Prosecution Insights
Last updated: October 02, 2026

Examiner: BRAWNER, CHARLES RILEY

Tech Center 3700 • Art Units: 1711 2812 3761 3762

This examiner grants 76% of resolved cases

Analysis

Charles Riley Brawner, an examiner in Tech Center 3700, has resolved 199 cases. His allowance rate pct of 75.9% in Art Unit 1711 is quite high, suggesting a favorable environment for applicants. The median days to allowance is 1119, which is a standard duration for the prosecution process in this technical area.

The interview lift pct of 11.2 indicates that interviews are a productive way to resolve issues and move applications toward a grant. While the 75.9% allowance rate is already strong, the 11.2% lift shows that direct communication remains a valuable strategy. With 199 resolved cases, the data is reliable and provides a good basis for planning. Practitioners should account for the 1119-day median timeline and use interviews as a tactical tool to ensure the best possible outcome for their clients.

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

Performance Statistics

75.9%
Allow Rate
+5.9% vs TC avg
227
Total Applications
+11.2%
Interview Lift
1119
Avg Prosecution Days
Based on 199 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
18.6%
§102 Novelty
51.1%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18618755 CEILING AIR CONDITIONER Non-Final OA LG Electronics Inc.
18392393 HVAC HOUSING TO REDUCE NOISE AND VIBRATIONS Non-Final OA MAHLE INTERNATIONAL GMBH
18677207 INDIVIDUAL AIR SUPPLY DUCT AND INDIVIDUAL AIR SUPPLY ASSEMBLY Non-Final OA Airbus Operations GmbH
18294544 HOT-WATER SUPPLY APPARATUS Final Rejection Mitsubishi Electric Corporation
18693761 Blower, Ventilation Device, Vehicle Seat or Battery System, Manufacturing Method and Equipment Non-Final OA Gentherm GmbH
18601614 CONTROLLING A FUME HOOD AIRFLOW USING AN IMAGE OF A FUME HOOD OPENING Final Rejection Honeywell International Inc.
18581791 AIRCRAFT ENVIRONMENTAL CONTROL SYSTEM Non-Final OA Hamilton Sundstrand Corporation
18411835 FEATURE FOR SUBFREEZING HEAT EXCHANGER Non-Final OA Hamilton Sundstrand Corporation
18336601 EXHAUST AIRFLOW DIRECTION CONTROL Final Rejection PLUME DESIGN, INC.
18740253 Climate Chamber Non-Final OA Binder GmbH
18659698 SECURING BRACKET FOR MAINTAINING A POSITION OF FLEXIBLE CONDUIT WITHIN A WATER HEATING APPLIANCE Non-Final OA BRADFORD WHITE CORPORATION

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