Prosecution Insights
Last updated: August 18, 2026

Examiner: KING, BRIAN M

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 70% of resolved cases

Performance Statistics

70.2%
Allow Rate
At TC average
875
Total Applications
+23.8%
Interview Lift
1123
Avg Prosecution Days
Based on 828 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
9.0%
§102 Novelty
45.5%
§103 Obviousness
38.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18513633 LIQUID HYDROGEN SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18473663 GAS SUPPLY SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18689966 MODULATING AND CONDITIONING WORKING FLUIDS Non-Final OA BAE SYSTEMS plc
18968704 HIGH-PURITY OXYGEN PRODUCTION METHOD, AND AIR SEPARATION DEVICE FOR PRODUCING HIGH-PURITY OXYGEN Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18276846 DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18276603 DEVICE AND METHOD FOR REFRIGERATION OR LIQUEFACTION OF A FLUID Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18018614 FACILITY AND METHOD FOR REFRIGERATING A FLUID Final Rejection L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
17896953 PROCESS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION WITH SUPPLEMENT LIQUID NITROGEN Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
17631953 HEAT EXCHANGER SYSTEM AND METHOD Final Rejection SHELL OIL COMPANY
18694715 METHOD FOR THE CRYOGENIC SEPARATION OF AIR, AND AIR SEPARATION PLANT Non-Final OA Linde GmbH
19003644 METHODS AND CONFIGURATION FOR RETROFITTING NGL PLANT FOR HIGH ETHANE RECOVERY Non-Final OA FLUOR TECHNOLOGIES CORPORATION
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.
17168770 METHOD AND SYSTEM FOR DECARBONIZED LNG PRODUCTION Non-Final OA Honeywell LNG LLC

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