Prosecution Insights
Last updated: May 29, 2026

Examiner: CHONG, JASON Y

Tech Center 1700 • Art Units: 1772

This examiner grants 74% of resolved cases

Performance Statistics

73.9%
Allow Rate
+8.9% vs TC avg
419
Total Applications
+16.5%
Interview Lift
809
Avg Prosecution Days
Based on 394 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
1.2%
§102 Novelty
71.2%
§103 Obviousness
14.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18576716 HIGHLY STRUCTURED, HIGH VINYLIDENE PROPYLENE OLIGOMER AND METHOD OF MAKING Non-Final OA CHEVRON U.S.A. INC.
18427445 SOUR GAS FEED HEAT INTEGRATION WITH ACID GAS PRODUCTION IN GAS SWEETENING TRAINS Non-Final OA SAUDI ARABIAN OIL COMPANY
18214777 METHOD FOR PREPARING AROMATIC HYDROCARBON-RICH PYROLYTIC OIL BY CATALYTIC PYROLYSIS OF WASTE MASK Non-Final OA TIANJIN UNIVERSITY
17632092 REVERSE FLOW REACTOR WITH RECUPERATIVE REVERSE-FLOW FEED CYCLE Non-Final OA ExxonMobil Technology and Engineering Company
18866135 METHOD FOR PRODUCING SUSTAINABLE FUEL VIA CARBON MONOXIDE Final Rejection TOTALENERGIES ONETECH
18116181 Systems and Methods for Preparing Butenes Non-Final OA Battelle Memorial Institute
18407880 PERFORMANCE IMPROVEMENTS IN THE PRODUCTION OF LIQUEFIED PETROLEUM GAS (LPG) HYDROCARBONS FROM SYNTHESIS GAS Non-Final OA GTI Energy
18905984 HYDROCARBON UPGRADING PROCESS CONTROL Non-Final OA UOP LLC
18710960 RENEWABLE JET PRODUCTION FROM CATALYTIC PYROLYSIS FEEDSTOCK Non-Final OA IFP ENERGIES NOUVELLES
17781086 Alkyl-Demethylation Processes and Catalyst Compositions Therefor Non-Final OA ExxonMobil Chemical Patents Inc.
18365938 Process for Removing Benzene from a Heart-Cut Reformate Non-Final OA SINOPEC Shanghai Research Institute of Petrochemical Technology Co., Ltd.
18445319 PROCESS AND CATALYSTS FOR THE PRODUCTION OF ETHYLENE AND PROPYLENE FROM LOW-CARBON SYNGAS Final Rejection Greyrock Technology, LLC

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