Prosecution Insights
Last updated: May 29, 2026

Examiner: ZHANG, KELING NMN

Tech Center 1700 • Art Units: 1732 1767

This examiner grants 66% of resolved cases

Performance Statistics

66.5%
Allow Rate
+1.5% vs TC avg
254
Total Applications
+18.2%
Interview Lift
1195
Avg Prosecution Days
Based on 197 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
5.5%
§102 Novelty
86.2%
§103 Obviousness
6.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18054281 MOVING BED LIGNOCELLULOSIC BIOMASS CONVERSION WITH FLUID BED CATALYST REGENERATION Final Rejection CHEVRON U.S.A. INC.
17978010 Facile Synthesis of Aluminum Salts Using Activated Aluminum Precursor Final Rejection Massachusetts Institute of Technology
18065034 PRODUCTION METHOD FOR GRAPHITE SHEET, AND POLYIMIDE FILM FOR GRAPHITE SHEET Final Rejection KANEKA CORPORATION
17943548 ENZYMATIC CONSTRUCTION MATERIAL Final Rejection Worcester Polytechnic Institute
17512792 METHODS AND REFORMING SYSTEMS FOR RE-DISPERSING PLATINUM ON REFORMING CATALYST Non-Final OA MARATHON PETROLEUM COMPANY LP
18276273 METAL-DOPED MOLYBDENUM SULFIDE POWDER AND PRODUCTION METHOD THEREFOR Non-Final OA DIC Corporation
18026154 ZINC OXIDE PARTICLES, METHOD FOR PRODUCING ZINC OXIDE PARTICLES, AND RESIN COMPOSITION Non-Final OA DIC Corporation
18277455 OXYGEN SCAVENGER POWDER Non-Final OA MITSUBISHI GAS CHEMICAL COMPANY, INC.
18547653 METHOD FOR PRODUCING SECONDARY BATTERY MATERIAL FROM BLACK MASS Non-Final OA KEMCO
18014540 BRIGHT PIGMENT DISPERSION AND METHOD FOR FORMING MULTILAYER COATING FILM Non-Final OA KANSAI PAINT CO., LTD.
18036958 FLUID CATALYTIC CRACKING ADDITIVE COMPOSITION FOR ENHANCED BUTYLENES SELECTIVITY OVER PROPYLENE Non-Final OA BASF CORPORATION
18547926 CARBON FILM Non-Final OA ZEON CORPORATION
17295516 Use of CO2 as Water Demand Reducer in Gypsum Stucco Rehydration Mortars Final Rejection Knauf Gips KG
18547231 METHOD FOR PRODUCING MANGANESE(II) SULFATE MONOHYDRATE FROM BY-PRODUCT OF ZINC REFINING PROCESS Non-Final OA KOREA ZINC CO., LTD.
17440471 SELECTIVE REDUCING CATALYST FOR DIESELS AND DIESEL EXHAUST GAS PURIFICATION APPARATUS Non-Final OA N.E. CHEMCAT CORPORATION
18263661 ACTIVATION OF REDUCED AND PASSIVATED CATALYST Non-Final OA Johnson Matthey Davy Technologies Limited
18029724 DENTAL CERAMIC COLORING SOLUTION Final Rejection Kuraray Noritake Dental Inc.
18253054 CATALYST FOR REGENERATING WORKING SOLUTION FOR SYNTHESIZING HYDROGEN PEROXIDE Non-Final OA HEESUNG CATALYSTS CORPORATION
18266553 METHOD FOR GENERATING HYDROGEN MOLECULES BY MEANS OF ENERGY RADIATION Non-Final OA BEIJING GUANGHE HYDROGEN ENERGY TECHNOLOGY CO., LTD.
18039798 DENTAL PRODUCT FOR FORMING AN ENDODONTIC CEMENT Non-Final OA PRODUITS DENTAIRES PIERRE ROLLAND
18323084 HIGHLY CRYSTALLIN, POROUS, HYDROPHILIC CATALYST FOR FUEL CELL, MANUFACTURING METHOD THEREOF, AND FUEL CELL USING SAME Non-Final OA KORENS RTX Co., Ltd.
18075768 METHODS AND SYSTEMS FOR TREATMENT OF LIME TO FORM VATERITE Final Rejection Arelac, Inc.
17924479 A SYSTEM AND METHOD FOR PRODUCING HYDROGEN ON DEMAND Final Rejection ELEMENT 1 TECHNOLOGIES, LLC
17593958 SPHERICAL MAGNESIUM OXIDE, MANUFACTURING METHOD THEREOF, THERMAL CONDUCTIVE FILLER AND RESIN COMPOSITION Non-Final OA TATEHO CHEMICAL INDUSTRIES CO., LTD.
17125461 Potassium Boron-Containing Compositions and Their Preparation Non-Final OA U.S. Borax Inc.

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