Prosecution Insights
Last updated: April 19, 2026

Examiner: QIAN, YUN

Tech Center 1700 • Art Units: 1732 1738 1793

This examiner grants 54% of resolved cases

Performance Statistics

54.4%
Allow Rate
-10.6% vs TC avg
1141
Total Applications
+20.3%
Interview Lift
1197
Avg Prosecution Days
Based on 1081 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
16.8%
§102 Novelty
44.3%
§103 Obviousness
26.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18319462 METHOD FOR PREPARING ALUMINOSILICATE SSZ-82 Non-Final OA Chevron U.S.A. Inc.
18036621 Catalyst System And Process Using SSZ-91 And SSZ-95 Non-Final OA CHEVRON U.S.A. INC.
18459577 METHOD FOR PRODUCING HYDROGEN FROM NATURAL GAS Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
17929327 METHOD FOR PRODUCING HALIDE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18064958 Pt-thixantphos-iodine complex and Pt-thixantphos-bromine complex Final Rejection EVONIK OPERATIONS GMBH
17767800 TRANSITION METAL COMPOUND AND CATALYST COMPOSITION COMPRISING THE SAME Non-Final OA LG CHEM, LTD.
18320435 SILICON CARBON COMPOSITE MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
17621117 PROCESSES FOR CATALYTICALLY COATING SCAFFOLDS Non-Final OA COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
18378618 COMPOUNDS AND METHODS FOR PREPARATION OF ALUMINATES Non-Final OA ENTEGRIS, INC.
17943559 CHEMICAL ANALOGS OF CARBONIC ANHYDRASE FOR CONCRETE REPAIR Non-Final OA Worcester Polytechnic Institute
17041797 PRODUCTION METHOD FOR LITHIUM SULFAMATE, AND NOVEL LITHIUM SULFAMATE Non-Final OA DAIKIN INDUSTRIES, LTD.
17977146 NEAR INFRARED (NIR) LIGHT CONTROLLED RUTHENIUM CATALYZED OLEFIN METATHESIS Final Rejection The Trustees of Columbia University in the City of New York
17360498 CATALYST MEMBER AND REACTOR Non-Final OA NGK INSULATORS, LTD.
18107842 PREPARATION OF PHTHALATE FREE ZN PP CATALYSTS Non-Final OA BOREALIS AG
18078195 METAL-ZEOLITE COMPOSITIONS PREPARED BY MECHANOCHEMICAL SYNTHESIS, AND METHODS OF USE Non-Final OA UT-Battelle, LLC
18809529 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Non-Final OA UNIVERSAL DISPLAY CORPORATION
18156947 IMPROVED CATALYSTS FOR INTERMOLECULAR CYCLOADDITION Non-Final OA THE TRUSTEES OF PRINCETON UNIVERSITY
18278932 STERICALLY HINDERED N-ALIPHATIC N-HETEROCYCLIC CARBENE CATALYSTS AND METHODS USING SAME Non-Final OA Rutgers, The State University of New Jersey
18044742 PURIFICATION OF BIS (FLUOROSULFONYL) IMIDE SALT Non-Final OA Solvay SA
17044663 TITANIUM DIOXIDE PARTICLES Final Rejection Croda International Plc
18523231 HIGHLY DISPERSED METAL SUPPORTED OXIDE AS NH3-SCR CATALYST AND SYNTHESIS PROCESSES Final Rejection ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYON
18491925 BIOMEDIA COMPOSITIONS FOR PEAT-REPLACEMENT PRODUCTS, AND PROCESSES FOR PRODUCING BIOMEDIA COMPOSITIONS Non-Final OA Carbon Technology Holdings, LLC
18455236 CATALYSTS COMPONENT AND PROCESS FOR THE PRODUCTION OF POLYPROPYLENE HAVING HIGH MELT FLOW RATE WITH HIGH ISOTACTICITY Non-Final OA Formosa Plastics Corporation, U.S.A.
17438612 A PROCESS FOR THE PRODUCTION OF A CATALYST, A CATALYST THEREFROM AND A PROCESS FOR PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS Final Rejection MITSUBISHI CHEMICAL UK LIMITED
18270175 PRODUCTION OF CARBON BLACK Non-Final OA Green Lizard Technologies Ltd.
18296721 METHOD FOR CATALYZING REACTION OF EPOXIDE COMPOUND AND CARBON DIOXIDE WITH CATALYST Non-Final OA SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.
18268227 TOTAL ENERGY EXPENDITURE MEASUREMENTS WITH H2 18O DEPLETED WATER Non-Final OA JR-AQUACONSOL GMBH
17577896 Polyisocyanate Trimerization Catalyst Composition Final Rejection Huntsman International LLC
18253046 Al-P COMPOSITE OXIDE AND EXHAUST GAS PURIFICATION CATALYST USING SAME Non-Final OA UMICORE SHOKUBAI JAPAN CO., LTD.
17868214 BINUCLEAR GOLD(I) COMPOUNDS FOR PHOTOCATALYSIS APPLICATIONS Non-Final OA Laboratory for Synthetic Chemistry and Chemical Biology Limited

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