCE plc
18823160 METHOD AND SYSTEM FOR DAMAGE LOCALIZATION USING LOW POWER GUIDED WAVE Non-Final OA Tata Consultancy Services Limited
18819304 ARTICLE AND METHOD FOR ACCURATELY POSITIONING OPTICAL TIP-TIMING PROBE Non-Final OA RTX Corporation
18755238 METHODS AND APPARATUS TO FORM AN IMAGE WITH DYNAMIC DELAY AND GAIN BEAMFORMING Non-Final OA Texas Instruments Incorporated
18677670 SENSOR DATA PEAK TRACKING Non-Final OA STMicroelectronics International N.V.
18702023 A TESTING EQUIPMENT AND METHOD FOR TESTING A SUSCEPTOR ARRANGEMENT IN SIMULATED HEATING CONDITIONS Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18903181 WHEEL MONITORING SYSTEM AND METHOD Non-Final OA The Goodyear Tire & Rubber Company
18756416 ENHANCED MODES FOR SCANNING ACOUSTIC MICROSCOPE INSPECTION IN SEMICONDUCTOR INSPECTION Non-Final OA KLA Corporation
18769231 PROJECTION SCREEN AND PROJECTION APPARATUS Non-Final OA HISENSE LASER DISPLAY CO., LTD
18622219 INDUSTRIAL TRANSMITTER HOUSING AND MOUNT Non-Final OA Rosemount Inc.
18619768 COMPACT THERMAL CONDUCTIVITY HOUSING FOR GAS CHROMATOGRAPH Non-Final OA Rosemount Inc.
18811865 DEFECT INSPECTION METHOD AND APPARATUS FOR ELECTRONIC DEVICES Non-Final OA ASMPT Singapore Pte. Ltd.

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