Prosecution Insights
Last updated: April 19, 2026

Examiner: PIRO, NICHOLAS ANTHONY

Tech Center 1700 • Art Units: 1738 1788

This examiner grants 42% of resolved cases

Performance Statistics

42.1%
Allow Rate
-22.9% vs TC avg
87
Total Applications
+10.0%
Interview Lift
1235
Avg Prosecution Days
Based on 19 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.0%
§102 Novelty
43.4%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17993291 RECOVERY METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18305599 METHOD FOR PREPARING HYDROPHOBIC COPPER NANOCLUSTERS-CONTAINING COLLOIDAL SOLUTION AND USE OF HYDROPHOBIC COPPER NANOCLUSTERS-CONTAINING COLLOIDAL SOLUTION IN DETECTING Fe3+ Non-Final OA Shandong University
18002871 COMPOSITE CATALYST PHYSICALLY MIXED WITH NICKEL OXIDE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18268451 METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST Non-Final OA MITSUBISHI MATERIALS CORPORATION
18204607 TITANIUM DIOXIDE NANOMATERIALS AND METHOD OF MAKING THE SAME Non-Final OA Qatar University
18137793 Perovskite Oxygen Carriers and Methods for Making and Using Perovskite Oxygen Carriers Non-Final OA United States Department of Energy
18274915 CARBON BLACK, INK, COATING COMPOSITION, COLORING AGENT FOR PLASTICS, COLORED MOLDED ARTICLE, COLORING AGENT FOR STATIONERY AND WRITING INSTRUMENTS, TEXTILE PRINTING AGENT, TONER, DISPERSION OR RESIST FOR COLOR FILTERS, AND COSMETIC COMPOSITION Non-Final OA DIC Corporation
18039474 METHOD AND SYSTEM FOR FABRICATING TWO-DIMENSIONAL MATERIAL BY USING GAS-PHASE METHOD Non-Final OA BEIHANG UNIVERSITY
18716530 TREATMENT METHOD FOR ALLOY Final Rejection SUMITOMO METAL MINING CO., LTD.
18691381 METHOD FOR PRODUCING LITHIUM HYDROXIDE Non-Final OA SUMITOMO METAL MINING CO., LTD.
18579520 METHOD FOR PROCESSING ALLOY Non-Final OA SUMITOMO METAL MINING CO., LTD.
18267054 METHOD FOR PRODUCING LITHIUM HYDROXIDE Non-Final OA SUMITOMO METAL MINING CO., LTD.
18580637 NANO-SHEET FERRIC PHOSPHATE, PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18235364 RADIALLY STRUCTURED NICKEL-BASED PRECURSOR AND PREPARATION METHOD THEREOF Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18213839 RECYCLING METHOD FOR MIXED WASTE MATERIAL OF LITHIUM NICKEL MANGANESE COBALT OXIDE AND LITHIUM IRON PHOSPHATE Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
17999287 Process for Production of Thermoplastic Vulcanizates using Supported Catalyst Systems and Compositions Made Therefrom Final Rejection ExxonMobil Chemical Patents Inc
18197910 METHOD AND SYSTEM FOR RECOVERY OF ELECTRODE METALS FROM SPENT LITHIUM ION BATTERIES Non-Final OA AGR LITHIUM INC.
17996703 VITRIFICATION MATERIALS TO PARTIAL OXIDATION GASIFIER Final Rejection Eastman Chemical Company
17920631 SPHERICAL SILICA POWDER Non-Final OA DENKA COMPANY LIMITED
17950947 METHOD FOR PRODUCING ANODE GRADE COKE FROM CRUDE OILS Non-Final OA INDIAN OIL CORPORATION LIMITED
18033080 EFFICIENT PURIFICATION METHOD FOR NANODIAMONDS Final Rejection VERSITECH LIMITED
17742116 THORIUM PEROXIDE-BASED GENERATORS FOR AC-225 GENERATION Final Rejection TerraPower, LLc
18473263 METHOD FOR RECYCLING ALL TYPES OF LITHIUM BATTERIES Non-Final OA Cleanaway Company Limited
18004684 ALKALINE HYDROLYSIS OF WASTE CELLULOSE Final Rejection NOVAMONT S.P.A.
18201016 BULK CRYSTALLINE 4H-SILICON THROUGH A METASTABLE ALLOTROPIC TRANSITION Non-Final OA Carnegie Institution of Washington
17739918 PROCESS FOR ISOTHERMAL DIAMOND ANNEALING FOR STRESS RELAXATION AND OPTICAL ENHANCEMENT BY RADIATIVE HEATING Non-Final OA Advanced Diamond Holdings, LLC
18208337 Method and System for Processing a Fluid Non-Final OA Blanco Futures, LLC
17706584 SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE Non-Final OA West Virginia University
17627484 SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE Final Rejection West Virginia University
18306272 COMPOSITION FOR GENERATING OXYGEN, OXYGEN GENERATOR, AND METHOD OF GENERATING OXYGEN Non-Final OA Diehl Aviation Gilching GmbH

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