Prosecution Insights
Last updated: April 19, 2026

Examiner: BAUM, ZACHARY JOHN

Tech Center 1700 • Art Units: 1736

This examiner grants 79% of resolved cases

Performance Statistics

78.9%
Allow Rate
+13.9% vs TC avg
135
Total Applications
+14.0%
Interview Lift
1021
Avg Prosecution Days
Based on 109 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.0%
§102 Novelty
41.4%
§103 Obviousness
28.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18251338 METHOD FOR PRODUCING LITHIUM HYDROXIDE Non-Final OA IDEMITSU KOSAN CO.,LTD.
18334678 SYNTHESIS OF NANO-SIZED ZEOLITES Non-Final OA University of Houston System
18372517 PROCESS AND PLANT FOR PRODUCING HYDROGEN-RICH SYNTHESIS GAS STREAM FROM A CARBON-CONTAINING INPUT GAS STREAM Non-Final OA L'Air Liquide, Société Anonyme Pour I'Etude et I'Exploitation des Procédés Georges Claude
18354660 CATALYTIC FILTER FOR GASOLINE ENGINE EXHAUST TREATMENT Non-Final OA JOHNSON MATTHEY PUBLIC LIMITED COMPANY
18256335 HYDROCARBON UPGRADING TO METHANOL AND HYDROGEN PRODUCT STREAMS Non-Final OA TOPSOE A/S
17909042 METHOD FOR PRODUCING LITHIUM HYDROXIDE Final Rejection DONGWOO FINE-CHEM CO., LTD.
18762885 RECOVERY OF BROMINE FROM WASTE BROMIDE BRINES Non-Final OA REACTION 35, LLC
18211589 METHOD FOR RECOVERING AND PURIFYING NICKEL FROM FERRONICKEL Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18249244 BIO-LEACHING COMPOSITIONS AND METHODS FOR MINING METALS Non-Final OA LOCUS SOLUTIONS IPCO, LLC
17605160 SURFACE-TREATED MAGNESIUM OR CALCIUM ION-CONTAINING MATERIALS AS WHITE PIGMENTS IN ORAL CARE COMPOSITIONS Non-Final OA OMYA INTERNATIONAL AG
18258672 CHROMATOGRAPHIC MATERIAL AND METHOD OF PRODUCING SAME Non-Final OA Sartorius Stedim Biotech GmbH
18256389 CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY Non-Final OA UMICORE AG & CO. KG
18038813 INTEGRATION OF CARBON SEQUESTRATION WITH SELECTIVE HYDROMETALLURGICAL RECOVERY OF METAL VALUES Non-Final OA NEGATIVE EMISSIONS MATERIALS, INC.
18110552 SINGLE PHASE ORGANIC-INORGANIC SOL-GEL Non-Final OA Clemson University Research Foundation
18299770 Calcination Process Non-Final OA Origen Power Ltd
18011727 SOLVENT EXTRACTION METHOD FOR SEPARATION AND RECOVERY OF NICKEL, COBALT, AND MANGANESE Non-Final OA ECOPRO MATERIALS, CO., LTD.

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