Prosecution Insights
Last updated: August 18, 2026

Examiner: BUTLER, KEVIN C

Tech Center 3700 • Art Units: 2852 2862 3781 3797

This examiner grants 90% of resolved cases

Performance Statistics

89.5%
Allow Rate
+19.5% vs TC avg
943
Total Applications
+8.8%
Interview Lift
677
Avg Prosecution Days
Based on 926 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
32.8%
§102 Novelty
57.5%
§103 Obviousness
5.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18402118 CORE FLOODING FOR ELECTRICALLY IMPROVED OIL RECOVERY STUDY Non-Final OA Saudi Arabian Oil Company
18751478 OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING APPARATUS, AND OPTICAL FIBER SENSING METHOD Non-Final OA NEC Corporation
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
18822328 METHOD OF PAYLOAD ESTIMATION AND ROBOT ARM SYSTEM AND ELECTRONIC DEVICE USING THE SAME Non-Final OA Delta Electronics, Inc.
18776195 TRANSPARENT ULTRASOUND PROBE MODULE AND OPTICAL APPARATUS HAVING THE SAME Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18755238 METHODS AND APPARATUS TO FORM AN IMAGE WITH DYNAMIC DELAY AND GAIN BEAMFORMING Non-Final OA Texas Instruments Incorporated
18819304 ARTICLE AND METHOD FOR ACCURATELY POSITIONING OPTICAL TIP-TIMING PROBE Non-Final OA RTX Corporation
18404915 METHOD FOR DETECTING ENVIRONMENTAL PARAMETER IN SEMICONDUCTOR FABRICATION FACILITY Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18702023 A TESTING EQUIPMENT AND METHOD FOR TESTING A SUSCEPTOR ARRANGEMENT IN SIMULATED HEATING CONDITIONS Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18466113 METHOD OF EVALUATING SEPARATION MEMBRANE MODULE Non-Final OA NGK INSULATORS, LTD.
18903181 WHEEL MONITORING SYSTEM AND METHOD Non-Final OA The Goodyear Tire & Rubber Company
18677670 SENSOR DATA PEAK TRACKING Non-Final OA STMicroelectronics International N.V.
18756416 ENHANCED MODES FOR SCANNING ACOUSTIC MICROSCOPE INSPECTION IN SEMICONDUCTOR INSPECTION Non-Final OA KLA Corporation
18579435 CONNECTION UNIT, VIBRATION-TUBE MODULE, AND MODULAR MEASURING DEVICE FOR DETERMINING THE DENSITY OF A MEASUREMENT MEDIUM Final Rejection Endress+Hauser Flowtec AG
18811865 DEFECT INSPECTION METHOD AND APPARATUS FOR ELECTRONIC DEVICES Non-Final OA ASMPT Singapore Pte. Ltd.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month