Prosecution Insights
Last updated: October 27, 2026

Charles Riley Brawner, USPTO Patent Examiner

Listed by the USPTO as BRAWNER, CHARLES RILEY

Tech Center 3700 • Art Units: 1711 2812 3761 3762

This examiner grants 76% of resolved cases

Analysis

BRAWNER, CHARLES RILEY works in Tech Center 3700 and art unit 1711, with 201 resolved cases. The allowance rate is 76.1%, and the median time to allowance is 1120 days. The interview lift is 10.7%, indicating a positive association between interviews and allowance.

The listed companies are LG Electronics Inc., Airbus Operations GmbH, and Mahle International GmbH. The listed firms are Cantor Colburn LLP - Collins Aerospace, FisherBroyles, LLP, and GREER, BURNS & CRAIN, LTD. The record supports a measured prosecution plan, with interviews useful as a supplement to technically focused claim amendments and responses.

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

Performance Statistics

76.1%
Allow Rate
+6.1% vs TC avg
233
Total Applications
+10.7%
Interview Lift
1120
Avg Prosecution Days
Based on 201 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.6%
§102 Novelty
50.0%
§103 Obviousness
27.6%
§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
18294544 HOT-WATER SUPPLY APPARATUS Final Rejection Mitsubishi Electric Corporation
18601614 CONTROLLING A FUME HOOD AIRFLOW USING AN IMAGE OF A FUME HOOD OPENING Final Rejection Honeywell International Inc.
18295903 SISIC MEMBER AND HEATING DEVICE Final Rejection AGC Inc.
18395487 AIRFLOW CONTROL SYSTEM AND AIRFLOW CONTROL METHOD Final Rejection SEMES CO., LTD.

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Frequently Asked Questions

What is examiner Charles Riley Brawner's allowance rate?

76.1% of resolved applications examined by Charles Riley Brawner were allowed (201 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Charles Riley Brawner?

This examiner's interview lift is +10.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles Riley Brawner take to allow a patent?

Applications allowed by Charles Riley Brawner took 1,120 days on average from filing to allowance.

Which art unit does examiner Charles Riley Brawner work in?

Charles Riley Brawner examines applications in Art Unit 1711 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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