Prosecution Insights
Last updated: May 29, 2026

Examiner: ROSENAU, DEREK JOHN

Tech Center 3700 • Art Units: 2834 2837 3746

This examiner grants 77% of resolved cases

Performance Statistics

77.4%
Allow Rate
+7.4% vs TC avg
1,267
Total Applications
+8.3%
Interview Lift
1065
Avg Prosecution Days
Based on 1240 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
11.0%
§102 Novelty
81.1%
§103 Obviousness
4.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17866329 ULTRASONIC LENS CLEANING SYSTEM WITH CALIBRATION Non-Final OA TEXAS INSTRUMENTS INCORPORATED
17488891 STAIR STEP FRAME STRUCTURES IN PIEZOELECTRIC RESONATORS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18181609 ACTUATOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
17804998 Electromechanical Transducer Mount Non-Final OA SIM IP HXR LLC
17932303 ACOUSTIC DEVICES Final Rejection SHENZHEN SHOKZ CO., LTD.
18124592 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18113228 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18067256 RESONANCE DEVICE, COLLECTIVE SUBSTRATE, AND RESONANCE DEVICE MANUFACTURING METHOD Non-Final OA Murata Manufacturing Co., Ltd.
17974322 SUBSTRATE Final Rejection Murata Manufacturing Co., Ltd.
17691488 PIEZOELECTRIC ELEMENT AND METHOD FOR PRODUCING THE SAME Final Rejection Murata Manufacturing Co., Ltd.
17998769 MULTIFUNCTIONAL MULTI-PIEZO MATERIAL HAVING PIEZOELECTRIC PROPERTIES AND MECHANOLUMINESCENCE PROPERTIES, AND MULTIFUNCTIONAL PIEZOELECTRIC BODY, MEMS DEVICE, ROBOT, STRAIN/FATIGUE/DAMAGE DIAGNOSIS DEVICE, AND NON-DESTRUCTIVE INSPECTION METHOD USING SAME Non-Final OA NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
18182379 ULTRASONIC TRANSDUCER MODULE Non-Final OA Qisda Corporation
18188756 ACOUSTIC WAVE DEVICE WITH MULTILAYER INTERDIGITAL TRANSDUCER ELECTRODE Non-Final OA Skyworks Solutions, Inc.
18188808 MULTILAYER INTERDIGITAL TRANSDUCER ELECTRODE FOR SURFACE ACOUSTIC WAVE DEVICE Non-Final OA Skyworks Solutions, Inc.
17938274 MULTILAYER PIEZOELECTRIC SUBSTRATE SURFACE ACOUSTIC WAVE DEVICE WITH SPURIOUS SHIFTING Final Rejection Skyworks Solutions, Inc.
18179071 COMPOSITE SUBSTRATES INCLUDING EPITAXIAL MONOCRYSTALLINE PIEZOELECTRIC LAYERS BONDED TO SUBSTRATES, AND ACOUSTIC WAVE DEVICES FORMED WITH SUCH COMPOSITE SUBSTRATES Non-Final OA Soitec
17767438 Dielectric Transducer, Method for the Production Thereof and Actuator, Sensor or Generator Final Rejection Universität des Saarlandes
17760570 Doubly Rotated Quartz Crystal Resonators With Reduced Sensitivity to Acceleration Non-Final OA Michael Shawn MICILROY

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