Prosecution Insights
Last updated: May 29, 2026

Examiner: QIAN, YUN

Tech Center 1700 • Art Units: 1732 1738 1793

This examiner grants 54% of resolved cases

Performance Statistics

54.5%
Allow Rate
-10.5% vs TC avg
1,145
Total Applications
+20.8%
Interview Lift
1248
Avg Prosecution Days
Based on 1091 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
12.6%
§102 Novelty
74.0%
§103 Obviousness
11.8%
§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
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.
17929327 METHOD FOR PRODUCING HALIDE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19209840 SMART CATALYST SUPPORT WITH IN-SITU TEMPERATURE FIELD MONITORING AND DYNAMIC REGULATION Non-Final OA XIAMEN UNIVERSITY
17424875 RECYCLING OF LEAD-CONTAINING WASTE Final Rejection Cambridge Enterprise Limited
17977146 NEAR INFRARED (NIR) LIGHT CONTROLLED RUTHENIUM CATALYZED OLEFIN METATHESIS Non-Final OA 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
18144785 PROCESS FOR REGENERATING CATALYST FROM A FLUIDIZED CATALYTIC PROCESS Non-Final OA UOP LLC
18809529 ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES Non-Final OA UNIVERSAL DISPLAY CORPORATION
18278932 STERICALLY HINDERED N-ALIPHATIC N-HETEROCYCLIC CARBENE CATALYSTS AND METHODS USING SAME Non-Final OA Rutgers, The State University of New Jersey
18250438 METALLOCENE POLYPROPYLENE PREPARED USING AROMATIC SOLVENT-FREE SUPPORTS Final Rejection EXXONMOBIL CHEMICAL PATENTS INC.
18044742 PURIFICATION OF BIS (FLUOROSULFONYL) IMIDE SALT Non-Final OA Solvay SA
18523231 HIGHLY DISPERSED METAL SUPPORTED OXIDE AS NH3-SCR CATALYST AND SYNTHESIS PROCESSES Final Rejection ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYON
17577896 Polyisocyanate Trimerization Catalyst Composition Final Rejection Huntsman International 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.
18268227 TOTAL ENERGY EXPENDITURE MEASUREMENTS WITH H2 18O DEPLETED WATER Non-Final OA JR-AQUACONSOL GMBH
18312665 NANOPORCUPINE, METHOD OF MANUFACTURE AND USE THEREOF Non-Final OA INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18130964 ACID-BASE MEDIATED ION-EXCHANGE METAL LOADED ZEOLITE Final Rejection The Shepherd Chemical Company
18078373 ELECTRODE REGENERATION IN ELECTROCHEMICAL DEVICES Final Rejection PowerTech Water, Inc.
17910214 METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY Final Rejection DOWA ECO-SYSTEM CO., LTD.
14747327 ACTIVATED CARBON HAVING CATALYTIC ACTIVITY Non-Final OA Blucher Gmbh

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