Prosecution Insights
Last updated: October 02, 2026

Examiner: FREAY, CHARLES GRANT

Tech Center 3700 • Art Units: 3746 3753

This examiner grants 77% of resolved cases

Analysis

Charles Grant Freay has managed 1260 resolved cases in Tech Center 3700 and Art Unit 3746. He has an allowance rate of 77.0% and a median days to allowance of 1076. This indicates a high volume of work with a generally positive outcome for applicants. The 1260 resolved cases provide a robust data set for these statistics.

The interview lift of 30.5% is a standout figure, suggesting that interviews are effective at moving cases toward allowance. Given the 77.0% baseline, an interview is a powerful tool to resolve outstanding issues. Practitioners should plan for a 1076-day timeline while leveraging the 30.5% interview lift to ensure success. This 30.5% lift is significant when compared to the 77.0% allowance rate, highlighting the importance of oral advocacy.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

77.0%
Allow Rate
+7.0% vs TC avg
1,289
Total Applications
+30.5%
Interview Lift
1076
Avg Prosecution Days
Based on 1260 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
17.0%
§102 Novelty
36.2%
§103 Obviousness
35.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19276431 ROTARY COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME Non-Final OA DAIKIN INDUSTRIES, LTD.
19150251 Air Compressor Non-Final OA Hitachi Industrial Equipment Systems Co., Ltd.
18762742 CRYOPUMP SYSTEM, CRYOPUMP MONITORING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING CRYOPUMP MONITORING PROGRAM Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
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
18876665 ROLLING PISTON ROTARY COMPRESSOR Non-Final OA Diego Willian da Silva
18576413 INTEGRALLY GEARED COMPRESSOR WITH AN AXIAL COMPRESSOR UNIT AND METHOD Non-Final OA NUOVO PIGNONE TECNOLOGIE SRL

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