Prosecution Insights
Last updated: May 29, 2026

Examiner: YUEN, JACKY

Tech Center 1700 • Art Units: 1735 1793

This examiner grants 35% of resolved cases

Performance Statistics

34.7%
Allow Rate
-30.3% vs TC avg
633
Total Applications
+51.4%
Interview Lift
1281
Avg Prosecution Days
Based on 590 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
2.3%
§102 Novelty
81.9%
§103 Obviousness
9.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17978424 MODULAR ADDITIVE MANUFACTURING PROCESS Final Rejection MATTHEWS INTERNATIONAL CORPORATION
17989995 ANODE FOR LITHIUM SECONDARY BATTERY, METHOD OF FABRICATING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Final Rejection SK ON CO., LTD.
19116397 MOLD RELEASE AGENT ADHESION STATE EVALUATION METHOD, LUBRICANT ADHESION STATE EVALUATION METHOD, AND MOLD RELEASE AGENT ADHESION STATE EVALUATION SYSTEM Non-Final OA MORESCO CORPORATION
19048900 APPARATUS FOR PROCESSING A LIQUID ALLOY Non-Final OA QINGYOU HAN
19043217 PROCESS FOR EVAPORATIVE CASTING Non-Final OA Skuld LLC
18225642 BORIC ACID DERIVATIVE MODIFIED BINDER AND LITHIUM-ION BATTERY INCLUDING SAME Non-Final OA Zhuhai CosMX Battery Co., Ltd.
17800238 SELF-EXTINGUISHABLE FILM FOR LITHIUM-ION BATTERY, METHOD OF PRODUCING SAME, AND LITHIUM-ION BATTERY Non-Final OA MITSUI CHEMICALS, INC.
18888392 CONTINUOUS CASTING OF MOLTEN METAL WITH VERTICALLY FLEXIBLE EDGE CONTAINMENT Non-Final OA HAZELETT STRIP-CASTING CORPORATION
18829807 FLASK REMOVAL UNIT, MODELING MACHINE, AND FLASK REMOVAL METHOD Non-Final OA SINTOKOGIO, LTD.
18839429 TEMPERATURE CONTROL APPARATUS AND PROCESS FOR HIGH-FLUX CONTINUOUS CASTING AND ROLLING OF ALUMINUM ALLOY PLATE Non-Final OA LUOYANG LONGDING ALUMINUM CO., LTD.
18837615 ADDITIVE CASTING DEPOSITION SYSTEM AND METHOD Non-Final OA Magnus Metal Ltd.
18018588 Method for the prelithiation of a silicon-containing anode in a lithium-ion battery Non-Final OA Wacker Chemie AG
18098646 BATTERY MODULE, BATTERY CLUSTER, FIRE-FIGHTING EQUIPMENT AND ENCLOSED ENERGY STORAGE SYSTEM Final Rejection Sungrow Energy Storage Technology Co., Ltd.
18289580 TUNDISH WITH FILTER MODULE Non-Final OA VESUVIUS USA CORPORATION
18237144 APPARATUS FOR THE ENHANCEMENT OF NON-METALLIC PARTICLE REMOVAL FROM LIQUID METAL FLOWING THROUGH A VESSEL Non-Final OA HarbisonWalker International Holdings, Inc.
18212178 METHOD FOR SAFE RECOVERY OF A WASTE CATHODE PIECE OF A LITHIUM ION BATTERY AND APPLICATION THEREOF Non-Final OA HUNAN BRUNP VEHICLES RECYCLING CO., LTD.
18198325 SOLID-STATE BATTERY, SOLID-STATE BATTERY MANUFACTURING METHOD, AND SOLID-STATE BATTERY MONITORING METHOD Non-Final OA FDK CORPORATION
17928658 Modular series-connected battery pack (BlMoSe) Final Rejection LIMATECH
18082020 LITHIUM SECONDARY BATTERIES Final Rejection PROLOGIUM TECHNOLOGY CO., LTD.
17969687 TERMINAL COMPONENT, SECONDARY BATTERY, AND METHOD FOR PRODUCING TERMINAL COMPONENT Non-Final OA AOYAMA SEISAKUSHO IBARAKI PLANT CO., LTD.
17620691 INGOT MOLD FOR CONTINUOUS CASTING OF METALS, TEMPERATURE MEASUREMENT SYSTEM AND SYSTEM AND METHOD FOR DETECTING BREAKOUT IN A FACILITY FOR CONTINUOUS CASTING OF METALS Final Rejection CSN Carl Schreiber GmbH
17619986 METHOD FOR BALANCING A FLOW OF LIQUID STEEL INTO A CASTING MOLD AND CONTINUOUS CASTING SYSTEM FOR LIQUID STEEL Final Rejection EBDS Engineering S.p.r.l.
17472643 Insert for Hot runner Final Rejection INGLASS S.P.A.

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