Prosecution Insights
Last updated: April 19, 2026

Examiner: GREGORIO, GUINEVER S

Tech Center 1700 • Art Units: 1732 1793

This examiner grants 73% of resolved cases

Performance Statistics

72.7%
Allow Rate
+7.7% vs TC avg
853
Total Applications
+18.5%
Interview Lift
1225
Avg Prosecution Days
Based on 825 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
9.7%
§102 Novelty
57.7%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18464235 SILICON-CONTAINING ALUMINUM NITRIDE PARTICLES, METHOD FOR PRODUCING SAME, AND LIGHT EMITTING DEVICE Non-Final OA NICHIA CORPORATION
18313234 METAMATERIAL STRUCTURE AND FORMING METHOD THEREOF Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18225751 FUNCTIONAL MATERIAL, AN APPARATUS FOR PURIFICATION OF A FLUID, AN APPARATUS FOR A CONTAINING A LIQUID, A PULVERIZED PRODUCT AND METHOD OF MANUFACTURING SAME Non-Final OA Sony Corporation
18228784 METHOD FOR PRODUCING SODIUM BOROHYDRIDE Non-Final OA NIPPON LIGHT METAL COMPANY, LTD.
18549348 METHOD FOR RECOVERING LITHIUM PRECURSOR FROM LITHIUM SECONDARY BATTERY Non-Final OA SK INNOVATION CO., LTD.
18258329 PLASMA TREATMENT METHOD, METHOD OF PRODUCING PLASMA-TREATED HEXAGONAL BORON NITRIDE POWDER, AND PLASMA TREATMENT DEVICE Non-Final OA JFE STEEL CORPORATION
17604668 ADSORBENT MATERIAL FOR REDUCING HYDROCARBON BLEED EMISSION IN AN EVAPORATIVE EMISSION CONTROL SYSTEM Non-Final OA BASF CORPORATION
18252728 METHOD OF PRODUCING SINGLE CRYSTALLINE BORON NITRIDE NANOSHEETS AND BORON CARBON NITRIDE NANOSHEETS Non-Final OA THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIVERSITY
18014555 NANOCELLULOSE AND DISPERSIONS THEREOF Non-Final OA TOAGOSEI CO., LTD.,
18511675 METHOD FOR PREPARING SULFURYL FLUORIDE BY USING SULFURYL CHLORIDE FLUORINATION Non-Final OA CATL-SICONG NOVEL MATERIALS CO., LTD
17302597 FLUORESCENT DIAMOND PARTICLES AND METHODS OF FABRICATING THE SAME Non-Final OA ELEMENT SIX (UK) LIMITED
18546664 USE OF SILICA NANOPARTICLES WITH TRIAZINE FOR H2S SCAVENGING Non-Final OA NISSAN CHEMICAL AMERICA CORPORATION
18264087 Method and Application for Capturing and Converting Carbon Dioxide in Industrial Flue Gas Non-Final OA LINGHANGGUOCHUANG (BEIJING) TECHNOLOGY GROUP CO., LTD
18270003 SUBSTRATE FOR DIFFUSING VOLATILE SUBSTANCES Non-Final OA Zobele Holding SPA
18204518 METHOD FOR RECOVERY OF METAL OXIDES/CARBONATES FROM ASSORTED WASTE LI-ION BATTERIES Non-Final OA THE DIRECTOR GENERAL, CENTRE FOR MATERIALS FOR ELECTRONICS TECHNOLOGY (C-MET)
18309111 SiC EPITAXIAL WAFER AND METHOD FOR MANUFACTURING SAME Non-Final OA SHOWA DENKO K.K.
18098561 SYSTEM AND METHOD FOR GENERATING SYNTHETIC DIAMONDS VIA ATMOSPHERIC CARBON CAPTURE Non-Final OA Impossible Diamond, Inc.
18073492 SURFACE-TREATED BORON NITRIDE NANO TUBE AND SURFACE TREATMENT METHOD OF BORON NITRIDE NANO TUBE Final Rejection Naieel Technology Inc.
16938012 POROUS SHAPED METAL-CARBON PRODUCTS Non-Final OA Archer-Daniels-Midland Company
16925102 POROUS SHAPED CARBON PRODUCTS Final Rejection Archer-Daniels-Midland Company
17512929 Molecularly doped nanodiamond Final Rejection The Government of the United States of America, as represented by the Secretary of the Navy Arlingto
17290701 SYSTEMS AND METHODS FOR LOW PRESSURE DIAMOND GROWTH WITHOUT PLASMA INCLUDING SEEDING GROWTH Final Rejection Max-Planck Institute for Polymer Research

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