Prosecution Insights
Last updated: August 18, 2026

Examiner: ROSENAU, DEREK JOHN

Tech Center 3700 • Art Units: 2834 2837 3746

This examiner grants 78% of resolved cases

Performance Statistics

77.6%
Allow Rate
+7.6% vs TC avg
1,276
Total Applications
+8.0%
Interview Lift
1069
Avg Prosecution Days
Based on 1257 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
26.4%
§102 Novelty
54.2%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18181609 ACTUATOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18142276 VIBRATION TYPE ACTUATOR CAPABLE OF REDUCING CHANGE IN FORCE GENERATED BETWEEN CONTACT BODY AND VIBRATING BODY, MULTI-AXIS STAGE, ARTICULATED ROBOT, AND DEVICE Non-Final OA CANON KABUSHIKI KAISHA
18458758 Resonator Device Non-Final OA SEIKO EPSON CORPORATION
18170121 MICRO ELECTRO MECHANICAL SYSTEMS SENSOR AND METHOD FOR MANUFACTURING THE SAME Non-Final OA DENSO CORPORATION
18295789 METHODS AND SYSTEMS FOR A MODIFIED DEMATCHING LAYER Non-Final OA GE Precision Healthcare LLC
18189388 Bulk Acoustic Wave (BAW) Microresonator Package Non-Final OA Texas Instruments Incorporated
17488891 STAIR STEP FRAME STRUCTURES IN PIEZOELECTRIC RESONATORS Final Rejection TEXAS INSTRUMENTS INCORPORATED
18136578 FLEXIBLE-PIEZOELECTRIC SENSORS MADE WITH THIN RIBBON CERAMICS AND TRANSITION METAL DICHALCOGENIDES Non-Final OA CORNING INCORPORATED
18536303 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18369895 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18450121 ULTRASONIC MOTOR Non-Final OA Murata Manufacturing Co., Ltd.
18341775 ACOUSTIC WAVE DEVICE, FILTER DEVICE, AND METHOD OF MANUFACTURING ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
17691488 PIEZOELECTRIC ELEMENT AND METHOD FOR PRODUCING THE SAME Non-Final OA Murata Manufacturing Co., Ltd.
18140251 PIEZOELECTRIC COMPOSITE MATERIAL, ACTUATOR, AND PREPARATION METHOD OF ACTUATOR Non-Final OA NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS

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