Prosecution Insights
Last updated: October 27, 2026

Kelsey E Baller, USPTO Patent Examiner

Listed by the USPTO as BALLER, KELSEY E

Tech Center 3700 • Art Units: 3642 3785

This examiner grants 62% of resolved cases

Analysis

BALLER, KELSEY E works in Tech Center 3700 and Art Unit 3642. The profile contains 216 resolved cases, a 62.5% allowance rate, and a median of 1136 days to allowance. The record indicates a moderate case history, with allowances occurring in a majority of cases and a median timeline that calls for active docket management.

The interview lift is 58.6%, giving interviews a prominent role in prosecution planning. The listed companies are Koninklijke Philips N.V., RESMED Pty Ltd., and Sarcos Corp. The leading firms are Acuity Law Group, P.C., Fredrikson & Byron, P.A., and Gurr & Brande, PLLC. Practitioners may use interviews to test claim amendments before adopting them in the written record.

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

Performance Statistics

62.5%
Allow Rate
-7.5% vs TC avg
250
Total Applications
+58.6%
Interview Lift
1136
Avg Prosecution Days
Based on 216 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
18.9%
§102 Novelty
49.2%
§103 Obviousness
27.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18549574 FULL-FACE PATIENT INTERFACE Final Rejection ResMed Pty Ltd
18408444 Conveyance Systems for A Maneuverable Walk-About Platform for A Robotic Upper Exoskeleton Final Rejection Sarcos Corp.
18756158 CLEANABLE AND RE-USEABLE HEAT AND MOISTURE EXCHANGER Non-Final OA KONINKLIJKE PHILIPS N.V.
18215247 CONTROLLING THE EVAPORATION RATE OF A HUMIDIFIER WITH ADAPTIVE POWER CONTROL AND METHOD Final Rejection KONINKLIJKE PHILIPS N.V.
17765189 DIRECTING A FLOW OF IRRIGATION FLUID TOWARDS PERIODONTAL POCKETS IN A SUBJECT'S MOUTH Non-Final OA KONINKLIJKE PHILIPS N.V.
17490105 CPAP DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18466424 INTEGRATED FASTENER COMPONENTS FOR DETACHABLE STRAP COMPONENT CONFIGURATION IN RESPIRATORY PROTECTIVE DEVICE Final Rejection HONEYWELL SAFETY PRODUCTS USA, INC.
18706418 GAS DELIVERY SYSTEM AND ASSOCIATED METHOD Non-Final OA Philip Morris Products S.A.
18492779 SYSTEMS AND METHODS FOR DETERMINING A DEGREE OF DEGRADATION OF A USER INTERFACE Final Rejection ResMed Digital Health Inc.
18405224 WEARABLE HEALTH MANAGEMENT SYSTEM Non-Final OA Welch Allyn, Inc.
18533236 MASSAGE THERAPY DEVICE Final Rejection SHENZHEN KAIYAN MEDICAL EQUIPMENT CO., LTD

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Frequently Asked Questions

What is examiner Kelsey E Baller's allowance rate?

62.5% of resolved applications examined by Kelsey E Baller were allowed (216 resolved cases), compared with 67.2% across Art Unit 3642 over the last five years.

Does an interview help with examiner Kelsey E Baller?

This examiner's interview lift is +58.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kelsey E Baller take to allow a patent?

Applications allowed by Kelsey E Baller took 1,136 days on average from filing to allowance.

Which art unit does examiner Kelsey E Baller work in?

Kelsey E Baller examines applications in Art Unit 3642 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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