Prosecution Insights
Last updated: May 29, 2026

Examiner: DAVIS, SHENG HAN

Tech Center 2800 • Art Units: 1726 1732 1793 2881

This examiner grants 66% of resolved cases

Performance Statistics

65.9%
Allow Rate
-2.1% vs TC avg
1,140
Total Applications
+35.2%
Interview Lift
1162
Avg Prosecution Days
Based on 1070 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
0.9%
§102 Novelty
95.2%
§103 Obviousness
2.6%
§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.
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.
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
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 Final Rejection Battelle Energy Alliance, LLC
18446182 MODIFIED SULFURIC ACID AND USES THEREOF Non-Final OA SixRing Inc.
17912151 EXHAUST GAS PURIFICATION CATALYST DEVICE Non-Final OA CATALER CORPORATION
17801349 EXHAUST GAS PURIFICATION CATALYST DEVICE Non-Final OA CATALER CORPORATION
17914874 A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS Non-Final OA Topsoe A/S
18284796 SPHERICAL INORGANIC POWDER AND LIQUID ENCAPSULATION MATERIAL Non-Final OA DENKA COMPANY LIMITED
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.
17770148 CONTROL OF AN AMMONIA SYNTHESIS LOOP AT PARTIAL LOAD Final Rejection CASALE SA
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 Non-Final OA BASF Mobile Emissions Catalysts LLC
18010222 Zeolite-Containing SCR Catalyst Non-Final OA 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
18299084 MOLYBDENUM TRIOXIDE WITH NOVEL MOLECULAR STRUCTURE AND CHIRAL OCTAHEDRAL CRYSTAL PHASE STRUCTURE, OCTAMOLYBDATE OF MOLYBDENUM TRIOXIDE AND PREPARATION METHOD OF OCTAMOLYBDATE Non-Final OA HUBEI ZHONG'AO NANOTECH CO., LTD
16487447 EXHAUST GAS TREATMENT CATALYST FOR ABATEMENT OF NITROGEN OXIDES Final Rejection N. E. CHEMCAT CORPORATION
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
18332803 SURFACE-TREATED ZIRCONIA NANOPOWDER, AND ZIRCONIA DISPERSION AND USE THEREOF Non-Final OA SHANDONG SINOCERA FUNCTIONAL MATERIAL CO., LTD.
18164736 VANADIUM-FREE TITANIA-BASED SCR CATALYST ARTICLE Non-Final OA Johnson Matthey Catalysts (Germany) GmbH
18048509 METHOD AND CATALYST ARTICLE Non-Final OA Johnson Matthey Catalysts (Germany) GmbH
18026159 A SOLVENT SOLUTION AND PROCESS Final Rejection KC8 CAPTURE TECHNOLOGIES LTD
18120120 METHODS FOR PRODUCING AND USING ALKALINE AQUEOUS FERRIC IRON CARBONATE SOLUTIONS Non-Final OA New Sky Energy, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month