Prosecution Insights
Last updated: October 02, 2026

Examiner: KING, BRIAN M

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 70% of resolved cases

Analysis

Brian M King is a patent examiner working in Tech Center 3700 and Art Unit 3744. This examiner has reached a final disposition in 834 resolved cases, which establishes the statistical foundation for their current prosecution metrics. These 834 resolved cases provide insight into the examiner's approach to patent applications within Art Unit 3744 and Tech Center 3700.

The data shows an allowance rate of 70.1 percent, reflecting the proportion of applications that are successfully granted. The median days to allowance for these cases is 1122. This duration of 1122 days represents the typical timeline for reaching a favorable outcome under this examiner's review. The 70.1 percent allowance rate suggests a strong likelihood of success for applications that meet the necessary requirements.

The interview lift for this examiner is 23.8 percent. This 23.8 percent lift indicates that engaging in a direct dialogue with the examiner is associated with an increase in the probability of allowance compared to the baseline rate of 70.1 percent. Given the median days to allowance of 1122, the 23.8 percent interview lift offers a strategic opportunity for practitioners to potentially improve their results through active communication.

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

Performance Statistics

70.1%
Allow Rate
At TC average
881
Total Applications
+23.8%
Interview Lift
1122
Avg Prosecution Days
Based on 834 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
9.0%
§102 Novelty
45.5%
§103 Obviousness
38.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18135792 PRECURSOR VESSEL COOLING ASSEMBLY, SYSTEM INCLUDING THE ASSEMBLY, AND METHODS OF USING SAME Final Rejection ASM IP Holding B.V.
18689966 MODULATING AND CONDITIONING WORKING FLUIDS Non-Final OA BAE SYSTEMS plc
18593161 CRYOGENIC SYSTEM INCLUDING INTEGRATED CRYOCOOLER AND DILUTION REFRIGERATOR Final Rejection Maybell Quantum Industries, Inc.
18694715 METHOD FOR THE CRYOGENIC SEPARATION OF AIR, AND AIR SEPARATION PLANT Non-Final OA Linde GmbH
19211262 JOULE-THOMSON CRYOCOOLER Non-Final OA Sumitomo Heavy Industries, Ltd.
19018768 OPEN LOOP LIQUEFACTION PROCESS WITH NGL RECOVERY Non-Final OA Honeywell LNG LLC
17168770 METHOD AND SYSTEM FOR DECARBONIZED LNG PRODUCTION Non-Final OA Honeywell LNG LLC
18607928 APPARATUS AND PROCESS FOR PROVIDING NITROGEN AND OXYGEN Non-Final OA Air Products and Chemicals, Inc.
18234620 Apparatus and Process for Pre-Liquefaction Fluid Processing for Improved Liquefaction Operations Final Rejection Air Products and Chemicals, Inc.

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