Prosecution Insights
Last updated: October 26, 2026

Christopher S Kim, USPTO Patent Examiner

Listed by the USPTO as KIM, CHRISTOPHER S

Tech Center 3700 • Art Units: 3752

This examiner grants 63% of resolved cases

Analysis

This examiner works in Tech Center 3700 and Art Unit 3752, with 1143 resolved cases. The allowance rate is 63.3%, and the median time to allowance is 1248 days. The large record shows a moderate allowance outcome and a lengthy median path to allowance, factors that can influence continuation timing and expected prosecution cost.

The interview lift is 21.6%, indicating a meaningful association between interviews and allowance outcomes. Practitioners may consider interviews when the application presents claim issues that can be resolved through direct technical explanation, while preserving a detailed written record. The leading companies are Kidde Technologies Inc., Valeo S.A., and Tyco Fire Products L.P. The leading firms are Cantor Colburn, Foley & Lardner, and VOLPE KOENIG.

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

Performance Statistics

63.3%
Allow Rate
-6.7% vs TC avg
1,196
Total Applications
+21.6%
Interview Lift
1248
Avg Prosecution Days
Based on 1143 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
29.6%
§102 Novelty
24.4%
§103 Obviousness
40.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18443376 LIQUID EJECTION DEVICE Final Rejection SEIKO EPSON CORPORATION
19113056 SYSTEM FOR PROJECTING A CLEANING LIQUID, HAVING VALVE PURGING MEANS Non-Final OA VALEO SYSTEMES D'ESSUYAGE
18042699 FLUID SPRAYING DEVICE FOR CLEANING A SURFACE OF A MOTOR VEHICLE Non-Final OA VALEO SYSTEMES D'ESSUYAGE
18496482 VOLATILE COMPOSITION DISPENSER Final Rejection The Procter & Gamble Company
19106902 CLEANING DEVICE Non-Final OA KOITO MANUFACTURING CO., LTD.
18836589 DEVICE FOR DISPENSING A FLUID PRODUCT Final Rejection APTAR FRANCE SAS
19144066 REMOVABLE SPRINKLER PROTECTION DEVICE Non-Final OA Tyco Fire Products LP
18547137 ELECTRONICALLY ACTIVATED SPRINKLER AIRFLOW SHIFT Final Rejection Tyco Fire Products LP
18344478 SPRINKLER SYSTEM ADAPTERS Final Rejection Tyco Fire Products LP
19141630 APPARATUS FOR AEROSOLISING A LIQUID Non-Final OA 3C PROJECT TECHNOLOGIES LIMITED
19243534 Fire Blanket with Accurate Tossing and Positioning Non-Final OA Ningbo SKL International Co., LTD
19242998 SPRAY NOZZLE FOR NEBULIZER Non-Final OA GUARANY INDÚSTRIA E COMÉRCIO LTDA.
18398639 SYSTEMS AND METHODS FOR DETECTING AND SUPPRESSING VEHICLE TRAILER FIRES Final Rejection Torc Robotics, Inc.

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Frequently Asked Questions

What is examiner Christopher S Kim's allowance rate?

63.3% of resolved applications examined by Christopher S Kim were allowed (1,143 resolved cases), compared with 48.7% across Art Unit 3752 over the last five years.

Does an interview help with examiner Christopher S Kim?

This examiner's interview lift is +21.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher S Kim take to allow a patent?

Applications allowed by Christopher S Kim took 1,248 days on average from filing to allowance.

Which art unit does examiner Christopher S Kim work in?

Christopher S Kim examines applications in Art Unit 3752 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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