Prosecution Insights
Last updated: April 19, 2026

Examiner: MORRIS, DAVID R.

Tech Center 3600 • Art Units: 3616 3659

This examiner grants 82% of resolved cases

Performance Statistics

82.1%
Allow Rate
+30.1% vs TC avg
545
Total Applications
+13.7%
Interview Lift
791
Avg Prosecution Days
Based on 508 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
35.0%
§102 Novelty
31.8%
§103 Obviousness
29.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18414825 ELECTRONIC HYDRAULIC BRAKE APPARATUS Non-Final OA HYUNDAI MOBIS CO., LTD.
18088023 ACTUATOR FOR VEHICLE BRAKE Final Rejection HYUNDAI MOBIS Co., Ltd.
18203946 DAMPING INSERT LOCATOR FOR A ROTOR CORE TOOL AND A BRAKE ROTOR EMPLOYING THE SAME Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18254855 METHOD FOR CONTROLLING A BRAKE SYSTEM AND BRAKE SYSTEM FOR MOTOR VEHICLES Final Rejection Continental Automotive Technologies GmbH
18018183 DAMPING VALVE AND SHOCK ABSORBER Non-Final OA KYB Corporation
18551237 ELECTROHYDRAULIC DUAL-CIRCUIT POWER BRAKE SYSTEM Non-Final OA Robert Bosch GmbH
18462615 ELECTRONICALLY SLIP-CONTROLLABLE POWER BRAKE SYSTEM Final Rejection Robert Bosch GmbH
18546652 ELECTROMECHANICAL BRAKE SYSTEM FOR A MOTOR VEHICLE, AND CORRESPONDING CONTROL METHOD Non-Final OA Robert Bosch GmbH
18254048 ACTUATION DEVICE FOR A BRAKE SYSTEM Final Rejection Robert Bosch GmbH
18484995 AIRCRAFT BRAKING SYSTEM Non-Final OA AIRBUS OPERATIONS LIMITED
18401334 ACTUATOR UNIT AND ELECTRO-MECHANICAL DRUM BRAKE INCLUDING THE SAME Non-Final OA HL MANDO CORPORATION
18270205 ELECTRIC BRAKE SYSTEM Final Rejection HL MANDO CORPORATION
18209053 BRAKE SHOE HAVING CONTACT FACE WITH VARIABLE WIDTH Non-Final OA HL MANDO CORPORATION
18102701 PISTON FOR A BRAKE SYSTEM AND BRAKE SYSTEM Non-Final OA HL MANDO CORPORATION
18091696 BRAKE ASSEMBLY AND METHOD FOR OPERATING A BRAKE ASSEMBLY FOR A VEHICLE WHEEL Non-Final OA HL MANDO CORPORATION
18550158 BRAKE DISC Final Rejection NIPPON STEEL CORPORATION
18573037 DRUM BRAKE AND BRAKING MEMBER Non-Final OA Hitachi Astemo, Ltd.
18567066 DISC BRAKE AND PAD SPRING Non-Final OA HITACHI ASTEMO, LTD.
18283078 CONTROL APPARATUS FOR BRAKE APPARATUS, METHOD FOR CONTROLLING BRAKE APPARATUS, AND BRAKE APPARATUS Non-Final OA Hitachi Astemo, Ltd.
18513352 CONTROL FOR AN ELECTROMECHANICAL BRAKE ACTUATOR Non-Final OA GOODRICH CORPORATION
18264929 BRAKE CONTROL DEVICE AND MOTOR DRIVE DEVICE Non-Final OA FANUC CORPORATION
18356847 Integrated Brake Apparatus of Vehicle and Vehicle Non-Final OA Shenzhen Yinwang Intelligent Technologies Co., Ltd.
18573768 BRAKE PAD UNIT AND A METHOD OF MANUFACTURE OF A BRAKE PAD UNIT Non-Final OA TRIBOL BRAKING LIMITED
18502518 BRAKE SYSTEMS WITH A PLURALITY OF SINGLE-CHAMBER MASTER CYLINDERS Non-Final OA ZF Active Safety US Inc.
18480333 DISC BRAKE FOR RAILWAY VEHICLES Non-Final OA POLI S.R.L
18299338 METHOD AND APPARATUS FOR CALCULATING THE RUNNING CLEARANCE OF A DISC BRAKE Final Rejection Meritor Heavy Vehicle Braking Systems (UK) Limited
18234726 TRACTOR TRAILER WITH SELF-CONTAINED BRAKE RELEASE CAPABILITIES FOR AUTONOMOUS YARD SHIFTING Non-Final OA Airgo IP, LLC
18215624 RETARDER DEVICES AND METHODS FOR SHIMMING RETARDER DEVICES FOR SLOWING RAILCARS Non-Final OA Precision Rail and Mfg., Inc.
18327517 TRAILED VEHICLE HAVING A BRAKE SYSTEM Non-Final OA Dexter Axle Company LLC
18022527 LEAF SPRING THAT PROVIDES MULTIPLE SPRING RATES Non-Final OA OLGUN CELIK SANAYI VE TICARET ANONIM SIRKETI

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