Prosecution Insights
Last updated: April 19, 2026

Examiner: SIMKINS, SLONE ELIZABETH

Tech Center 1700 • Art Units: 1735

This examiner grants 74% of resolved cases

Performance Statistics

73.7%
Allow Rate
+8.7% vs TC avg
60
Total Applications
+29.4%
Interview Lift
1193
Avg Prosecution Days
Based on 19 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
15.5%
§102 Novelty
45.5%
§103 Obviousness
35.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18453728 METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL LEACHING METHOD Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18036973 METHOD FOR PRODUCING BORON NITRIDE NANOTUBES Final Rejection PROTERIAL, LTD.
18249083 METHOD FOR PREPARING METAL CATALYST DEPOSITED WITH LAYER FILM BY ALD PROCESS AND METAL CATALYST THEREOF Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18300285 OIL-SORBENT Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18075992 GALLIUM-DOPED ZINC OXIDE PARTICLES, FILM CONTAINING GALLIUM-DOPED ZINC OXIDE PARTICLES, TRANSPARENT CONDUCTIVE FILM, ELECTRONIC DEVICE, AND METHOD FOR PRODUCING GALLIUM-DOPED ZINC OXIDE PARTICLES Final Rejection NIKON CORPORATION
18331395 NANO-AMENDED CEMENTITIOUS MATERIALS FOR WASTE STABILIZATION Non-Final OA Battelle Savannah River Alliance, LLC
18316348 ADSORBENT Final Rejection AGC SI-TECH CO., LTD.
17637233 MXENES FOR SELECTIVE ADSORPTION OF DESIRED CHEMICAL ANALYTES AND METHOD THEREOF Non-Final OA Drexel University
18278724 METHOD FOR ISOLATING AN AQUEOUS HYDROCHLORIC ACID SOLUTION OF FECL3 FROM AN AQUEOUS MULTI-COMPONENT SYSTEM Non-Final OA Bayer Aktiengesellschaft
18151228 MAGNESIUM REMOVAL PROCESS Non-Final OA Lithium Nevada LLC
18177414 METHODS OF PRODUCING URANIUM CHLORIDE AND COMPOSITIONS COMPRISING URANIUM CHLORIDE Non-Final OA Battelle Energy Alliance, LLC
18137768 Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers Final Rejection United States Department of Energy
18276265 HYDROGEN GENERATION CATALYST, AND CATALYST INK Non-Final OA DIC Corporation
17530734 BIOMASS PYROLYSIS INTEGRATED WITH BIO-REDUCTION OF METAL ORES, HYDROGEN PRODUCTION, AND/OR ACTIVATED-CARBON PRODUCTION Final Rejection Carbon Technology Holdings, LLC
18550012 METHOD FOR THE TREATMENT OF RESIDUES FROM THE ZINC AND LEAD PRODUCTION INDUSTRY, WITH OBTAINMENT OF EXPLOITABLE PRODUCTS AND SECONDARY RAW MATERIALS, ACCORDING TO THE STRATEGIES OF THE CIRCULAR ECONOMY Non-Final OA ECOTEC GESTIONE IMPIANTI S.R.L
18037669 PRODUCTION OF ALKALI METAL CARBONATES AND/OR BICARBONATES FROM ALKALI METAL SULPHATES Final Rejection University of Limpopo
18036648 CATALYTIC ACTIVITY RECOVERY METHOD OF MANGANESE OXIDE CATALYST Non-Final OA PURESPACE INC.
18252258 SYSTEM AND METHOD FOR TREATING FLUID CONTAINING RADIOLOGICAL MATERIAL Non-Final OA ATKINS ENERGY PRODUCTS & TECHNOLOGY, LLC
18137883 HELIUM RECOVERY PROCESS Non-Final OA AIR LIQUIDE ELECTRONICS GmbH
18249627 A METHOD FOR THE PRODUCTION OF AMMONIA Non-Final OA TYKHE TECH PTE. LTD.
18176549 NITROGEN DOPED CARBON-BASED NANOMATERIAL AND METHODS OF FORMING THE SAME Non-Final OA NABORS ENERGY TRANSITION SOLUTIONS LLC
17910773 RECOVERY OF HIGH-VALUE COMPONENTS FROM BIOMASS Non-Final OA LUONNONVARAKESKUS
17892263 Method and Apparatus for Producing Carbon Monoxide Final Rejection Masaru Nakahara
17793118 PFAS PROCESSING Non-Final OA AMT Remediation Pty Ltd

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