Prosecution Insights
Last updated: May 29, 2026

Examiner: DOUNIS, LAERT

Tech Center 3700 • Art Units: 3746 3748

This examiner grants 68% of resolved cases

Performance Statistics

67.9%
Allow Rate
-2.1% vs TC avg
855
Total Applications
+21.3%
Interview Lift
893
Avg Prosecution Days
Based on 839 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
4.4%
§102 Novelty
76.6%
§103 Obviousness
16.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19055025 AMMONIA SLIP CATALYST DEVICE AND UREA INJECTION CONTROL METHOD Non-Final OA Volvo Truck Corporation
18923347 Methods of Modifying Existing Gas Turbine Engine Design to Create a Combined Storage Engine and Simple Cycle Peaker Product Final Rejection Powerphase International, LLC
18686274 Bearing Assembly of a Refrigerant Compressor on a Chassis of a Motor Vehicle, as Well as a Motor Vehicle Non-Final OA Mercedes-Benz Group AG
18942017 Fracturing Device Final Rejection YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
19048494 ANTIROTATION REED VALVE SYSTEMS AND METHODS FOR COMPRESSORS Non-Final OA Copeland LP
18929792 ELECTRIC MOTOR Final Rejection GRUNDFOS HOLDING A/S
19027610 PUMPS Non-Final OA PSG Germany GmbH
19000182 ROTARY POSITIVE DISPLACEMENT DEVICE Non-Final OA Spherical Rotors Inc.
18897329 SADDLE-TYPE VEHICLE Non-Final OA KAWASAKI MOTORS, LTD.
18863868 ROTATING SCREW MACHINE WITH DISCHARGE PLATE Non-Final OA CITY ST GEORGE'S, UNIVERSITY OF LONDON
18862737 POSITIVE-DISPLACEMENT MACHINE ACCORDING TO THE SPIRAL PRINCIPLE Final Rejection OET GMBH
18601700 EXTRACTING GEOTHERMAL ENERGY FROM THIN SEDIMENTARY AQUIFERS Final Rejection Geothermal Technologies, Inc.
18909274 ENERGY GENERATION SYSTEM FOR NON-TRADITIONAL COMBUSTIBLE FLUID SOURCE Final Rejection Trane International Inc.
18691113 Modular High-Performance Turbo-Compression Cooling Non-Final OA Colorado State University Research Foundation

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