Prosecution Insights
Last updated: April 19, 2026

Examiner: CHU, YONG LIANG

Tech Center 1700 • Art Units: 1621 1626 1629 1672 1731

This examiner grants 75% of resolved cases

Performance Statistics

74.8%
Allow Rate
+9.8% vs TC avg
1458
Total Applications
+3.4%
Interview Lift
935
Avg Prosecution Days
Based on 1414 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
20.6%
§102 Novelty
33.8%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18310968 METHOD FOR CONVERTING CARBON DIOXIDE WITH RED MUD CATALYST COMPOSITION Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18302167 METHODS OF PREPARING CRACKING CATALYSTS FROM CLAY MINERAL COMPOSITIONS AND STEAM ENHANCED CATALYTIC CRACKING OF CRUDE OIL TO PETROCHEMICALS Non-Final OA King Fahd University of Petroleum and Minerals
18007947 Method of Preparing Superabsorbent Polymer Final Rejection LG Chem, Ltd.
18082279 METHOD FOR PRODUCING CATALYST FOR ELECTROCHEMICAL REACTION THAT CAN BE SIZED INTO FINE PARTICLES Final Rejection KIA CORPORATION
17904552 Methods of Making Metal-Organic Framework Composites Final Rejection ExxonMobil Technology and Engineering Company
18199554 LIQUID CARBON DIOXIDE CAPTURING FILTER SYSTEM AND METHOD Non-Final OA Purdue Research Foundation
17801941 CARBON DIOXIDE CAPTURE PROCESS USING HYDROGELS Final Rejection Commonwealth Scientific and Industrial Research Organisation
18247237 Methods and Systems for Improving Catalytic Activities of Nanoparticles Final Rejection The Board of Trustees of the Leland Stanford Junior University
17785332 BUOYANT HOLLOW PARTICLES COMPOSTION AND METHOD Non-Final OA Solventum Intellectual Properties Company
18833039 CERAMIC THERMAL SPRAY PARTICLES AND METHOD FOR FORMING THERMAL BARRIER COATING LAYER Final Rejection MITSUBISHI HEAVY INDUSTRIES, LTD.
18015263 ADSORBENT AND GRANULATED SUBSTANCE Final Rejection The University of Tokyo
18277709 NANOCARBON MATERIAL DISPERSION COMPOSITION Non-Final OA DAICEL CORPORATION
17891153 Amidoxime Functionalized Polymers Loaded with Alkyl Amines, Methods of Making, And CO2 Capture Using Same Final Rejection Battelle Memorial Institute
18375859 AMMONIA PRODUCTION PROCESS Non-Final OA L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procédés Georges Claude
18246840 METHOD FOR FORMING A POROUS STRUCTURE, POROUS STRUCTURE AND USE Non-Final OA TEKNOLOGIAN TUTKIMUSKESKUS VTT OY
18244673 CLEAN WATER RECIRCULATION FOR STEAM PRODUCTION IN ROTATING PACKED BED DESORBER SYSTEM Non-Final OA GTI ENERGY
18211693 IONIC LIQUID COMPOSITIONS FOR SELECTIVE REMOVAL OF SODIUM AND POTASSIUM FROM LITHIUM-CONTAINING AQUEOUS SOLUTIONS Final Rejection UT-Battelle, LLC
18250322 Process For Producing Hydrogen From CO-rich Gases Final Rejection TOPSOE A/S
18198101 ZSM-35 MOLECULAR SIEVE AND PRODUCTION METHOD THEREFOR, ISOMERIZATION CATALYST AND PRODUCTION METHOD THEREFOR, AND ISOMERIZATION METHOD Non-Final OA PetroChina Company Limited
18551450 SCR CATALYST COMPRISING ZEOLITIC MATERIAL HAVING AFT FRAMEWORK STRUCTURE AND SYNTHESIS OF THE SAME Non-Final OA BASF Corporation
18271277 METHOD TO CONTROL SYNGAS COMPOSITION FROM AN ENGINE-BASED SYNGAS GENERATOR Non-Final OA Research Triangle Institute
18198160 METHOD FOR GENERATING A GRANULAR, GREEN SORBENT MEDIA FOR FILTRATION OF CONTAMINATED WATER BY PROCESSING ALUMINUM-BASED DRINKING WATER TREATMENT RESIDUALS Non-Final OA THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY
18250320 SILICON-ALUMINUM MOLECULAR SIEVE CATALYST, AND PREPARATION AND APPLICATION THEREOF Non-Final OA SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
18248878 CHEMICAL-TYPE HYDROCRACKING CATALYST, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF Non-Final OA SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
18270714 METHOD FOR REGULATING ELECTRON MOBILITY OF ZINC OXIDE Final Rejection TCL TECHNOLOGY GROUP CORPORATION
18265297 METHOD AND SYSTEM FOR THE MATERIAL UTILIZATION OF HYDROGEN Final Rejection HYDROGENIOUS LOHC TECHNOLOGIES GMBH
18252630 EXHAUST GAS PURIFICATION SYSTEM FOR STOICHIOMETRIC-COMBUSTION ENGINES Non-Final OA UMICORE AG & CO. KG
18039569 GOLD-SUPPORTED CARBON CATALYST AND METHOD FOR MANUFACTURING SAME Non-Final OA THE DOSHISHA
18033921 CATALYST SUPPORT Non-Final OA JEMMTEC LIMITED
18176636 DEGRADABLE ADSORBENT AND METHOD OF REMOVING IMPURITY FROM FLUID Non-Final OA Kureha America, Inc.

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