Prosecution Insights
Last updated: August 30, 2026

Examiner: KETCHAM, HANNAH ELIZABETH

Tech Center 4100 • Art Units: 1692 4100

This examiner grants 0% of resolved cases

Performance Statistics

Allow Rate
-60.0% vs TC avg
4
Total Applications
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
25.0%
§102 Novelty
54.2%
§103 Obviousness
20.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18393154 BASE METAL ISOMERIZATION CATALYSTS Non-Final OA EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
18535615 PHOTOCATALYST COATING LIQUID AND PHOTOCATALYST COATING LAYER Non-Final OA SHARP KABUSHIKI KAISHA
18682704 LOW-TEMPERATURE NITROGEN OXIDE ADSORBER BASED ON METAL OXIDE-SUPPORTED PLATINUM/GAMMA-ALUMINA CATALYST AND METHOD FOR PREPARING SAME Non-Final OA KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
18692551 EXHAUST GAS PURIFICATION CATALYST DEVICE Non-Final OA CATALER CORPORATION
18682030 OLEFIN POLYMERISATION CATALYST AND PROCESS FOR MANUFACTURING THEREOF Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18272507 ZEOLITE CATALYST, PROCESS FOR PREPARATION AND APPLICATION THEREOF Non-Final OA Council of Scientific & Industrial Research
18681871 MAGNETIC ALUMINUM-BASED ADSORBENT AND PREPARATION METHOD THEREFOR Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18267475 METHOD AND CHEMICAL FORMULATION FOR TREATING CONTAMINATED MEDICAL WASTE Non-Final OA CENTRO DE RETINA MÉDICA Y QUIRÚRGICA, S.C.

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