Prosecution Insights
Last updated: May 29, 2026

Examiner: KOPEC, MARK T

Tech Center 1700 • Art Units: 1731 1761 1762 1796

This examiner grants 84% of resolved cases

Performance Statistics

84.5%
Allow Rate
+19.5% vs TC avg
1,105
Total Applications
+12.7%
Interview Lift
848
Avg Prosecution Days
Based on 1088 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.1%
§102 Novelty
72.2%
§103 Obviousness
5.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18234314 Surface Modification of Silicon Particles for Electrochemical Storage Non-Final OA Enevate Corporation
18336182 INK COMPOSITION, LAYER USING THE SAME, AND ELECTROPHORESIS APPARATUS, AND DISPLAY DEVICE COMPRISING THE SAME Non-Final OA Samsung Display Co., LTD.
18420371 METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL Non-Final OA Toyota Jidosha Kabushiki Kaisha
18686985 COMPOUND, COMPOSITION, ELECTROCONDUCTIVE AID, ELECTRODE, AND LAMINATE Non-Final OA THE UNIVERSITY OF TOKYO
18275866 REDUCING AGENT COMPOSITION FOR IRON OXIDE AND/OR IRON HYDROXIDE Non-Final OA KAO CORPORATION
18258970 MODIFIED SILICON-CARBON NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF Non-Final OA HENGDIAN GROUP DMEGC MAGNETICS CO., LTD
18139947 DOPED NICKEL-RICH TERNARY MATERIAL AND PREPARATION METHOD THEREOF Non-Final OA HUNAN BRUNP EV RECYCLING CO., LTD.
18688643 POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA POSCO CHEMICAL CO., LTD
18452208 METHOD FOR QUALITY EXAMINATION OF CATHODE MATERIALS FOR LITHIUM-ION BATTERIES Non-Final OA Advanced Lithium Electrochemistry Co., Ltd.
18301081 METHODS AND SYSTEMS FOR CATHODE WITH HIGH STRUCTURAL LITHIUM CONTENT Non-Final OA A123 Systems LLC

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