Prosecution Insights
Last updated: August 17, 2026

Examiner: ZHANG, KELING NMN

Tech Center 1700 • Art Units: 1732 1767 1794

This examiner grants 66% of resolved cases

Performance Statistics

65.6%
Allow Rate
+0.6% vs TC avg
270
Total Applications
+17.2%
Interview Lift
1199
Avg Prosecution Days
Based on 212 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
15.2%
§102 Novelty
51.7%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18504126 HALIDE PRODUCING METHOD Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18226704 PROCESSES FOR FORMING CARBON-SUPPORTED HOLLOW NANOCATALYSTS Non-Final OA Honda Motor Co., Ltd.
18021765 SUPPORTED CATALYST FOR PRODUCING CARBON NANOTUBES Final Rejection LG CHEM, LTD.
18693911 METHOD TO FABRICATE NOVEL MAGNETIC ORGANIC FRAMEWORK MATERIAL FOR BARIUM COLLECTION FROM PRODUCED WATER Non-Final OA SAUDI ARABIAN OIL COMPANY
18036958 FLUID CATALYTIC CRACKING ADDITIVE COMPOSITION FOR ENHANCED BUTYLENES SELECTIVITY OVER PROPYLENE Final Rejection BASF CORPORATION
18035205 Chrome-Free Copper-Calcium Silicate Catalysis for Fatty Ester Hydrogenolysis/Hydrogenation Final Rejection BASF CORPORATION
18467728 METHOD FOR PREPARING COBALT SULFATE SALT Non-Final OA SK INNOVATION CO., LTD.
18281586 EXHAUST GAS PURIFICATION CATALYST COMPOSITION AND EXHAUST GAS PURIFICATION CATALYST Non-Final OA MITSUI MINING & SMELTING CO., LTD.
17978010 Facile Synthesis of Aluminum Salts Using Activated Aluminum Precursor Non-Final OA Massachusetts Institute of Technology
17943548 ENZYMATIC CONSTRUCTION MATERIAL Final Rejection Worcester Polytechnic Institute

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