Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, CAM N

Tech Center 1700 • Art Units: 1736 1793

This examiner grants 85% of resolved cases

Performance Statistics

84.8%
Allow Rate
+19.8% vs TC avg
1,304
Total Applications
+12.1%
Interview Lift
906
Avg Prosecution Days
Based on 1267 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
26.7%
§102 Novelty
52.6%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18268519 PRODUCTION METHOD FOR TUNGSTEN OXIDE COMPOSITION Non-Final OA NIPPON SHOKUBAI CO., LTD.
18636290 CONTINUOUS REACTION SYSTEM, FERROMANGANESE PHOSPHATE PRECURSOR, LITHIUM IRON MANGANESE PHOSPHATE, PREPARATION METHOD, AND SECONDARY BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18266678 NIKEL IRON-BASED CATALYST DOPED WITH METAL HAVING ELECTRONEGATIVITY LOWER THAN THAT OF NI AND FE, MANUFACTURING METHOD THEREOF, AND ALKALINE WATER ELECTROLYSIS SYSTEM Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18259785 HYDROGENATION CATALYST WITH IMPROVED SULFUR RESISTANCE AND METHOD FOR PRODUCING SAME Non-Final OA Hanwha Solutions Corporation
18268992 COMPLEX OXIDE AND METHOD OF PRODUCING THE SAME Non-Final OA MITSUI MINING & SMELTING CO., LTD.
18278667 Hexagonal Boron Nitride Aggregated Particles, Hexagonal Boron Nitride Powder, Resin Composition, and Resin Sheet Non-Final OA Tokuyama Corporation
18346388 GERMANIUM EXTRACTION FROM ELECTRONIC WASTE Non-Final OA Arizona Board of Regents on Behalf of the University of Arizona
18235985 Graphene Oxide Recycling Process Non-Final OA Government of the United States, as represented by the Secretary of the Air Force
18280479 METHOD FOR PREPARING NANOMATERIAL MACROSCOPIC COMPOSITESTHROUGH SUBSTRATE HEATING AND SOLVENT EVAPORATION Non-Final OA ZHEJIANG UNIVERSITY
18355016 EXHAUST GAS-PURIFYING CATALYST Non-Final OA CATALER CORPORATION
18324791 MIXED METAL OXIDE INCLUDING MAGNESIUM AND ZINC Non-Final OA IMEC VZW
18282347 SILICA POWDER AND PRODUCTION METHOD THEREFOR Non-Final OA DENKA COMPANY LIMITED
18200001 HIGH TEMPERATURE METHANOL STEAM REFORMING CATALYST Non-Final OA CLARIANT INTERNATIONAL LTD
18466188 PRODUCTION METHOD FOR AN SIC VOLUME MONOCRYSTAL OF INHOMOGENEOUS SCREW DISLOCATION DISTRIBUTION AND SIC SUBSTRATE Non-Final OA SiCrystal GmbH
18199494 LITHIUM EXTRACTION WITH COATED ION EXCHANGE PARTICLES Final Rejection Lilac Solutions, Inc.
18256398 CATALYTICALLY ACTIVE PARTICLE FILTER HAVING A HIGH DEGREE OF FILTERING EFFICIENCY Non-Final OA UMICORE AG & CO. KG
18277852 METHOD FOR PRODUCING LOW-ARSENIC COPPER CONCENTRATE Non-Final OA NITTETSU MINING CO., LTD.
18225373 METHOD OF MANUFACTURING INORGANIC ION EXCHANGER FOR SELECTIVE EXTRACTION OF LITHIUM FROM LITHIUM-CONTAINING NATURAL AND TECHNOLOGICAL BRINES Non-Final OA XTRALIT, LTD
18218117 COBALTOSIC OXIDE-LOADED TITANIUM DIOXIDE HETEROJUNCTION NANOZYME AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Non-Final OA Shanghai Sixth People's Hospital
18270791 METHOD FOR THE PRODUCTION OF LITHIUM HYDROXIDE (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICI), WITHOUT THE NEED FOR AN INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR SIMILAR Non-Final OA SOCIEDAD QUIMICA Y MINERA DE CHILE S.A.
18269032 ZIRCONIA GRANULE, GREEN COMPACT, AND METHODS OF PRODUCTION THEREOF Non-Final OA Kuraray Noritake Dental Inc.
18266268 Method and Device for Producing a SiC Solid Material Non-Final OA Zadient Technologies SAS
18255495 METHOD FOR PRODUCING HIGH PURITY AND HIGH SPECIFIC ACTIVITY RADIONUCLIDES Non-Final OA ORGANISATION EUROPEENNE POUR LA RECHERCHE NUCLEAIRE
17911037 COMPOSITIONS CONTAINING ZIRCONIUM AND CERIUM AND METHODS FOR PREPARING SAME USING OXALIC ACID AND SUPERCRITICAL DRYING Non-Final OA Neo Performance Materials (Singapore) Pte. Ltd.
18150093 HIGH ENERGY RECOVERY PROCESS FOR THE PRODUCTION OF NITRIC ACID Non-Final OA Atlas Agro Holding AG
17802797 Method and device for producing a product containing amorphous silica and amorphous carbon Non-Final OA Innorom IV Holding Innovation and Ventures LTD.

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