Prosecution Insights
Last updated: April 19, 2026

Examiner: DAVIS, SHENG HAN

Tech Center 1700 • Art Units: 1726 1732 1793

This examiner grants 66% of resolved cases

Performance Statistics

65.9%
Allow Rate
+0.9% vs TC avg
1131
Total Applications
+35.9%
Interview Lift
1204
Avg Prosecution Days
Based on 1064 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
6.9%
§102 Novelty
62.6%
§103 Obviousness
20.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18234017 METHOD FOR PRODUCING LIQUEFIED CARBON DIOXIDE FROM LIQUEFIED NATURAL GAS Non-Final OA Chevron U.S.A. Inc.
18072177 SOLAR-BASED REACTOR TUBES AND RELATED SYSTEMS AND METHODS Final Rejection Saudi Arabian Oil Company
17958950 Plasma Treatment in Sulfur Recovery Final Rejection Saudi Arabian Oil Company
17599030 ELECTROCHEMICAL CONVERSION Non-Final OA California Institute of Technology
18102238 HYDROCARBON ADSORBENT Non-Final OA Korea University Research and Business Foundation
18245848 SINTERED CATHODE ACTIVE MATERIAL BRICKS AND METHODS THEREOF Non-Final OA TESLA, INC.
17795616 DENITRATION CATALYST STRUCTURE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
17310793 METHOD AND APPARATUS FOR PRODUCING TERNARY CATHODE MATERIAL Final Rejection Linde GmbH
18228889 METHOD FOR PRODUCING SODIUM BOROHYDRIDE Non-Final OA NIPPON LIGHT METAL COMPANY, LTD.
18019969 CHA-TYPE ZEOLITE AND METHOD FOR PRODUCING THE SAME Non-Final OA TOSOH CORPORATION
17928168 CHEMICALLY CONVERTED CATALYSTS Non-Final OA Dow Global Technologies LLC
18113285 Nano-thin BixOySez low-temperature oxygen transporter membrane for oxygen transport, separation, and two-dimensional (2D) material manipulation Final Rejection The Government of the United States of America, as represented by the Secretary of the Navy
17914874 A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS Non-Final OA Topsoe A/S
18243215 SELECTIVE CARBON BINDING ON CARBON QUANTUM DOTS Non-Final OA University of Tennessee Research Foundation
18789072 PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES Final Rejection RHODIA OPERATIONS
17661849 REUSABLE STRUCTURES CONTAINING ISOTOPES FOR SIMULATING RADIOACTIVE CONTAMINATION ENVIRONMENTS, AND METHODS OF FORMATION Non-Final OA Battelle Energy Alliance, LLC
17770148 CONTROL OF AN AMMONIA SYNTHESIS LOOP AT PARTIAL LOAD Final Rejection CASALE SA
18282319 SILICON DIOXIDE POWDER Non-Final OA DENKA COMPANY LIMITED
18279373 ZINC-CONTAINING HYDROTALCITE Non-Final OA SETOLAS Holdings, Inc.
18023988 SURFACE-TREATED HYDROTALCITE, SUSPENSION OF SAME, AND FUNCTIONAL MOLECULE DELIVERY SYSTEM USING SAME Final Rejection SETOLAS Holdings, Inc.
18446182 MODIFIED SULFURIC ACID AND USES THEREOF Non-Final OA SixRing Inc.
17912151 EXHAUST GAS PURIFICATION CATALYST DEVICE Non-Final OA CATALER CORPORATION
18515107 POLYSILOCARB BASED SILICON CARBIDE MATERIALS, APPLICATIONS AND DEVICES Non-Final OA Pallidus, Inc.
18503604 PROCESS FOR PREPARING A ZEOLITIC MATERIAL HAVING FRAMEWORK TYPE AEI Final Rejection BASF Mobile Emissions Catalysts LLC
18030267 INDUCTIVELY HEATED NOX ADSORBER Non-Final OA BASF Mobile Emissions Catalysts LLC
18010222 Zeolite-Containing SCR Catalyst Non-Final OA BASF MOBILE EMISSIONS CATALYSTS LLC
18000301 METHOD OF PREPARING A COPPER-PROMOTED ZEOLITE Final Rejection BASF MOBILE EMISSIONS CATALYSTS LLC
17907557 MULTI-FUNCTIONAL CATALYSTS FOR THE OXIDATION OF NO, THE OXIDATION OF NH3 AND THE SELECTIVE CATALYTIC REDUCTION OF NOX Non-Final OA BASF MOBILE EMISSIONS CATALYSTS LLC
17608184 SELECTIVE CATALYTIC REDUCTION CATALYST COMPRISING COPPER CARBONATE Non-Final OA BASF MOBILE EMISSIONS CATALYSTS LLC
18344207 NICKEL-CONTAINING HYDROXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL USING NICKEL-CONTAINING HYDROXIDE AS PRECURSOR, AND METHOD PRODUCING NICKEL-CONTAINING HYDROXIDE Non-Final OA TANAKA CHEMICAL CORPORATION

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