Prosecution Insights
Last updated: October 04, 2026

Examiner: JOHNSON, CHRISTINA ANN

Tech Center 1700 • Art Units: 1700 1738 1742 1754 1791

This examiner grants 38% of resolved cases

Performance Statistics

38.3%
Allow Rate
-26.7% vs TC avg
119
Total Applications
-9.8%
Interview Lift
1393
Avg Prosecution Days
Based on 115 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
19.9%
§102 Novelty
55.8%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18701056 PARTICULATE FILTER Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18572045 Methods of Making Metal Organic Frameworks with Low-Connectivity and Increased Thermal Stability Non-Final OA ExxonMobil Technology and Engineering Company
18690914 EXHAUST GAS PURIFICATION CATALYST, AND EXHAUST GAS PURIFICATION CATALYST APPARATUS FOR VEHICLES, USING SAME Non-Final OA NISSAN MOTOR CO., LTD.
18018214 HYDROCARBON ADSORPTION MATERIAL, EXHAUST GAS CLEANING CATALYST, AND EXHAUST GAS CLEANING SYSTEM Final Rejection Mitsui Mining & Smelting Co., Ltd.
18078195 METAL-ZEOLITE COMPOSITIONS PREPARED BY MECHANOCHEMICAL SYNTHESIS, AND METHODS OF USE Final Rejection UT-Battelle, LLC
18579568 Processes for Regenerating Catalysts and for Upgrading Alkanes and/or Alkyl Aromatic Hydrocarbons Non-Final OA ExxonMobil Chemical Patents Inc.
18422533 COPPER-ZINC ALLOY CATALYST, AND PREPARATION METHOD AND USE THEREOF Non-Final OA Taiyuan University of Technology
18428765 ACID WASHING Non-Final OA CALGON CARBON CORPORATION
18526495 Photocatalyst Material and Nanometric Coating Obtained Thereof Non-Final OA Universitat de València

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