Prosecution Insights
Last updated: April 19, 2026

Examiner: FREAY, CHARLES GRANT

Tech Center 3700 • Art Units: 3746

This examiner grants 77% of resolved cases

Performance Statistics

77.1%
Allow Rate
+7.1% vs TC avg
1262
Total Applications
+30.8%
Interview Lift
1126
Avg Prosecution Days
Based on 1240 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
20.3%
§102 Novelty
34.7%
§103 Obviousness
34.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19210510 ROTARY COMPRESSOR HAVING FLAT MUFFLER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18398858 BELLOWS FAILURE DETECTION FOR A PUMP Non-Final OA Halliburton Energy Services, Inc.
17088934 COMPACT ELECTRIC HYDRAULIC FRACTURING TRAILER Final Rejection U.S. Well Services, LLC
19238919 Method for Operating a Vacuum Pump, as well as a Vacuum Pump Designed for this Purpose with Two Inlets and One Outlet, its Use and Vacuum Packaging Machines Equipped Therewith Non-Final OA Busch Produktions GmbH
19032347 Vortex Compressor Non-Final OA Robert Bosch GmbH
18583488 SYSTEMS AND METHODS OF UTILIZATION OF A HYDRAULIC FRACTURING UNIT PROFILE TO OPERATE HYDRAULIC FRACTURING UNITS Non-Final OA BJ Energy Solutions, LLC
19118697 ELECTRIC COMPRESSOR Non-Final OA SANDEN CORPORATION
19105515 VARIABLE DISPLACEMENT OIL PUMP AND METHOD FOR PRODUCING VARIABLE DISPLACEMENT OIL PUMP Non-Final OA HITACHI ASTEMO, LTD.
18688104 DEVICE AND METHOD FOR CONTROLLING OPERATIONAL VIBRATIONS OF A PUMP OR PUMP ASSEMBLY Final Rejection GRUNDFOS HOLDING A/S
18026041 BIOCARPET: A LOW PROFILE, MECHANICALLY OPTIMIZED, AND FULLY BIODEGRADABLE ENDOVASCULAR DEVICE FOR TREATMENT OF PERIPHERAL VASCULAR DISEASES Non-Final OA UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
18681365 AIR FILTRATION ASSEMBLY Non-Final OA UFI INNOVATION CENTER S.R.L.
18426133 SINGLE STAGE RECIPROCATING PISTON COMPRESSOR WITH COOLING Non-Final OA I-JACK TECHNOLOGIES INCORPORATED
18266431 CANNULATION SYSTEMS AND METHODS Non-Final OA Vitara Biomedical, Inc.
18033528 DRUG DELIVERY BALLOON CATHETER Non-Final OA THE CHLOROPLASTPTE. LTD.

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